JP5965501B2 - 銅chaゼオライト触媒 - Google Patents
銅chaゼオライト触媒 Download PDFInfo
- Publication number
- JP5965501B2 JP5965501B2 JP2015008493A JP2015008493A JP5965501B2 JP 5965501 B2 JP5965501 B2 JP 5965501B2 JP 2015008493 A JP2015008493 A JP 2015008493A JP 2015008493 A JP2015008493 A JP 2015008493A JP 5965501 B2 JP5965501 B2 JP 5965501B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- exhaust gas
- cucha
- copper
- catalyst according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003054 catalyst Substances 0.000 title claims description 262
- 239000010457 zeolite Substances 0.000 title claims description 63
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims description 55
- 229910021536 Zeolite Inorganic materials 0.000 title claims description 53
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 142
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 136
- 239000007789 gas Substances 0.000 claims description 86
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 78
- 239000010949 copper Substances 0.000 claims description 78
- 229910021529 ammonia Inorganic materials 0.000 claims description 71
- 239000000758 substrate Substances 0.000 claims description 67
- 238000006243 chemical reaction Methods 0.000 claims description 59
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 53
- 229910052802 copper Inorganic materials 0.000 claims description 53
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 51
- 239000000377 silicon dioxide Substances 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 31
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 26
- 229910052782 aluminium Inorganic materials 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 19
- 230000003647 oxidation Effects 0.000 claims description 19
- 238000007254 oxidation reaction Methods 0.000 claims description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 17
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 239000004071 soot Substances 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 6
- 239000005751 Copper oxide Substances 0.000 claims description 3
- 229910000431 copper oxide Inorganic materials 0.000 claims description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 40
- 238000000034 method Methods 0.000 description 37
- 239000002002 slurry Substances 0.000 description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 37
- 229910052760 oxygen Inorganic materials 0.000 description 30
- 229930195733 hydrocarbon Natural products 0.000 description 29
- 150000002430 hydrocarbons Chemical class 0.000 description 29
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 27
- 230000032683 aging Effects 0.000 description 24
- 230000000694 effects Effects 0.000 description 22
- 238000005342 ion exchange Methods 0.000 description 21
- 239000000047 product Substances 0.000 description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 16
- 238000000576 coating method Methods 0.000 description 16
- 239000001301 oxygen Substances 0.000 description 16
- 238000011068 loading method Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 15
- 239000000243 solution Substances 0.000 description 15
- 239000008367 deionised water Substances 0.000 description 14
- 229910021641 deionized water Inorganic materials 0.000 description 14
- 238000002156 mixing Methods 0.000 description 14
- 239000002245 particle Substances 0.000 description 14
- 230000003197 catalytic effect Effects 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 239000000843 powder Substances 0.000 description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 11
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 11
- 238000011156 evaluation Methods 0.000 description 11
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 11
- 239000000571 coke Substances 0.000 description 10
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000000919 ceramic Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 9
- 229910052697 platinum Inorganic materials 0.000 description 9
- 239000002243 precursor Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000001035 drying Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 7
- 229910001431 copper ion Inorganic materials 0.000 description 7
- 229910000510 noble metal Inorganic materials 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 238000001354 calcination Methods 0.000 description 6
- UNYSKUBLZGJSLV-UHFFFAOYSA-L calcium;1,3,5,2,4,6$l^{2}-trioxadisilaluminane 2,4-dioxide;dihydroxide;hexahydrate Chemical compound O.O.O.O.O.O.[OH-].[OH-].[Ca+2].O=[Si]1O[Al]O[Si](=O)O1.O=[Si]1O[Al]O[Si](=O)O1 UNYSKUBLZGJSLV-UHFFFAOYSA-L 0.000 description 6
- 229910052676 chabazite Inorganic materials 0.000 description 6
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 238000006722 reduction reaction Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 239000010953 base metal Substances 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 230000001413 cellular effect Effects 0.000 description 5
- 229910000365 copper sulfate Inorganic materials 0.000 description 5
- 239000013618 particulate matter Substances 0.000 description 5
- -1 silicon alkoxide Chemical class 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 4
- 229910052878 cordierite Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000003870 refractory metal Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000003878 thermal aging Methods 0.000 description 3
- DUFCMRCMPHIFTR-UHFFFAOYSA-N 5-(dimethylsulfamoyl)-2-methylfuran-3-carboxylic acid Chemical compound CN(C)S(=O)(=O)C1=CC(C(O)=O)=C(C)O1 DUFCMRCMPHIFTR-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910002530 Cu-Y Inorganic materials 0.000 description 2
- 229910025794 LaB6 Inorganic materials 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000006255 coating slurry Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000001879 copper Chemical class 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 150000002500 ions Chemical group 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 2
- LYTNHSCLZRMKON-UHFFFAOYSA-L oxygen(2-);zirconium(4+);diacetate Chemical compound [O-2].[Zr+4].CC([O-])=O.CC([O-])=O LYTNHSCLZRMKON-UHFFFAOYSA-L 0.000 description 2
- 238000000634 powder X-ray diffraction Methods 0.000 description 2
- 239000012041 precatalyst Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052845 zircon Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 2
- RXWOHFUULDINMC-UHFFFAOYSA-N 2-(3-nitrothiophen-2-yl)acetic acid Chemical compound OC(=O)CC=1SC=CC=1[N+]([O-])=O RXWOHFUULDINMC-UHFFFAOYSA-N 0.000 description 1
- 229910000505 Al2TiO5 Inorganic materials 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 238000005004 MAS NMR spectroscopy Methods 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- NWFNSTOSIVLCJA-UHFFFAOYSA-L copper;diacetate;hydrate Chemical compound O.[Cu+2].CC([O-])=O.CC([O-])=O NWFNSTOSIVLCJA-UHFFFAOYSA-L 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- VBEGUCKCABFDDF-UHFFFAOYSA-N hydroxylamine platinum Chemical compound [Pt].NO VBEGUCKCABFDDF-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- WOVCNZYAINTKKT-UHFFFAOYSA-N octane;toluene Chemical compound CC1=CC=CC=C1.CCCCCCCC WOVCNZYAINTKKT-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 229910052611 pyroxene Inorganic materials 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000000985 reflectance spectrum Methods 0.000 description 1
- 239000011214 refractory ceramic Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/723—CHA-type, e.g. Chabazite, LZ-218
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9431—Processes characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8926—Copper and noble metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/061—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing metallic elements added to the zeolite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
- B01J29/068—Noble metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
- B01J29/072—Iron group metals or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/74—Noble metals
- B01J29/743—CHA-type, e.g. Chabazite, LZ-218
