JP2013512086A5 - - Google Patents
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- JP2013512086A5 JP2013512086A5 JP2012540510A JP2012540510A JP2013512086A5 JP 2013512086 A5 JP2013512086 A5 JP 2013512086A5 JP 2012540510 A JP2012540510 A JP 2012540510A JP 2012540510 A JP2012540510 A JP 2012540510A JP 2013512086 A5 JP2013512086 A5 JP 2013512086A5
- Authority
- JP
- Japan
- Prior art keywords
- molecular sieve
- catalyst
- exhaust gas
- zone
- catalyst composition
- 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.)
- Granted
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- 239000002808 molecular sieve Substances 0.000 claims description 192
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 192
- 239000003054 catalyst Substances 0.000 claims description 160
- 239000007789 gas Substances 0.000 claims description 82
- 239000000203 mixture Substances 0.000 claims description 55
- 239000010949 copper Substances 0.000 claims description 39
- 239000003638 chemical reducing agent Substances 0.000 claims description 35
- 239000000758 substrate Substances 0.000 claims description 35
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 28
- 229910052802 copper Inorganic materials 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- YPFNIPKMNMDDDB-UHFFFAOYSA-K 2-[2-[bis(carboxylatomethyl)amino]ethyl-(2-hydroxyethyl)amino]acetate;iron(3+) Chemical compound [Fe+3].OCCN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O YPFNIPKMNMDDDB-UHFFFAOYSA-K 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 81
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 61
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 50
- 239000010457 zeolite Substances 0.000 description 49
- 239000011148 porous material Substances 0.000 description 48
- 229910021536 Zeolite Inorganic materials 0.000 description 42
- 229910052742 iron Inorganic materials 0.000 description 36
- 238000006243 chemical reaction Methods 0.000 description 35
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 23
- 229910052751 metal Inorganic materials 0.000 description 20
- 239000002184 metal Substances 0.000 description 20
- 229910052723 transition metal Inorganic materials 0.000 description 20
- 150000003624 transition metals Chemical group 0.000 description 20
- 229910004298 SiO 2 Inorganic materials 0.000 description 17
- 230000000694 effects Effects 0.000 description 17
- 230000001052 transient effect Effects 0.000 description 16
- 230000001186 cumulative effect Effects 0.000 description 14
- 230000003647 oxidation Effects 0.000 description 14
- 238000007254 oxidation reaction Methods 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 13
- 229930195733 hydrocarbon Natural products 0.000 description 13
- 150000002430 hydrocarbons Chemical class 0.000 description 13
- 230000004044 response Effects 0.000 description 13
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 12
- 229910000323 aluminium silicate Inorganic materials 0.000 description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 12
- 229910021529 ammonia Inorganic materials 0.000 description 11
- 238000011068 loading method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 10
- 230000009467 reduction Effects 0.000 description 9
- 238000006722 reduction reaction Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 8
- 229910052748 manganese Inorganic materials 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 8
- 229910052684 Cerium Inorganic materials 0.000 description 7
- 238000010531 catalytic reduction reaction Methods 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 7
- 229910052763 palladium Inorganic materials 0.000 description 7
- 229910052697 platinum Inorganic materials 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- 238000004939 coking Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 229910052703 rhodium Inorganic materials 0.000 description 5
- 239000010948 rhodium Substances 0.000 description 5
- -1 silicon cations Chemical class 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 4
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 229910001657 ferrierite group Inorganic materials 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- 229910052741 iridium Inorganic materials 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 229910052702 rhenium Inorganic materials 0.000 description 