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/76—Iron group metals or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/76—Iron group metals or copper
- B01J29/763—CHA-type, e.g. Chabazite, LZ-218
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/80—Mixtures of different zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/19—Catalysts containing parts with different compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0246—Coatings comprising a zeolite
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/46—Other types characterised by their X-ray diffraction pattern and their defined composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20715—Zirconium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20761—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/903—Multi-zoned catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/903—Multi-zoned catalysts
- B01D2255/9032—Two zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/904—Multiple catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/915—Catalyst supported on particulate filters
- B01D2255/9155—Wall flow filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J2029/062—Mixtures of different aluminosilicates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24149—Honeycomb-like
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Filtering Materials (AREA)
Description
本願は、35U.S.C.§119(e)に基づいて、U.S.特許出願No.60/891,835(出願日、2007年2月27日)及びU.S.特許出願No.12/038,423(出願日、2008年2月27日)の優先権を主張する。これらの文献はその全てがここに導入される。
本発明は、(International Zeolite Assosiationによって定義された)CHA結晶構造を有するゼオライト、このようなゼオライトを含む触媒、及びこのような触媒を組込んだ排気ガス処理(装置)に関する。この触媒は、排気ガス流(特にガソリン又はディーゼルエンジンから放出される排気ガス流)を処理するために使用される排気ガス処理システムの一部であって良い。
図1は、実施例1の方法に従い製造されたCuCHAについて、窒素酸化物除去効率(%)、アンモニア消費(%)、及びCuCHA触媒の生成N2Oを、反応温度の関数として表したグラフである;
図1Aは、実施例1及び1Aの方法に従い製造されたCuCHAについて、窒素酸化物除去効率(%)、アンモニア消費(%)、及びCuCHA触媒の生成N2O(ppm)を、反応温度の関数として表したグラフである;
図2は、実施例2の方法に従い製造されたCuCHAについて、窒素酸化物除去効率(%)、アンモニア消費(%)、及びCuCHA触媒の生成N2Oを、反応温度の関数として表したグラフである;
図3は、実施例3の方法に従い製造されたCuCHAについて、窒素酸化物除去効率(%)、アンモニア消費(%)、及びCuCHA触媒の生成N2O(ppm)を、反応温度の関数として表したグラフである;
図4は、実施例4の方法に従い製造されたCuCHAについて、窒素酸化物除去効率(%)、アンモニア消費(%)、及びCuCHA触媒の生成N2O(ppm)を、反応温度の関数として表したグラフである;
図5は、種々の温度での、CO、プロペン、n−オクタン、及び水がCuCHA SCR活性に与える影響を表したグラフである;
図5Aは、実施例12Aに従いテストされたサンプルについて、貯蔵、放出、コークスとして堆積したHCの量及び燃焼コークスの量を表したグラフである;
図5Bは、実施例12Aに従う、CuY及びFeベータゼオライトと比較したCuCHAの炭化水素性能を表した棒グラフである;
図6は、実施例13及び14の方法に従って製造され、及び熟成されたAMOX触媒出口からのNH3、NOX(=NO+NO2)、N2O及びN2の放出を、窒素原子をベースにppmで表したグラフである;
図7は、実施例16の方法に従い製造されたCuCHAについて、窒素酸化物除去効率(%)、アンモニア消費(%)、及びCuCHA触媒の生成N2O(ppm)を、反応温度の関数として表したグラフである;
図8は、実施例17の方法に従い製造されたCuCHAについて、窒素酸化物除去効率(%)、アンモニア消費(%)、及びCuCHA触媒の生成N2O(ppm)を、反応温度の関数として表したグラフである;
図9は、実施例18の方法に従い製造されたCuCHAについて、窒素酸化物除去効率(%)、アンモニア消費(%)、及びCuCHA触媒の生成N2O(ppm)を、反応温度の関数として表したグラフである;
図10A、10B及び10Cは、本発明の排気処理システムの3つの例示的な実施の形態の概略図である;
図11は、実施例20と22AのUV/VISである;
図12は、CHA及び熟成CHAサンプルと比較した、実施例22及び22Aの27AlMASNMRスペクトルである。
本発明の例示的な実施の形態をいくつか説明する前に、本発明は、以下に記載する構成又は工程の詳細に限定されるものではないことが理解されるべきである。本発明は、他の実施の形態が可能であり、そして種々の方法で行うことができる。
触媒組成物は、基材に設けられる。基材は、触媒を製造するために使用される如何なるものであっても良く、そして通常、セラミック又は金属ハニカム構造を含む。適切な如何なる基材も使用して良く、例えば入口から出口面まで伸びる微細で平行なガス流通路(該ガス流通路は開口しており、流体が通路を流れることができる)を有するモノリス基材(ハニカム流通基材と称される)を使用して良い。その流体入口から流体出口までを実質的にまっすぐに伸びる通路は、壁部によって規定されており、この壁部に触媒材料がワッシュコートとして堆積され、これにより通路を流れるガスが触媒材料と接触する。モノリス基材の流体通路は薄壁の流路(通路:channel)であり、該流路は、台形、長方形、四角形、正弦曲線、六角形、長円形、円形等の適切な如何なる断面形状と大きさを有していても良い。このような構造は、断面の1平方インチ当たり、約60〜約400又はそれ以上の入口開口部(すなわちセル)を含んでいても良い。
一つ以上の実施の形態では、CuCHAのワッシュコートは、バインダーを使用して製造することができる。一つ以上の実施の形態では、適切な前駆体、例えばジルコニルアセテート又は他の適切なジルコニウム前駆体、例えばジルコニルニトレートから誘導されるZrO2が使用される。一実施の形態では、ジルコニルアセテートバインダーは、均質性を保持し、及び熱的熟成の後、例えば、触媒が、少なくとも約600℃、例えば、約800℃以上で、約10%以上の高水蒸気の環境に曝された場合に損なわれていない触媒被覆を提供する。ワッシュコートを損なうことなく保持することは有利である。この理由は、弛んだ、又は遊離し(単離した)被覆物は、CSFを塞ぎ得るもので、背圧が増加する原因になるからである。
このことは、次ぎのように行って良い。すなわち、微細な粒子状耐火金属酸化物担体材料、例えば、ガンマアルミナを1種以上の触媒金属成分、例えば貴金属、すなわち白金族、化合物又は他の貴金属又は卑金属に浸漬させ、乾燥させ、及び浸漬(含浸)した担体粒子をか焼(焼成)し、及びこれら粒子の水性スラリーを形成することによって行って良い。バルク銅菱沸石の粒子をスラリーに含んでも良い。触媒成分をその上に分散させる前に、活性化したアルミナを熱的に安定化しても良い。この熱的な安定化は、この技術分野では公知のように、例えば、バリウム、ランタン、ジルコニウム、希土類金属の溶解性の塩又は他の適切な安定剤前駆体の溶液に浸漬(含浸)させ、次に乾燥(例えば、110℃で1時間)させ、そして浸漬させて活性化したアルミナを、か焼(例えば、550℃で1時間)させてアルミナ上に分散した安定化金属酸化物を形成することにより行っても良い。卑金属触媒を、任意に活性化アルミナに含浸させて良く、例えば、卑金属の溶液をアルミナ粒子に含浸させ、そしてか焼(焼成)してアルミナ粒子に分散した卑金属酸化物を得ても良い。
(シリカ/アルミナモル割合が30の)100gのNH4 +状CHAを400mLの1.0Mの銅(II)サルフェート溶液と混合することにより、CuCHA粉末触媒を製造した。硝酸で、pHを3.5に調節した。スラリーを80℃で1時間攪拌させて、NH4 +状CHAと銅イオンとの間のイオン交換反応を行った。得られた混合物を次にろ過し、800mLの脱イオン水で、ろ液が透明で無色になるまで(3箇所で)洗浄した。このことは、溶解性又は遊離銅がサンプル内に実質的に残っていないことを示す。そして洗浄したサンプルを90℃に乾燥した。イオン交換、ろ過、洗浄及び乾燥を含む上述した工程を、もう一度繰り返した。
実施例1の被覆スラリーに、銅サルフェートペンタハイドレートが加えられ、合計CuOレベルを3.2%とした。モノリスを640℃でか焼したこと以外は、実施例1に概説したようにスラリーをモノリスに被覆し、及び熟成させ、そしてSCR NOXについて試験した。図1Aで、触媒性能を実施例1と比較した。被覆スラリーに銅サルフェートを加えることにより、熱水的な安定性と低温活性がかなり改良される。
(シリカ/アルミナモル割合が30の)17KgのNH4 +状CHAと、68Lの1.0Mの銅(II)サルフェート溶液を混合することにより、CuCHA粉末触媒を製造した。硝酸で、pHを3.5に調節した。スラリーを80℃で1時間攪拌させて、NH4 +状CHAと銅イオンとの間のイオン交換反応を行った。得られた混合物を次にろ過し、そして空気乾燥した。イオン交換、及びろ過を含む上述した工程を、もう一度繰り返した。濡れた状態のろ過ケーキを40Lの脱イオン水に再スラリー化し、次にろ過し、そして90℃で乾燥した。得られたCuCHA生成物を次に空気中で640℃で6時間か焼した。得られたCuCHA触媒は2.75質量%のCuOを含んでいた。
実施例2と同様の工程及び次に初期湿潤含浸を行うことにより、3.36質量%CuOを含むCuCHO触媒を製造した。
初期湿潤含浸工程だけで、3.85質量%CuOを含むCuCHO触媒を製造した。18.3gの銅サルフェートペンタハイドレート及び168mLの脱イオン水を含む銅サルフェート溶液を、シリカ/アルミナモル割合が30の、140gのNH4 +状CHAに含浸させた。次に、含浸させたサンプルを90℃で乾燥させ、そして640℃で6時間か焼した。
単一イオン交換(single ion-exchange)でサンプルを製造したこと以外は実施例1と同様の方法で、1.94質量%CuOを含むCuCHA触媒を製造した。
(シリカ/アルミナモル割合が15の)0.2KgのNH4 +状CHAと、16mLの25mMの銅(II)サルフェート溶液を混合することにより、CuCHA粉末触媒を製造した。スラリーを80℃で1時間攪拌させて、NH4 +状CHAと銅イオンとの間のイオン交換反応を行った。得られた混合物を次にろ過し、脱イオン水で洗浄し、そして90℃で乾燥した。イオン交換、ろ過、洗浄及び乾燥を含む上述した工程を、もう一度繰り返した。得られたCuCHA生成物を次に空気中で540℃で16時間か焼した。得られたCuCHA触媒は4.57質量%のCuOを含んでいた。
シリカ/アルミナモル割合が30、及びイオン交換工程を4回繰り返したこと以外は、実施例6と同様の方法(該方法は、イオン交換、ろ過、洗浄、乾燥、か焼及び熱水的熟成を含む)を使用して、2.94質量%のCuOを含むCuCHA粉触媒を製造した。
シリカ/アルミナモル割合が50であること以外は、実施例6と同様の方法(該方法は、イオン交換、ろ過、洗浄、乾燥、か焼及び熱水的熟成を含む)を使用して、0.45質量%のCuOを含むCuCHA粉触媒を製造した。
(シリカ/アルミナモル割合が256の)15.0gのNH4 +状CHAと、61mLの0.64Mの銅(II)サルフェート溶液を混合することにより、CuCHA粉末触媒を製造した。スラリーを80℃で1時間攪拌させて、NH4 +状CHAと銅イオンとの間のイオン交換反応を行った。得られた混合物を次にろ過し、脱イオン水で洗浄し、そして90℃で乾燥した。イオン交換、ろ過、洗浄及び乾燥を含む上述した工程を、もう4回繰り返した。得られたCuCHA生成物を次に空気中で540℃で16時間か焼した。得られたCuCHA触媒は2.63質量%のCuOを含んでいた。
シリカ/アルミナモル割合が5のCu/Yゼオライト粉触媒を以下に説明するように製造した。
実施例10で製造したサンプルに類似した手順を使用して、シリカ/アルミナモル割合が35のCu/Beta粉末触媒を製造した。熱水熟成及びSCR評は、実施例1で概説したものと同様である。
実施例で試験するサンプルを以下のように製造した。
HC貯蔵/放出試験:
ガス及び装置:
144個の開口したセルを示し、及び長さが1”のセラミックモノリス(400cpsi/6mill)に被覆されたCuCHAの触媒コアを50時間、800℃で、10%H2O、10%O2、バランスO2中に熟成させた。次に、触媒を実験室反応器内に配置した。触媒を4%H2O、14%O2、100ppmNO、バランスN2を含むガス混合物中に曝し、そして100℃に加熱した。100℃で温度的に安定化させた後、トルエンオクタンのブレンドを質量流制御器を介して加えた。これは、合計空間速度が104kh−1で、オクタンとして100ppmC1、及びトルエンとして100ppmC1の目標濃度を達成するように行った。流出するガスをPt/アルミナベース酸化触媒を含む再燃焼装置(アフターバーナー)に案内し、そして600℃で一定に保持した。部分的な酸化生成物及びCuCHA触媒上で形成されても良いCOが、再燃焼装置を通過した時にCO2にされる。再燃焼装置からのCO2流出物が、IRCO2分析装置によって監視される。平行して、再燃焼装置を迂回した、CuCHAからの流出物のスリップ流が、FID−HC分析装置によって分析された。
100℃で、4%H2O、14%O2、100ppmNO、バランスN2中でCuCHA触媒を安定化させた後、オクタンとトルエンの炭化水素ブレンドを導入した。10分の間、触媒温度を100℃に維持した。この期間、HCを触媒上に貯蔵し、これによりCO2再燃焼装置出口信号がHC入口濃度未満になった。貯蔵期間の後、温度を、20℃/分の傾斜で、直線的に100℃から600℃に上昇させた。CO2再燃焼装置信号は、鋭く上昇した。これは、貯蔵されたHCが触媒から放出されたことに起因する。脱離が完了した後、CO2信号は、基準値(=供給ガス濃度)に戻った。温度が上昇するに従い、再燃焼装置出口CO2が、供給ガスレベル未満に僅かに減少し、HC除去の第2のタイプを示す。これは、触媒上で、トルエンとオクタンから形成された炭素質の堆積(沈澱)に起因する。温度が上昇するに従い、形成された炭素質の更なる堆積物が燃焼され、そして、CO2再燃焼装置出口信号を上昇させる要因になる。炭素質堆積物の燃焼が完了した後、CO2再燃焼装置信号は、最終的にその基準値に戻る。
(コークス及び燃焼コークスとして)貯蔵、放出、堆積したHCの量を測定(調査)するために、CO2信号再燃焼装置を定量的に評価した。図5Aに示した、再燃焼装置出口CO2トレースとHC供給ガス濃度との交差点を積分限界(integration limit)として使用した。CuCHAの実施例のために、これらの積分限界は、貯蔵について、おおよそ0〜800s、放出について、おおよそ800s〜1000s、コークス化について、おおよそ1000s〜1400sであった。貯蔵、放出、コークスとして堆積及び次に燃焼される量を、供給ガス流HCの平均C:H割合に基いて、mgHCとして表した。
この実験を、同一条件下で、同一堆積の、Cu−Y(10%H2O、10%O2、バランスN2中、25時間@750℃で熟成後)及びFe−Beta(10%H2O、10%O2、バランスN2中、50時間@800℃で熟成後)SCR触媒を使用して行なった。CuCHAの場合、コークス化は非常に少なく、そしてその結果、顕著なバーンオフ信号はなかった。結果を図5Bに9示す。CuCHA触媒がHCを最小の量で貯蔵し、大半のHCをHCとして放出し、そしてコークスとして殆ど堆積しないことが明確である。これとは対照的に、Cu−Y触媒は、約200℃〜450℃の温度範囲で、炭素質の堆積を相当量形成した。形成されたコークスの一部は、次に高温で燃焼除去された。
CuCHAを含むアンモニア酸化触媒を実施例12のように製造し、そしてこの触媒は、CuOとして計算して銅の含有量が3.68%、及びSiO2/Al2O3割合が30であった。この材料を、400セル/in3の四角形セル形状を有する標準モノリスコージライト担体に被覆し、モノリスバルク体積に対して2.40g/in3の積載量とした。この予備被服されたモノリスを次に、白金含有前駆体(プラチナヒドロキシアミン錯体)の溶液中に漬け、白金前駆体を該当部位に完全に及び均一に分散させた。この部位を110℃で乾燥させ、次に450℃で1時間か焼(焼成)した。これにより、上記部位について、モノリスバルク体積に対して4.3g/ft3の積載量を得た。従って、触媒は、次の組成を有していた:標準コージライト400/6担体に被覆された、CuCHAに担持された3.68%CuO+0.10%Prで、部位の合計積載量が約2.4g/in3。本触媒のAl:Cu:Pt原子割合は、約190:90:1である。Al/M割合(M=Cu+Pt)は、約2.1であった。
熱水熟成させたAMOX触媒コア(実施例13に記載されたように製造)のアンモニア除去効率及び酸化生成物の選択性を測定した。該測定は、N2でバランスさせた、500ppmのNH3、10%O2,5%H2Oの供給ガス混合物を定常状態の反応器(反応器内には、正面の断面に144個の開口セルを含む、長さが3.0インチの四角シリンダー状の触媒コアが配置されている)に加えることによって行った。反応は、150℃〜460℃の温度範囲で、空間速度(space velocity)が100,000hr−1で行った。熱水的熟成の条件は、空気中、10時間、700℃及び10%H2Oであった。図6は、熱水的熟成させたCuCHAサンプルからの放出と比較した放出を示したグラフである。このデータは、1)Pt含浸を行わなかったCuCHAによって触媒作用を及ぼされた、NH3のN2への変換の高い選択性、及び2)白金成分を含めることによって、(N2の高い選択性を損なうことなく)NH3変換が飛躍的に上昇することを示している。従来技術は、金属ガーゼとしの白金、又は他の酸化物又はゼオライト担体に担持された白金が、通常では、N2O又はNOXを生成するのに選択性を有するという点で、後者が重要である。
同程度の積載量での、流通基材及び壁流フィルター上のCuCHA処方物の比較。壁流フィルターを実施例3の流通触媒担体と同じ触媒で被覆し、そして2個のサンプルを計測して触媒活性を比較した。
608gのNH4 +−CHA(シリカ/アルミナモル割合が30)と796mLの脱イオン水を混合することにより、NH4 +−CHAスラリーを製造した。この混合物をNetzsch Millを使用して粉砕(製粉)し、90%の粒子が8.4μmよりも小さいもののスラリーを得た。稀酢酸中の106gのジルコニウムアセテート(30%ZrO2を含む)をスラリーに攪拌させながら加えた。
12.1gの銅アセテートモノハイドレートを420gの脱イオン化した水に溶解し、次にシリカ/アルミナモル割合が30のNH4 +−CHAを加えた。Netzsch Millを使用して、この混合物を粉砕し、90%の粒子が3.5μmよりも小さいもののスラリーを得た。
銅アセテートでイオン交換することにより、CuCHA粉末触媒を製造した。89.8gの銅塩を1.125Lの脱イオン水に70℃で加えることにより銅(II)アセテートモノヒドレート溶液を製造した。次に、300gのNH4 +状CHAをこの溶液に加えた。このスラリーを70℃で1時間攪拌することにより、NH4 +状CHAと銅イオンとの間のイオン交換反応を行った。反応の間、pHは、4.8〜4.5の間であった。得られた混合物を次にろ過し、ろ液の伝導度が<200μScm−1になるまで洗浄し(このことは、溶解性銅又は遊離銅がサンプル内に残っていないことを示す)、そして洗浄したサンプルを90℃で乾燥させた。得られたCuCHA触媒はCuOを3.06質量%及びNa2Oを140ppm含んでいた。
0.30MCu溶液中でこのサンプルを製造したこと以外は、実施例18と同様の方法で、CuOを2.99質量%含むCuCHA触媒を製造した。
イオン交換を45℃で行ったこと以外は、実施例18と同様の方法で、CuOを2.69質量%含むCuCHA触媒を製造した。
イオン交換を45℃で行ったこと以外は、実施例19と同様の方法で、CuOを2.51質量%含むCuCHA触媒を製造した。
実施例2で製造したCu/CHA粉末を空気中、10%H2O、800℃で48時間、熱水的に熟成した。図11及び図12及び表5及び6では、実施例2からの分析した材料を実施例22とした。表5及び6及び図11及び12では、熱水的に熟成したサンプルを実施例22Aとした。
19 エンジン
23 バルブ
24 混合ステーション
25 ライン
26 ライン
27 基材
34 触媒基材
Claims (19)
- CHA結晶構造を有し、銅のアルミニウムに対する原子割合が0.25〜0.50の範囲にあり、シリカのアルミナに対するモル割合が15〜100の範囲にあるアルミノシリケートゼオライトを含み、
該ゼオライトがCu−SSZ−13を含み、且つ窒素酸化物をアンモニアで還元し窒素とH2Oを形成する反応を選択的に促進することができることを特徴とする触媒。 - 前記シリカのアルミナに対するモル割合が25〜40の範囲にあることを特徴とする請求項1に記載の触媒。
- 前記シリカのアルミナに対するモル割合が30であることを特徴とする請求項1に記載の触媒。
- 前記銅のアルミニウムに対する原子割合が0.30〜0.50の範囲にあることを特徴とする請求項1に記載の触媒。
- 銅のアルミニウムに対する原子割合が0.40であることを特徴とする請求項1に記載の触媒。
- 前記シリカのアルミナに対するモル割合が25〜40の範囲にあり、前記銅のアルミニウムに対する原子割合が0.30〜0.50の範囲にあることを特徴とする請求項1に記載の触媒。
- 前記シリカのアルミナに対するモル割合が30であり、前記銅のアルミニウムに対する原子割合が0.40であることを特徴とする請求項1に記載の触媒。
- 触媒が、少なくとも2.00質量%の酸化銅を含むことを特徴とする請求項1に記載の触媒。
- 触媒が、ハニカム基材に堆積されていることを特徴とする請求項1に記載の触媒。
- ハニカム基材が壁流基材を含むことを特徴とする請求項9に記載の触媒。
- ハニカム基材が流通基材を含むことを特徴とする請求項9に記載の触媒。
- ディーゼルエンジンの下流に配置された請求項10に記載の触媒、及びディーゼルエンジンからの排気ガスに還元剤を加えるインジェクターを含む排気ガス処理システム。
- ディーゼルエンジンの下流に配置された請求項11に記載の触媒、及びディーゼルエンジンからの排気ガスに還元剤を加えるインジェクターを含む排気ガス処理システム。
- NOXを含む排気ガス流、及び排気ガス中のNOXの少なくとも1種の成分を選択的に触媒還元するのに有効な請求項1に記載の触媒を含むことを特徴とする排気ガス処理システム。
- 請求項1に記載の触媒、及び該触媒の上流の触媒化煤フィルターを含むことを特徴とする排気ガス処理システム。
- 請求項1に記載の触媒の上流にディーゼル酸化触媒を含むことを特徴とする請求項12〜15のいずれか1項に記載の排気ガス処理システム。
- ディーゼルエンジンの下流に配置された請求項1または9に記載の触媒、及びディーゼルエンジンからの排気ガスに還元剤を加えるインジェクターを含む排気ガス処理システム。
- 前記シリカのアルミナに対するモル割合が15〜75の範囲にあることを特徴とする請求項1に記載の触媒。
- 前記シリカのアルミナに対するモル割合が15〜50の範囲にあることを特徴とする請求項1記載の触媒。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89183507P | 2007-02-27 | 2007-02-27 | |
US60/891,835 | 2007-02-27 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009551821A Division JP5683111B2 (ja) | 2007-02-27 | 2008-02-27 | 銅chaゼオライト触媒 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016128928A Division JP6325024B2 (ja) | 2007-02-27 | 2016-06-29 | 銅chaゼオライト触媒 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015131297A JP2015131297A (ja) | 2015-07-23 |
JP5965501B2 true JP5965501B2 (ja) | 2016-08-03 |
Family
ID=39453455
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009551820A Expired - Fee Related JP5592653B2 (ja) | 2007-02-27 | 2008-02-27 | 低熱容量のフィルター基材上のscr |
JP2015008493A Active JP5965501B2 (ja) | 2007-02-27 | 2015-01-20 | 銅chaゼオライト触媒 |
JP2016128928A Active JP6325024B2 (ja) | 2007-02-27 | 2016-06-29 | 銅chaゼオライト触媒 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009551820A Expired - Fee Related JP5592653B2 (ja) | 2007-02-27 | 2008-02-27 | 低熱容量のフィルター基材上のscr |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016128928A Active JP6325024B2 (ja) | 2007-02-27 | 2016-06-29 | 銅chaゼオライト触媒 |
Country Status (10)
Country | Link |
---|---|
US (12) | US7998423B2 (ja) |
EP (5) | EP2979758A1 (ja) |
JP (3) | JP5592653B2 (ja) |
KR (1) | KR101473030B1 (ja) |
CN (1) | CN101674876B (ja) |
ES (3) | ES2618458T3 (ja) |
MY (1) | MY150864A (ja) |
PL (1) | PL2656913T3 (ja) |
RU (1) | RU2449834C2 (ja) |
WO (1) | WO2008106518A2 (ja) |
Families Citing this family (189)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2886869B1 (fr) * | 2005-06-14 | 2007-08-31 | Saint Gobain Ct Recherches | Structure et filtre catalytique pour la filtration d'un gaz comprenant un ciment hydrophobe ou oleophobe |
US7998423B2 (en) | 2007-02-27 | 2011-08-16 | Basf Corporation | SCR on low thermal mass filter substrates |
US10384162B2 (en) * | 2007-03-26 | 2019-08-20 | Pq Corporation | High silica chabazite for selective catalytic reduction, methods of making and using same |
CA2939726C (en) * | 2007-04-26 | 2019-06-18 | Johnson Matthey Public Limited Company | Transition metal/zeolite scr catalysts |
US20090263303A1 (en) * | 2007-10-16 | 2009-10-22 | Aspen Products Group, Inc. | Purification Device and Method for Purifying a Fluid Stream |
US10052610B1 (en) * | 2007-12-13 | 2018-08-21 | University Of Puerto Rico | Removal of carbon dioxide from gas mixtures using ion-exchanged silicoaluminophosphates |
US20090196812A1 (en) * | 2008-01-31 | 2009-08-06 | Basf Catalysts Llc | Catalysts, Systems and Methods Utilizing Non-Zeolitic Metal-Containing Molecular Sieves Having the CHA Crystal Structure |
DE102008008786A1 (de) * | 2008-02-12 | 2009-08-13 | Man Nutzfahrzeuge Aktiengesellschaft | Vorrichtung zur Verminderung von Dibenzo-Dioxin- und Dibenzo-Furan-Emissionen aus übergangsmetallhaltigen Katalysatoren |
DE102008008748A1 (de) * | 2008-02-12 | 2009-08-13 | Man Nutzfahrzeuge Ag | Vorrichtung zur Verminderung von Dibenzo-Dioxin- und Dibenzo-Furan-Emissionen aus übergangsmetallhaltigen Katalysatoren |
DE102008008785A1 (de) * | 2008-02-12 | 2009-08-13 | Man Nutzfahrzeuge Aktiengesellschaft | Vorrichtung zur Verminderung von Dibenzo-Dioxin-, Dibenzo-Furan- und Partikel-Emissionen |
US9403151B2 (en) | 2009-01-30 | 2016-08-02 | Umicore Ag & Co. Kg | Basic exchange for enhanced redox OS materials for emission control applications |
US8778831B2 (en) * | 2008-03-27 | 2014-07-15 | Umicore Ag & Co. Kg | Base metal and base metal modified diesel oxidation catalysts |
KR20160129913A (ko) | 2008-03-27 | 2016-11-09 | 우미코레 아게 운트 코 카게 | 종래의 유동 기판들 및 그 위에 배치된 능동적 직접 수트 산화 촉매를 사용하는, 최소의 역압 페널티를 갖는 연속 디젤 수트 제어 |
DE202009019004U1 (de) * | 2008-05-07 | 2015-04-29 | Umicore Ag & Co. Kg | Anordnung zur Behandlung von Stickoxide (NOx) und Kohlenwasserstoffe (HC) enthaltenden Dieselmotorenabgasen |
EP3778484A1 (en) * | 2008-05-21 | 2021-02-17 | Basf Se | Process for the direct synthesis of cu containing zeolites having cha structure |
EP2138681B1 (de) | 2008-06-27 | 2019-03-27 | Umicore AG & Co. KG | Verfahren und Vorrichtung zur Reinigung von Dieselabgasen |
DE102008046381B4 (de) * | 2008-09-09 | 2011-12-22 | Man Truck & Bus Ag | Verfahren zur Verminderung von Stickoxiden im Abgasstrom von Brennkraftmaschinen |
US20100077727A1 (en) * | 2008-09-29 | 2010-04-01 | Southward Barry W L | Continuous diesel soot control with minimal back pressure penatly using conventional flow substrates and active direct soot oxidation catalyst disposed thereon |
GB2464478A (en) * | 2008-10-15 | 2010-04-21 | Johnson Matthey Plc | Aluminosilicate zeolite catalyst and use thereof in exhaust gas after-treatment |
US8524185B2 (en) * | 2008-11-03 | 2013-09-03 | Basf Corporation | Integrated SCR and AMOx catalyst systems |
US10632423B2 (en) * | 2008-11-03 | 2020-04-28 | Basf Corporation | Bimetallic catalysts for selective ammonia oxidation |
DE102008055890A1 (de) * | 2008-11-05 | 2010-05-12 | Süd-Chemie AG | Partikelminderung mit kombiniertem SCR- und NH3-Schlupf-Katalysator |
US10583424B2 (en) * | 2008-11-06 | 2020-03-10 | Basf Corporation | Chabazite zeolite catalysts having low silica to alumina ratios |
CN102245281B (zh) * | 2008-12-08 | 2014-04-02 | 赫多特普索化工设备公司 | 用于去除烟道气中的氮氧化物的方法和催化剂 |
JP5482179B2 (ja) * | 2008-12-22 | 2014-04-23 | 東ソー株式会社 | チャバザイト型ゼオライト及びその製造方法 |
CN102325580B (zh) | 2008-12-24 | 2016-04-13 | 巴斯夫公司 | 具有催化scr过滤器和下游scr催化剂的排气处理系统及方法 |
US8844274B2 (en) * | 2009-01-09 | 2014-09-30 | Ford Global Technologies, Llc | Compact diesel engine exhaust treatment system |
US8231701B2 (en) * | 2009-01-21 | 2012-07-31 | Corning Incorporated | Particulate filters and methods for regenerating particulate filters |
US8187353B2 (en) * | 2009-01-21 | 2012-05-29 | Corning Incorporated | Filtration structures for improved particulate filter performance |
GB0903262D0 (en) * | 2009-02-26 | 2009-04-08 | Johnson Matthey Plc | Filter |
US8512657B2 (en) | 2009-02-26 | 2013-08-20 | Johnson Matthey Public Limited Company | Method and system using a filter for treating exhaust gas having particulate matter |
US9662611B2 (en) * | 2009-04-03 | 2017-05-30 | Basf Corporation | Emissions treatment system with ammonia-generating and SCR catalysts |
WO2010121257A1 (en) * | 2009-04-17 | 2010-10-21 | Johnson Matthey Public Limited Company | Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides |
GB2469581A (en) | 2009-04-17 | 2010-10-20 | Johnson Matthey Plc | Method of using copper/small pore molecular sieve catalysts in a chemical process |
EP2687284A1 (en) * | 2009-06-08 | 2014-01-22 | Basf Se | Cu containing silicoaluminophosphate (Cu-SAPO-34) |
NL2002986C2 (nl) * | 2009-06-09 | 2010-12-13 | Daf Trucks Nv | Inrichting voor het nabehandelen van uitlaatgas van een dieselverbrandingsmotor. |
US8635855B2 (en) * | 2009-06-17 | 2014-01-28 | GM Global Technology Operations LLC | Exhaust gas treatment system including a lean NOx trap and two-way catalyst and method of using the same |
US8904760B2 (en) * | 2009-06-17 | 2014-12-09 | GM Global Technology Operations LLC | Exhaust gas treatment system including an HC-SCR and two-way catalyst and method of using the same |
US8293198B2 (en) * | 2009-12-18 | 2012-10-23 | Basf Corporation | Process of direct copper exchange into Na+-form of chabazite molecular sieve, and catalysts, systems and methods |
ES2569923T3 (es) * | 2010-01-25 | 2016-05-13 | Peugeot Citroën Automobiles SA | Dispositivo de postratamiento de los gases de escape de un motor de combustión interna |
US8440586B2 (en) * | 2010-02-26 | 2013-05-14 | Corning Incorporated | Low pressure drop extruded catalyst filter |
GB201003784D0 (en) * | 2010-03-08 | 2010-04-21 | Johnson Matthey Plc | Improvement in control OPF emissions |
US8815189B2 (en) * | 2010-04-19 | 2014-08-26 | Basf Corporation | Gasoline engine emissions treatment systems having particulate filters |
US8745970B2 (en) | 2010-04-27 | 2014-06-10 | GM Global Technology Operations LLC | Ammonia slip catalyst diagnostic methods and systems |
US8293182B2 (en) | 2010-05-05 | 2012-10-23 | Basf Corporation | Integrated SCR and AMOx catalyst systems |
GB201100595D0 (en) * | 2010-06-02 | 2011-03-02 | Johnson Matthey Plc | Filtration improvements |
US20120042637A1 (en) * | 2010-08-18 | 2012-02-23 | Caterpillar Inc. | Tall vertical scr |
US8535629B2 (en) * | 2010-12-02 | 2013-09-17 | Johnson Matthey Public Limited Company | Zeolite catalyst containing metal |
JP5895510B2 (ja) * | 2010-12-22 | 2016-03-30 | 東ソー株式会社 | チャバザイト型ゼオライト及びその製造方法、銅が担持されている低シリカゼオライト、及び、そのゼオライトを含む窒素酸化物還元除去触媒、並びに、その触媒を使用する窒素酸化物還元除去方法 |
DE102010055728A1 (de) * | 2010-12-22 | 2012-06-28 | Süd-Chemie AG | Verfahren zur Umsetzung stickstoffhaltiger Verbindungen |
US9309340B2 (en) | 2011-03-30 | 2016-04-12 | Japan Polyethylene Corporation | Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst |
US9011583B2 (en) | 2011-04-29 | 2015-04-21 | Corning Incorporated | Article for CO2 capture having heat exchange capability |
US8950176B2 (en) * | 2011-06-29 | 2015-02-10 | Electro-Motive Diesel, Inc. | System for reducing engine emissions and backpressure using parallel emission reduction equipment |
WO2013005850A2 (en) | 2011-07-01 | 2013-01-10 | Toyota Jidosha Kabushiki Kaisha | Exhaust Purification System for Internal Combustion Engine |
US8789356B2 (en) | 2011-07-28 | 2014-07-29 | Johnson Matthey Public Limited Company | Zoned catalytic filters for treatment of exhaust gas |
JP2014530097A (ja) * | 2011-10-05 | 2014-11-17 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | ガス流中のNOxを処理するためのCu−CHA/Fe−BEA混合ゼオライト触媒および方法 |
US9999877B2 (en) | 2011-10-05 | 2018-06-19 | Basf Se | Cu-CHA/Fe-BEA mixed zeolite catalyst and process for the treatment of NOx in gas streams |
US20120258032A1 (en) * | 2011-11-02 | 2012-10-11 | Johnson Matthey Public Limited Company | Catalyzed filter for treating exhaust gas |
US9062586B2 (en) * | 2012-04-05 | 2015-06-23 | Corning Incorporated | Impermeable polymer coating on selected honeycomb channel surfaces |
GB201207313D0 (en) | 2012-04-24 | 2012-06-13 | Johnson Matthey Plc | Filter substrate comprising three-way catalyst |
GB2513364B (en) * | 2013-04-24 | 2019-06-19 | Johnson Matthey Plc | Positive ignition engine and exhaust system comprising catalysed zone-coated filter substrate |
US8997461B2 (en) | 2012-05-21 | 2015-04-07 | Cummins Emission Solutions Inc. | Aftertreatment system having two SCR catalysts |
WO2014052691A1 (en) | 2012-09-28 | 2014-04-03 | Pacific Industrial Development Corporation | A method of preparing an stt-type zeolite for use as a catalyst in selective catalytic reduction reactions |
GB201221025D0 (en) * | 2012-11-22 | 2013-01-09 | Johnson Matthey Plc | Zoned catalysed substrate monolith |
RU2643969C2 (ru) * | 2012-12-12 | 2018-02-06 | Хальдор Топсеэ А/С | Однореакторный способ синтеза cu-ssz-13, соединение, полученное с помощью способа, и его использование |
KR101416409B1 (ko) * | 2012-12-31 | 2014-07-08 | 기아자동차 주식회사 | 차량의 요소수 분사량 제어장치 및 방법 |
DE102013003112B4 (de) | 2013-02-25 | 2017-06-14 | Umicore Ag & Co. Kg | SCR-Katalysator mit verbessertem NOx-Umsatz |
EP2772302A1 (en) | 2013-02-27 | 2014-09-03 | Umicore AG & Co. KG | Hexagonal oxidation catalyst |
US20140286857A1 (en) * | 2013-03-21 | 2014-09-25 | Basf Corporation | Methods of preparing metal containing inorganic ion exchangers |
GB2512648B (en) * | 2013-04-05 | 2018-06-20 | Johnson Matthey Plc | Filter substrate comprising three-way catalyst |
US9999879B2 (en) | 2013-05-30 | 2018-06-19 | Corning Incorporated | Formed ceramic substrate composition for catalyst integration |
US20140357474A1 (en) * | 2013-05-30 | 2014-12-04 | Corning Incorporated | Formed ceramic substrate composition for catalyst integration |
WO2014194225A1 (en) * | 2013-05-31 | 2014-12-04 | Johnson Matthey Public Limited Company | Catalyzed filter for treating exhaust gas |
JP2016530070A (ja) * | 2013-05-31 | 2016-09-29 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company | 排ガスを処理するための触媒化フィルタ |
EP3027309B1 (en) * | 2013-07-30 | 2020-05-27 | Johnson Matthey Public Limited Company | Ammonia slip catalyst |
DE102014112413A1 (de) * | 2013-08-30 | 2015-03-05 | Johnson Matthey Public Limited Company | Zeolithmischkatalysatoren zur behandlung von abgas |
US11207666B2 (en) | 2013-12-02 | 2021-12-28 | Johnson Matthey Public Limited Company | Mixed template synthesis of high silica Cu-CHA |
US10512905B2 (en) * | 2013-12-03 | 2019-12-24 | Johnson Matthey Public Limited Company | SCR catalyst |
EP3077085B1 (en) * | 2013-12-06 | 2020-02-05 | Johnson Matthey Public Limited Company | Passive nox adsorber comprising noble metal and small pore molecular sieve |
DE102015000955A1 (de) | 2014-01-20 | 2015-07-23 | Cummins Inc. | Systeme und Verfahren zur Minderung von NOx- und HC-Emissionen |
US9512761B2 (en) | 2014-02-28 | 2016-12-06 | Cummins Inc. | Systems and methods for NOx reduction and aftertreatment control using passive NOx adsorption |
DE102014204682A1 (de) | 2014-03-13 | 2015-10-01 | Umicore Ag & Co. Kg | Katalysatorsystem zur Reduzierung von Schadgasen aus Benzinverbrennungsmotoren |
FR3019062B1 (fr) * | 2014-03-26 | 2016-04-15 | Peugeot Citroen Automobiles Sa | Ensemble de depollution des gaz de combustion |
RU2565697C1 (ru) * | 2014-03-26 | 2015-10-20 | Закрытое акционерное общество "Молекулярные технологии и новые материалы" | Цеолитный адсорбент |
US9567888B2 (en) | 2014-03-27 | 2017-02-14 | Cummins Inc. | Systems and methods to reduce reductant consumption in exhaust aftertreament systems |
JP6453359B2 (ja) * | 2014-04-07 | 2019-01-16 | ハルドール・トプサー・アクチエゼルスカベット | 低温での固体イオン交換による金属交換されたメタロアルミノホスフェートの製造方法 |
EP3140038A1 (en) * | 2014-05-09 | 2017-03-15 | Johnson Matthey Public Limited Company | Ammonia slip catalyst having platinum impregnated on high porosity substrates |
US10399024B2 (en) | 2014-05-15 | 2019-09-03 | Hollingsworth & Vose Company | Surface modified filter media |
US10195542B2 (en) * | 2014-05-15 | 2019-02-05 | Hollingsworth & Vose Company | Surface modified filter media |
GB2530129B (en) * | 2014-05-16 | 2016-10-26 | Johnson Matthey Plc | Catalytic article for treating exhaust gas |
US9616384B2 (en) * | 2014-06-11 | 2017-04-11 | Basf Se | Base metal catalyst |
US9764313B2 (en) * | 2014-06-18 | 2017-09-19 | Basf Corporation | Molecular sieve catalyst compositions, catalyst composites, systems, and methods |
US9889437B2 (en) | 2015-04-15 | 2018-02-13 | Basf Corporation | Isomorphously substituted catalyst |
US10850265B2 (en) | 2014-06-18 | 2020-12-01 | Basf Corporation | Molecular sieve catalyst compositions, catalytic composites, systems, and methods |
CA2952437C (en) * | 2014-06-18 | 2023-08-29 | Basf Corporation | Molecular sieve catalyst compositions, catalytic composites, systems, and methods |
JP6233215B2 (ja) * | 2014-07-07 | 2017-11-22 | トヨタ自動車株式会社 | パティキュレートフィルタに触媒を担持させる方法 |
JP6393591B2 (ja) | 2014-11-12 | 2018-09-19 | 日立造船株式会社 | アルデヒド分解触媒および排ガス処理設備ならびに排ガス処理方法 |
JP6546738B2 (ja) * | 2014-11-12 | 2019-07-17 | 日立造船株式会社 | アルデヒド分解触媒および排ガス処理設備ならびに排ガス処理方法 |
US10377638B2 (en) * | 2015-04-09 | 2019-08-13 | Pq Corporation | Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of NOx |
US9993772B2 (en) * | 2015-06-18 | 2018-06-12 | Johnson Matthey Public Limited Company | Zoned exhaust system |
US10201807B2 (en) | 2015-06-18 | 2019-02-12 | Johnson Matthey Public Limited Company | Ammonia slip catalyst designed to be first in an SCR system |
US9937489B2 (en) * | 2015-06-18 | 2018-04-10 | Johnson Matthey Public Limited Company | Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC |
BR112017027160B1 (pt) * | 2015-06-18 | 2021-09-28 | Johnson Matthey Public Limited Company | Artigo catalisador, sistema de escape, motor, veículo, métodos para melhorar o rendimento de n2 a partir de amônia em um gás de escape e para reduzir a formação de n2o a partir de nh3,em um gás de escape |
CN105214723B (zh) * | 2015-07-23 | 2018-05-04 | 清华大学苏州汽车研究院(吴江) | 含铜的氨氧化催化剂及其制备方法 |
DE112016002717T5 (de) * | 2015-08-03 | 2018-03-08 | Cummins Emission Solutions Inc. | Sensorkonfiguration für ein Nachbehandlungssystem umfassend einen SCR mit Filter |
US10058819B2 (en) | 2015-11-06 | 2018-08-28 | Paccar Inc | Thermally integrated compact aftertreatment system |
US9764287B2 (en) | 2015-11-06 | 2017-09-19 | Paccar Inc | Binary catalyst based selective catalytic reduction filter |
US10188986B2 (en) | 2015-11-06 | 2019-01-29 | Paccar Inc | Electrochemical reductant generation while dosing DEF |
US9737877B2 (en) | 2015-11-06 | 2017-08-22 | Paccar Inc | Surface-modified catalyst precursors for diesel engine aftertreatment applications |
US9757691B2 (en) | 2015-11-06 | 2017-09-12 | Paccar Inc | High efficiency and durability selective catalytic reduction catalyst |
MX2018006130A (es) * | 2015-11-17 | 2019-03-28 | Basf Corp | Catalizador de tratamiento de gas de escape. |
KR101713743B1 (ko) * | 2015-12-08 | 2017-03-08 | 현대자동차 주식회사 | 선택적 환원 촉매가 코팅된 디젤 매연 필터의 재생 방법 및 배기 가스 정화 장치 |
CN106179472A (zh) * | 2015-12-10 | 2016-12-07 | 华中科技大学 | 一种Cu-SSZ-13分子筛催化剂的制备方法及其用途 |
CN106927474B (zh) * | 2015-12-30 | 2018-10-30 | 中触媒新材料股份有限公司 | 一种ssz-13分子筛及其制备方法与应用 |
RU2018131407A (ru) * | 2016-02-03 | 2020-03-03 | Басф Корпорейшн | Шабазитный катализатор, совместно обмененный на медь и железо |
EP3205398A1 (en) | 2016-02-12 | 2017-08-16 | Hyundai Motor Company | Method for preparing zeolite catalyst |
US10343925B2 (en) | 2016-02-12 | 2019-07-09 | Hyundai Motor Company | Method for preparing zeolite catalyst |
KR102011611B1 (ko) * | 2016-02-19 | 2019-10-14 | 얀마 가부시키가이샤 | 엔진 장치 |
WO2017153894A1 (en) | 2016-03-08 | 2017-09-14 | Basf Corporation | Ion-exchanged molecular sieve catalyst exhibiting reduced n2o emissions |
CN105709572B (zh) * | 2016-04-12 | 2017-12-29 | 华中科技大学 | 一种减少so2对scr催化剂毒害的装置及方法 |
PL3461263T3 (pl) | 2016-04-26 | 2024-08-26 | Basf Corporation | Strefowa konfiguracja dla kombinacji katalizatorów utleniających |
CN105944753A (zh) * | 2016-05-09 | 2016-09-21 | 清华大学 | 一种核壳结构Cu-SSZ-13分子筛催化剂及其制备和应用 |
KR101982040B1 (ko) | 2016-06-21 | 2019-05-24 | 삼성전기주식회사 | 팬-아웃 반도체 패키지 |
BR112019001977B1 (pt) * | 2016-08-05 | 2022-11-16 | Basf Corporation | Artigo de redução catalítica seletiva e sistema de tratamento de gás de escape |
US10029949B2 (en) * | 2016-10-24 | 2018-07-24 | The Boeing Company | Precursor material for additive manufacturing of low-density, high-porosity ceramic parts and methods of producing the same |
BR112019008207A2 (pt) | 2016-10-24 | 2019-07-09 | Basf Corp | sistemas de tratamento de gases de exaustão, método para o tratamento de uma corrente de exaustão e artigo catalítico |
WO2018079569A1 (ja) | 2016-10-25 | 2018-05-03 | 日揮触媒化成株式会社 | 基材コート用チャバザイト型ゼオライト |
US10500574B2 (en) * | 2016-10-31 | 2019-12-10 | Johnson Matthey Public Limited Company | LTA catalysts having extra-framework iron and/or manganese for treating exhaust gas |
KR101879695B1 (ko) | 2016-12-02 | 2018-07-18 | 희성촉매 주식회사 | 2가 구리 이온들을 특정비율로 담지한 제올라이트, 이의 제조방법 및 이를 포함하는 촉매조성물 |
WO2018104446A2 (en) | 2016-12-07 | 2018-06-14 | Solvay Sa | MULTI-POLLUTANT GAS PURIFICATION PROCESS WITH ALKALI SORBENT AND DeNOx SUPPORTED CATALYST COMPRISING Ca-DEFICIENT HYDROXYAPATITE |
JP7069797B2 (ja) | 2017-02-22 | 2022-05-18 | 東ソー株式会社 | チャバザイト型ゼオライト及びその製造方法 |
CN106830007B (zh) * | 2017-03-17 | 2019-03-19 | 中触媒新材料股份有限公司 | 具有多级孔ssz-13分子筛催化剂及其合成方法和应用 |
CN110730858A (zh) | 2017-04-04 | 2020-01-24 | 巴斯夫公司 | 集成排放控制系统 |
WO2018185661A1 (en) | 2017-04-04 | 2018-10-11 | Basf Corporation | Hydrogen reductant for catalytic pollution abatement |
BR112019020825A2 (pt) | 2017-04-04 | 2020-04-28 | Basf Corp | sistema de controle de emissão para tratamento de uma corrente de gás de exaustão e método para tratar uma corrente de gás de exaustão |
BR112019020830A2 (pt) | 2017-04-04 | 2020-05-12 | Basf Corporation | Sistema a bordo de veículo, veículo e método para geração de hidrogênio a bordo de veículo |
CN110662890A (zh) | 2017-04-04 | 2020-01-07 | 巴斯夫公司 | 用于NOx排放控制的氨生成系统 |
JP2020515768A (ja) | 2017-04-04 | 2020-05-28 | ビーエーエスエフ コーポレーション | 車載型水素発生および排気流中で使用する方法 |
US10675586B2 (en) | 2017-06-02 | 2020-06-09 | Paccar Inc | Hybrid binary catalysts, methods and uses thereof |
US10835866B2 (en) | 2017-06-02 | 2020-11-17 | Paccar Inc | 4-way hybrid binary catalysts, methods and uses thereof |
WO2018224651A2 (en) | 2017-06-09 | 2018-12-13 | Basf Se | Catalytic article and exhaust gas treatment systems |
KR102698126B1 (ko) | 2017-06-09 | 2024-08-27 | 바스프 코포레이션 | 촉매 물품 및 배기가스 처리 시스템 |
CN107537558B (zh) * | 2017-06-27 | 2020-05-22 | 中国第一汽车股份有限公司 | 具有锚定增强去除NOx的载体催化剂制备方法 |
DE102018121503A1 (de) | 2017-09-05 | 2019-03-07 | Umicore Ag & Co. Kg | Abgasreinigung mit NO-Oxidationskatalysator und SCR-aktivem Partikelfilter |
CN111315482B (zh) * | 2017-09-07 | 2024-01-23 | 巴斯夫公司 | 具有减少的骨架外铝的沸石 |
JP6743796B2 (ja) * | 2017-09-29 | 2020-08-19 | 株式会社デンソー | 電気加熱式触媒 |
JP6743795B2 (ja) * | 2017-09-29 | 2020-08-19 | 株式会社デンソー | 電気加熱式触媒 |
DE102017123447A1 (de) * | 2017-10-10 | 2019-04-11 | Eberspächer Exhaust Technology GmbH & Co. KG | Abgasanlage |
JP2020536727A (ja) | 2017-10-12 | 2020-12-17 | ビーエーエスエフ コーポレーション | NOx吸収体およびSCR触媒の組み合わせ |
CA3081933A1 (en) * | 2017-11-10 | 2019-05-16 | Basf Corporation | Catalyzed soot filter with reduced ammonia oxidation |
JP7158141B2 (ja) * | 2017-11-27 | 2022-10-21 | エヌ・イーケムキャット株式会社 | 触媒用スラリー組成物及びその製造方法、これを用いた触媒の製造方法、並びに、Cu含有ゼオライトの製造方法 |
US10898889B2 (en) * | 2018-01-23 | 2021-01-26 | Umicore Ag & Co. Kg | SCR catalyst and exhaust gas cleaning system |
FR3077507B1 (fr) * | 2018-02-06 | 2022-07-15 | Psa Automobiles Sa | Catalyseur pour le traitement de l’ammoniac issu de la reduction selective des nox |
US10953366B2 (en) * | 2018-04-20 | 2021-03-23 | GM Global Technology Operations LLC | Nitrogen oxides and hydrocarbon storage catalyst and methods of using the same |
US20190376427A1 (en) * | 2018-06-08 | 2019-12-12 | GM Global Technology Operations LLC | Control apparatus and method having a control closed loop observer configuration for scr/scrf component |
US20190376426A1 (en) * | 2018-06-08 | 2019-12-12 | GM Global Technology Operations LLC | Control apparatus and method with nox sensor cross sensitivity for operating an internal combustion engine |
CN108786900A (zh) * | 2018-06-21 | 2018-11-13 | 上海纳米技术及应用国家工程研究中心有限公司 | Cu-SSZ-13分子筛催化剂的制备方法及其产品和应用 |
US11623868B2 (en) * | 2018-08-02 | 2023-04-11 | Basf Se | Process for a continuous synthesis of zeolitic materials using seed crystals loaded with organotemplate |
JP2022508041A (ja) * | 2018-10-30 | 2022-01-19 | ビーエーエスエフ コーポレーション | 前交換した銅ゼオライト材料におけるin-situ銅イオン交換 |
CN109731609B (zh) * | 2019-01-07 | 2020-10-30 | 上海国瓷新材料技术有限公司 | 一种涂层可控的Cu-SSZ-13/多孔陶瓷催化剂及其制备方法与应用 |
GB201900484D0 (en) * | 2019-01-14 | 2019-02-27 | Johnson Matthey Catalysts Germany Gmbh | Iron-loaded small pore aluminosilicate zeolites and method of making metal loaded small pore aluminosilicate zeolites |
CN109647500B (zh) * | 2019-01-17 | 2022-01-07 | 广州市威格林环保科技有限公司 | 一种用于内燃机尾气净化系统的氨氧化催化剂及其制备方法 |
US10906031B2 (en) | 2019-04-05 | 2021-02-02 | Paccar Inc | Intra-crystalline binary catalysts and uses thereof |
US11007514B2 (en) | 2019-04-05 | 2021-05-18 | Paccar Inc | Ammonia facilitated cation loading of zeolite catalysts |
CN110694638B (zh) * | 2019-10-14 | 2022-12-09 | 西安热工研究院有限公司 | 具有疏水性的改性低温scr活性焦催化剂及其制备方法 |
US10934918B1 (en) | 2019-10-14 | 2021-03-02 | Paccar Inc | Combined urea hydrolysis and selective catalytic reduction for emissions control |
CN110523432A (zh) * | 2019-10-29 | 2019-12-03 | 山东国瓷功能材料股份有限公司 | 含铜分子筛Cu-CHA及其催化剂、应用 |
WO2021126935A1 (en) | 2019-12-19 | 2021-06-24 | Basf Corporation | Exhaust treatment system for ammonia-fueled vehicles |
US11098629B2 (en) | 2020-01-23 | 2021-08-24 | Cnh Industrial America Llc | Sensor shields for exhaust treatment systems of work vehicles |
KR20210142496A (ko) * | 2020-05-18 | 2021-11-25 | 현대자동차주식회사 | 선택적 촉매 환원법 촉매의 성능 평가용 표준물질, 이의 제조방법 및 이를 이용한 촉매의 성능 평가 방법 |
EP3919165A1 (en) * | 2020-06-03 | 2021-12-08 | Johnson Matthey Public Limited Company | Method for forming a catalyst article |
JP7516560B2 (ja) * | 2020-06-25 | 2024-07-16 | ビーエーエスエフ コーポレーション | 銅促進ゼオライトを調製する方法 |
RU2736265C1 (ru) * | 2020-07-14 | 2020-11-12 | Федеральное государственное бюджетное учреждение науки «Федеральный исследовательский центр «Институт катализа им. Г.К. Борескова Сибирского отделения Российской академии наук» (Институт катализа СО РАН, ИК СО РАН) | Способ приготовления медьсодержащих цеолитов и их применение |
CN111871456A (zh) * | 2020-08-20 | 2020-11-03 | 江苏博霖环保科技有限公司 | 一步法合成具有cha结构的含铜scr催化剂的制备方法 |
CN112360599A (zh) * | 2020-10-30 | 2021-02-12 | 凯龙高科技股份有限公司 | 基于进气流量的发电内燃机用scr喷射控制系统 |
CN112360600A (zh) * | 2020-10-30 | 2021-02-12 | 凯龙高科技股份有限公司 | 基于进气流量的内燃机测试台架用scr喷射控制系统 |
US11415034B2 (en) | 2020-11-23 | 2022-08-16 | Caterpillar Inc. | Aftertreatment system and method of treating exhaust gases |
CN112675637A (zh) * | 2020-12-31 | 2021-04-20 | 蚌埠国威滤清器有限公司 | 一种蜂窝滤芯 |
CN113351244B (zh) * | 2021-05-25 | 2022-09-16 | 吉林大学 | 一种cha分子筛及其制备方法、脱硝催化剂及其制备方法与应用 |
CN113457731B (zh) * | 2021-07-06 | 2022-08-19 | 中国科学院过程工程研究所 | 一种分子筛催化无机纤维及其制备方法和除尘脱硝一体化应用 |
GB202110212D0 (en) * | 2021-07-15 | 2021-09-01 | Microtech Ceramics Ltd | Washcoat method |
DE102021118803A1 (de) | 2021-07-21 | 2023-01-26 | Umicore Ag & Co. Kg | Abgasreinigungssystem zur Reinigung von Abgasen von Benzinmotoren |
DE102021118802A1 (de) | 2021-07-21 | 2023-01-26 | Umicore Ag & Co. Kg | Abgasreinigungssystem zur Reinigung von Abgasen von Benzinmotoren |
CN117794639A (zh) | 2021-09-24 | 2024-03-29 | 优美科股份公司及两合公司 | 具有低重量和更快加热的用于从柴油机排气后处理系统中去除氨逃逸的催化制品 |
TW202333849A (zh) * | 2021-12-20 | 2023-09-01 | 英商強生麥特公司 | 壓縮天然氣燃燒及排氣系統 |
DE102023101779A1 (de) | 2022-04-11 | 2023-10-12 | Umicore Ag & Co. Kg | Abgassystem für überwiegend stöchiometrisch betriebene Verbrennungsmotoren aufweisend einen Katalysator zur Verminderung der Ammoniakemissionen |
WO2023198572A1 (de) | 2022-04-11 | 2023-10-19 | Umicore Ag & Co. Kg | Abgassystem für überwiegend stöchiometrisch betriebene verbrennungsmotoren aufweisend einen katalysator zur verminderung der ammoniakemissionen |
WO2023244279A1 (en) | 2022-06-17 | 2023-12-21 | Basf Corporation | Exhaust treatment system for ammonia-fueled vehicles |
CN115364856B (zh) * | 2022-09-20 | 2023-11-07 | 西北工业大学 | 一种用于果糖加氢制甘露醇的催化剂及其制备方法 |
Family Cites Families (141)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE394541C (de) | 1922-10-24 | 1924-04-22 | Gutberlet & Co A | Seitenziehmarke fuer Druckpressen, Falzmaschinen u. dgl. |
US3346328A (en) | 1967-03-30 | 1967-10-10 | Francis J Sergeys | Method of treating exhaust gases |
US4220632A (en) | 1974-09-10 | 1980-09-02 | The United States Of America As Represented By The United States Department Of Energy | Reduction of nitrogen oxides with catalytic acid resistant aluminosilicate molecular sieves and ammonia |
JPS51147470A (en) | 1975-06-12 | 1976-12-17 | Toa Nenryo Kogyo Kk | A process for catalytic reduction of nitrogen oxides |
JPS5242489A (en) * | 1976-05-20 | 1977-04-02 | Toa Nenryo Kogyo Kk | Nox-reduction catalyst and method of producing thereof |
US4503023A (en) | 1979-08-14 | 1985-03-05 | Union Carbide Corporation | Silicon substituted zeolite compositions and process for preparing same |
US4297328A (en) | 1979-09-28 | 1981-10-27 | Union Carbide Corporation | Three-way catalytic process for gaseous streams |
US4544538A (en) | 1982-07-09 | 1985-10-01 | Chevron Research Company | Zeolite SSZ-13 and its method of preparation |
US4440871A (en) | 1982-07-26 | 1984-04-03 | Union Carbide Corporation | Crystalline silicoaluminophosphates |
US4567029A (en) | 1983-07-15 | 1986-01-28 | Union Carbide Corporation | Crystalline metal aluminophosphates |
JPS60125250A (ja) | 1983-12-08 | 1985-07-04 | Shiyuuichi Kagawa | 窒素酸化物の接触分解触媒及びその使用方法 |
JPS60125250U (ja) | 1984-02-03 | 1985-08-23 | 河合 秀俊 | 前側方確認用ミラ−装置 |
JPS61155181A (ja) | 1984-12-28 | 1986-07-14 | 株式会社東芝 | エレベ−タの位置検出装置 |
US4735927A (en) | 1985-10-22 | 1988-04-05 | Norton Company | Catalyst for the reduction of oxides of nitrogen |
US4735930A (en) | 1986-02-18 | 1988-04-05 | Norton Company | Catalyst for the reduction of oxides of nitrogen |
US4732584A (en) | 1986-05-22 | 1988-03-22 | Air Products And Chemicals, Inc. | Process for the purification of permanent gases using chabazite adsorbents |
JPS6351948A (ja) * | 1986-08-21 | 1988-03-05 | Mitsubishi Heavy Ind Ltd | 排煙脱硝触媒 |
JPH0611381B2 (ja) | 1986-10-17 | 1994-02-16 | 株式会社豊田中央研究所 | 排ガス浄化方法 |
US4861743A (en) | 1987-11-25 | 1989-08-29 | Uop | Process for the production of molecular sieves |
US4867954A (en) | 1988-04-07 | 1989-09-19 | Uop | Catalytic reduction of nitrogen oxides |
US4874590A (en) | 1988-04-07 | 1989-10-17 | Uop | Catalytic reduction of nitrogen oxides |
US5011667A (en) | 1988-09-08 | 1991-04-30 | Engelhard Corporation | Self-bound sodium chabazite aggregates and methods for preparation thereof |
EP0369576B1 (en) | 1988-11-18 | 1994-06-15 | Corning Incorporated | Molecular sieve-palladium-platinum catalyst on a substrate |
JP2557712B2 (ja) | 1988-12-27 | 1996-11-27 | 株式会社豊田中央研究所 | 排気ガス浄化方法 |
FR2645141B1 (fr) | 1989-03-31 | 1992-05-29 | Elf France | Procede de synthese de precurseurs de tamis moleculaires du type silicoaluminophosphate, precurseurs obtenus et leur application a l'obtention desdits tamis moleculaires |
US4961917A (en) | 1989-04-20 | 1990-10-09 | Engelhard Corporation | Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts |
US5024981A (en) | 1989-04-20 | 1991-06-18 | Engelhard Corporation | Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same |
JP2533371B2 (ja) | 1989-05-01 | 1996-09-11 | 株式会社豊田中央研究所 | 排気ガス浄化用触媒 |
US5477014A (en) | 1989-07-28 | 1995-12-19 | Uop | Muffler device for internal combustion engines |
JPH04193710A (ja) * | 1990-11-26 | 1992-07-13 | Tosoh Corp | 銅含有ゼオライトの製造方法 |
US5233117A (en) | 1991-02-28 | 1993-08-03 | Uop | Methanol conversion processes using syocatalysts |
JPH0557194A (ja) | 1991-07-06 | 1993-03-09 | Toyota Motor Corp | 排気ガス浄化用触媒の製造方法 |
JP2887984B2 (ja) | 1991-09-20 | 1999-05-10 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP3303341B2 (ja) | 1992-07-30 | 2002-07-22 | 三菱化学株式会社 | ベータ型ゼオライトの製造方法 |
US6171556B1 (en) | 1992-11-12 | 2001-01-09 | Engelhard Corporation | Method and apparatus for treating an engine exhaust gas stream |
JP3321214B2 (ja) * | 1992-11-16 | 2002-09-03 | エヌ・イーケムキャット株式会社 | 排気ガス浄化用触媒 |
US6248684B1 (en) | 1992-11-19 | 2001-06-19 | Englehard Corporation | Zeolite-containing oxidation catalyst and method of use |
CA2146244A1 (en) | 1992-11-19 | 1994-05-26 | Patrick Lee Burk | Method and apparatus for treating an engine exhaust gas stream |
JPH06238131A (ja) * | 1992-12-24 | 1994-08-30 | Tosoh Corp | 窒素酸化物の除去方法 |
DE69427932T2 (de) | 1993-05-10 | 2002-04-04 | Cosmo Oil Co. Ltd., Tokio/Tokyo | Katalysator zur katalytischen Reduktion von Stickstoffoxiden |
US5417949A (en) | 1993-08-25 | 1995-05-23 | Mobil Oil Corporation | NOx abatement process |
DE69418055T2 (de) | 1993-11-09 | 1999-09-16 | Union Carbide Chemicals & Plastics Technology Corp., Danbury | Absorption von mercaptanen |
JPH07155614A (ja) | 1993-12-07 | 1995-06-20 | Toyota Motor Corp | 排気ガス浄化用触媒の製造方法 |
JPH07232035A (ja) | 1994-02-21 | 1995-09-05 | Toray Ind Inc | 窒素酸化物の浄化方法および浄化装置 |
DE4416862A1 (de) | 1994-05-13 | 1996-02-22 | Basf Ag | Expandierbare Styrolpolymerisate |
US5589147A (en) * | 1994-07-07 | 1996-12-31 | Mobil Oil Corporation | Catalytic system for the reducton of nitrogen oxides |
US5529686A (en) | 1994-07-15 | 1996-06-25 | Minnesota Mining And Manufacturing Company | Composite membranes for solid phase extractions and reactions |
JP3375790B2 (ja) | 1995-06-23 | 2003-02-10 | 日本碍子株式会社 | 排ガス浄化システム及び排ガス浄化方法 |
JPH0938464A (ja) * | 1995-07-27 | 1997-02-10 | Idemitsu Kosan Co Ltd | 排ガス浄化用触媒及びこれを使用した排ガスの浄化方法 |
US6133185A (en) | 1995-11-09 | 2000-10-17 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purifying catalyst |
JPH10180041A (ja) | 1996-12-20 | 1998-07-07 | Ngk Insulators Ltd | 排ガス浄化用触媒及び排ガス浄化システム |
JPH10272341A (ja) * | 1997-03-28 | 1998-10-13 | Sekiyu Sangyo Kasseika Center | 窒素酸化物の除去方法 |
JPH11114413A (ja) | 1997-10-09 | 1999-04-27 | Ngk Insulators Ltd | 排ガス浄化用吸着材 |
US6162415A (en) | 1997-10-14 | 2000-12-19 | Exxon Chemical Patents Inc. | Synthesis of SAPO-44 |
JPH11179158A (ja) | 1997-10-15 | 1999-07-06 | Ngk Insulators Ltd | 小細孔多孔体を含む自動車排ガス浄化用の吸着材及び吸着体、これを用いた排ガス浄化システム及び排ガス浄化方法 |
AU3765299A (en) | 1998-05-07 | 1999-11-23 | Engelhard Corporation | Catalyzed hydrocarbon trap and method using the same |
DE19820515A1 (de) * | 1998-05-08 | 1999-11-11 | Alsi Penta Zeolithe Gmbh | Verfahren zur Herstellung eines Katalysators für die Reinigung von Abgasen, die Stickstoffoxide in Gegenwart von Sauerstoff und Wasser enthalten |
JP3580163B2 (ja) | 1998-06-04 | 2004-10-20 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US6576203B2 (en) | 1998-06-29 | 2003-06-10 | Ngk Insulators, Ltd. | Reformer |
EP1105348B1 (en) | 1998-07-29 | 2003-04-02 | ExxonMobil Chemical Patents Inc. | Crystalline molecular sieves |
EP1005904A3 (en) | 1998-10-30 | 2000-06-14 | The Boc Group, Inc. | Adsorbents and adsorptive separation process |
DE19854502A1 (de) | 1998-11-25 | 2000-05-31 | Siemens Ag | Katalysatorkörper und Verfahren zum Abbau von Stickoxiden |
KR100293531B1 (ko) | 1998-12-24 | 2001-10-26 | 윤덕용 | 이산화탄소로부터탄화수소생성을위한혼성촉매 |
US6316683B1 (en) | 1999-06-07 | 2001-11-13 | Exxonmobil Chemical Patents Inc. | Protecting catalytic activity of a SAPO molecular sieve |
US6395674B1 (en) | 1999-06-07 | 2002-05-28 | Exxon Mobil Chemical Patents, Inc. | Heat treating a molecular sieve and catalyst |
US6503863B2 (en) | 1999-06-07 | 2003-01-07 | Exxonmobil Chemical Patents, Inc. | Heat treating a molecular sieve and catalyst |
JP3350707B2 (ja) * | 1999-08-02 | 2002-11-25 | 独立行政法人産業技術総合研究所 | 金属イオン交換ゼオライトを用いた第三級カルボン酸及びそのエステルの製造方法 |
JP4352516B2 (ja) | 1999-08-03 | 2009-10-28 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
ES2250035T3 (es) | 2000-03-01 | 2006-04-16 | UMICORE AG & CO. KG | Catalizador para la purificacion de los gases de escape de motores diesel y proceso para su preparacion. |
US6606856B1 (en) | 2000-03-03 | 2003-08-19 | The Lubrizol Corporation | Process for reducing pollutants from the exhaust of a diesel engine |
US6416732B1 (en) | 2000-03-23 | 2002-07-09 | Engelhard Corporation | Method of forming aluminosilicate zeolites |
DE10020100A1 (de) * | 2000-04-22 | 2001-10-31 | Dmc2 Degussa Metals Catalysts | Verfahren und Katalysator zur Reduktion von Stickoxiden |
US6826906B2 (en) | 2000-08-15 | 2004-12-07 | Engelhard Corporation | Exhaust system for enhanced reduction of nitrogen oxides and particulates from diesel engines |
JP3571642B2 (ja) | 2000-11-16 | 2004-09-29 | トヨタ自動車株式会社 | 排気浄化装置用の還元剤 |
DE10059520A1 (de) | 2000-11-30 | 2001-05-17 | Univ Karlsruhe | Verfahren zur Abtrennung von Zeolith-Kristallen aus Flüssigkeiten |
US6794141B2 (en) | 2000-12-22 | 2004-09-21 | Arcturus Bioscience, Inc. | Nucleic acid amplification |
US20020084223A1 (en) | 2000-12-28 | 2002-07-04 | Feimer Joseph L. | Removal of sulfur from naphtha streams using high silica zeolites |
EP2826552A1 (en) | 2001-01-05 | 2015-01-21 | Air Products And Chemicals, Inc. | Slurry employed to obtain adsorbent laminates for psa processes and its method of preparation |
CA2437737A1 (en) | 2001-02-14 | 2002-08-22 | Stephen D. Ginsberg | Methods and compositions of amplifying rna |
US20050096214A1 (en) | 2001-03-01 | 2005-05-05 | Janssen Marcel J. | Silicoaluminophosphate molecular sieve |
JP5189236B2 (ja) | 2001-07-25 | 2013-04-24 | 日本碍子株式会社 | 排ガス浄化用ハニカム構造体及び排ガス浄化用ハニカム触媒体 |
US6709644B2 (en) * | 2001-08-30 | 2004-03-23 | Chevron U.S.A. Inc. | Small crystallite zeolite CHA |
US6914026B2 (en) | 2001-09-07 | 2005-07-05 | Engelhard Corporation | Hydrothermally stable metal promoted zeolite beta for NOx reduction |
US7014827B2 (en) | 2001-10-23 | 2006-03-21 | Machteld Maria Mertens | Synthesis of silicoaluminophosphates |
US6696032B2 (en) | 2001-11-29 | 2004-02-24 | Exxonmobil Chemical Patents Inc. | Process for manufacturing a silicoaluminophosphate molecular sieve |
US6660682B2 (en) | 2001-11-30 | 2003-12-09 | Exxon Mobil Chemical Patents Inc. | Method of synthesizing molecular sieves |
US6685905B2 (en) | 2001-12-21 | 2004-02-03 | Exxonmobil Chemical Patents Inc. | Silicoaluminophosphate molecular sieves |
AU2002367007A1 (en) | 2002-01-03 | 2003-07-30 | Exxon Mobil Chemical Patents Inc. | Stabilisation of acid catalysts |
JP2003290629A (ja) | 2002-04-02 | 2003-10-14 | Nissan Motor Co Ltd | 排ガス浄化システム |
DK1876247T3 (da) | 2002-07-08 | 2013-07-01 | Basf Corp | Metalforbindelse fjernelse |
JP2005514319A (ja) | 2002-10-24 | 2005-05-19 | エクソンモービル・ケミカル・パテンツ・インク | 酸触媒の安定化 |
US6928806B2 (en) | 2002-11-21 | 2005-08-16 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
DE10257113A1 (de) | 2002-12-05 | 2004-06-24 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Partikelfalle mit beschichteter Faserlage |
US7049261B2 (en) | 2003-02-27 | 2006-05-23 | General Motors Corporation | Zeolite catalyst and preparation process for NOx reduction |
JP4413520B2 (ja) | 2003-04-17 | 2010-02-10 | 株式会社アイシーティー | 排ガス浄化用触媒及びその触媒を用いた排ガスの浄化方法 |
DE602004022282D1 (de) | 2003-05-09 | 2009-09-10 | Genisphere Inc | Verfahren zur amplifikation von nukleinsäuresequenzen mittels gestaffelter ligation |
EP1520614B1 (en) * | 2003-06-10 | 2007-08-08 | Ibiden Co., Ltd. | Honeycomb structure body |
US7229597B2 (en) * | 2003-08-05 | 2007-06-12 | Basfd Catalysts Llc | Catalyzed SCR filter and emission treatment system |
CN1246223C (zh) | 2003-09-03 | 2006-03-22 | 中国石油化工股份有限公司 | 合成硅磷铝分子筛的方法 |
CN100577564C (zh) | 2003-12-23 | 2010-01-06 | 埃克森美孚化学专利公司 | 菱沸石型分子筛、其合成及其在含氧化合物转化成烯烃中的应用 |
WO2005113126A1 (en) * | 2004-04-28 | 2005-12-01 | Geo2 Technologies, Inc. | Nonwoven composites and related products and methods |
NL1026207C2 (nl) | 2004-05-17 | 2005-11-21 | Stichting Energie | Werkwijze voor de decompositie van N2O, katalysator daarvoor en bereiding van deze katalysator. |
WO2006006702A1 (ja) | 2004-07-15 | 2006-01-19 | Nikki-Universal Co., Ltd. | 有機窒素化合物含有排ガスの浄化用触媒、および同排ガスの浄化方法 |
ES2312008T3 (es) | 2004-07-26 | 2009-02-16 | Dow Global Technologies Inc. | Filtro de hollin catalizado mejorado. |
US7481983B2 (en) | 2004-08-23 | 2009-01-27 | Basf Catalysts Llc | Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia |
JP2006089300A (ja) | 2004-09-21 | 2006-04-06 | Nippon Gas Gosei Kk | Sapo−34の製造方法、および、プロパンを主成分とする液化石油ガスの製造方法 |
US20060115403A1 (en) | 2004-11-29 | 2006-06-01 | Chevron U.S.A. Inc. | Reduction of oxides of nitrogen in a gas stream using high-silics molecular sieve CHA |
WO2006064805A1 (ja) | 2004-12-17 | 2006-06-22 | Munekatsu Furugen | ディーゼルエンジンの排気ガス用電気式処理方法およびその装置 |
WO2006093802A2 (en) | 2005-02-28 | 2006-09-08 | Catalytic Solutions, Inc. | Catalyst and method for reducing nitrogen oxides in exhaust streams with hydrocarbons or alcohols |
WO2006103754A1 (ja) | 2005-03-30 | 2006-10-05 | Sued-Chemie Catalysts Japan, Inc. | アンモニア分解触媒および該触媒を用いたアンモニア分解方法 |
MX2007012265A (es) | 2005-04-27 | 2007-12-07 | Grace W R & Co | Composiciones y proceso para reducir emisiones de nox durante craqueo catalitico de fluido. |
JP4497484B2 (ja) * | 2005-05-30 | 2010-07-07 | 国立大学法人東京工業大学 | 導電性マイエナイト型化合物の製造方法 |
US7550264B2 (en) | 2005-06-10 | 2009-06-23 | Datascope Investment Corporation | Methods and kits for sense RNA synthesis |
US7879295B2 (en) | 2005-06-30 | 2011-02-01 | General Electric Company | Conversion system for reducing NOx emissions |
WO2007004774A1 (en) | 2005-07-06 | 2007-01-11 | Heesung Catalysts Corporation | An oxidation catalyst for nh3 and an apparatus for treating slipped or scrippedd nh3 |
US8048402B2 (en) | 2005-08-18 | 2011-11-01 | Exxonmobil Chemical Patents Inc. | Synthesis of molecular sieves having the chabazite framework type and their use in the conversion of oxygenates to olefins |
US7211232B1 (en) * | 2005-11-07 | 2007-05-01 | Geo2 Technologies, Inc. | Refractory exhaust filtering method and apparatus |
US20070149385A1 (en) | 2005-12-23 | 2007-06-28 | Ke Liu | Catalyst system for reducing nitrogen oxide emissions |
US8383080B2 (en) | 2006-06-09 | 2013-02-26 | Exxonmobil Chemical Patents Inc. | Treatment of CHA-type molecular sieves and their use in the conversion of oxygenates to olefins |
US7576031B2 (en) | 2006-06-09 | 2009-08-18 | Basf Catalysts Llc | Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function |
KR101362685B1 (ko) | 2006-07-08 | 2014-02-13 | 우미코레 아게 운트 코 카게 | 환원제로서 암모니아를 사용하여 희박 혼합 기관의 배기 가스로부터의 질소 산화물을 환원시키기 위한 구조화된 scr 촉매 |
CN101121532A (zh) | 2006-08-08 | 2008-02-13 | 中国科学院大连化学物理研究所 | 一种小孔磷硅铝分子筛的金属改性方法 |
US8800268B2 (en) | 2006-12-01 | 2014-08-12 | Basf Corporation | Zone coated filter, emission treatment systems and methods |
CN101687143B (zh) | 2007-01-31 | 2013-01-02 | 巴斯福催化剂公司 | 包含多孔壁蜂窝体的气体催化剂 |
US7998423B2 (en) | 2007-02-27 | 2011-08-16 | Basf Corporation | SCR on low thermal mass filter substrates |
JP5683111B2 (ja) * | 2007-02-27 | 2015-03-11 | ビーエーエスエフ コーポレーション | 銅chaゼオライト触媒 |
WO2008118434A1 (en) | 2007-03-26 | 2008-10-02 | Pq Corporation | Novel microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure and methods of making and using same |
US10384162B2 (en) | 2007-03-26 | 2019-08-20 | Pq Corporation | High silica chabazite for selective catalytic reduction, methods of making and using same |
CA2939726C (en) | 2007-04-26 | 2019-06-18 | Johnson Matthey Public Limited Company | Transition metal/zeolite scr catalysts |
EP2689846A1 (en) | 2007-08-13 | 2014-01-29 | PQ Corporation | Selective catalytic reduction of nitrogen oxides in the presence of iron-containing aluminosilicate zeolites |
EP2208685B1 (en) * | 2007-10-29 | 2012-06-27 | Shikoku Kakoh Co., Ltd. | Film for food packaging |
US8151558B2 (en) | 2008-01-31 | 2012-04-10 | Caterpillar Inc. | Exhaust system implementing SCR and EGR |
US20090196812A1 (en) | 2008-01-31 | 2009-08-06 | Basf Catalysts Llc | Catalysts, Systems and Methods Utilizing Non-Zeolitic Metal-Containing Molecular Sieves Having the CHA Crystal Structure |
US8524185B2 (en) * | 2008-11-03 | 2013-09-03 | Basf Corporation | Integrated SCR and AMOx catalyst systems |
US9662611B2 (en) * | 2009-04-03 | 2017-05-30 | Basf Corporation | Emissions treatment system with ammonia-generating and SCR catalysts |
WO2010121257A1 (en) | 2009-04-17 | 2010-10-21 | Johnson Matthey Public Limited Company | Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides |
US8293199B2 (en) | 2009-12-18 | 2012-10-23 | Basf Corporation | Process for preparation of copper containing molecular sieves with the CHA structure, catalysts, systems and methods |
US8293198B2 (en) * | 2009-12-18 | 2012-10-23 | Basf Corporation | Process of direct copper exchange into Na+-form of chabazite molecular sieve, and catalysts, systems and methods |
US9120056B2 (en) | 2010-02-16 | 2015-09-01 | Ford Global Technologies, Llc | Catalyst assembly for treating engine exhaust |
US8101146B2 (en) | 2011-04-08 | 2012-01-24 | Johnson Matthey Public Limited Company | Catalysts for the reduction of ammonia emission from rich-burn exhaust |
US8789356B2 (en) * | 2011-07-28 | 2014-07-29 | Johnson Matthey Public Limited Company | Zoned catalytic filters for treatment of exhaust gas |
-
2008
- 2008-02-22 US US12/036,019 patent/US7998423B2/en not_active Expired - Fee Related
- 2008-02-27 PL PL13155779T patent/PL2656913T3/pl unknown
- 2008-02-27 ES ES13155783.7T patent/ES2618458T3/es active Active
- 2008-02-27 CN CN2008800137327A patent/CN101674876B/zh not_active Expired - Fee Related
- 2008-02-27 ES ES13155779.5T patent/ES2618416T3/es active Active
- 2008-02-27 RU RU2009135862/04A patent/RU2449834C2/ru not_active IP Right Cessation
- 2008-02-27 ES ES13155773.8T patent/ES2618452T3/es active Active
- 2008-02-27 KR KR1020097020120A patent/KR101473030B1/ko not_active IP Right Cessation
- 2008-02-27 EP EP15165430.8A patent/EP2979758A1/en not_active Withdrawn
- 2008-02-27 EP EP13155783.7A patent/EP2653220B1/en active Active
- 2008-02-27 JP JP2009551820A patent/JP5592653B2/ja not_active Expired - Fee Related
- 2008-02-27 EP EP13155779.5A patent/EP2656913B1/en active Active
- 2008-02-27 EP EP13155773.8A patent/EP2653219B1/en active Active
- 2008-02-27 EP EP08730850A patent/EP2117681A4/en not_active Withdrawn
- 2008-02-27 WO PCT/US2008/055138 patent/WO2008106518A2/en active Application Filing
- 2008-02-27 MY MYPI20093536 patent/MY150864A/en unknown
-
2011
- 2011-07-14 US US13/182,581 patent/US8119088B2/en not_active Expired - Fee Related
-
2013
- 2013-03-08 US US13/790,973 patent/US8735311B2/en active Active
-
2014
- 2014-04-04 US US14/245,712 patent/US20140219879A1/en not_active Abandoned
-
2015
- 2015-01-16 US US14/598,809 patent/US9162218B2/en active Active
- 2015-01-16 US US14/598,854 patent/US9138732B2/en active Active
- 2015-01-20 JP JP2015008493A patent/JP5965501B2/ja active Active
- 2015-12-17 US US14/973,560 patent/US9839905B2/en active Active
- 2015-12-17 US US14/973,353 patent/US9656254B2/en active Active
-
2016
- 2016-06-29 JP JP2016128928A patent/JP6325024B2/ja active Active
-
2017
- 2017-11-07 US US15/806,167 patent/US10654031B2/en active Active
-
2020
- 2020-04-22 US US16/855,514 patent/US11529619B2/en active Active
-
2022
- 2022-11-15 US US18/055,708 patent/US11845067B2/en active Active
-
2023
- 2023-11-20 US US18/513,785 patent/US20240091751A1/en active Pending
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6325024B2 (ja) | 銅chaゼオライト触媒 | |
JP5683111B2 (ja) | 銅chaゼオライト触媒 | |
US11660585B2 (en) | Chabazite zeolite catalysts having low silica to alumina ratios | |
BRPI0808091B1 (pt) | Catalyst, exhaust gas treatment system, process for the reduction of nitrogen oxides, and, catalyst article. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20151222 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160105 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160315 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160614 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160701 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5965501 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |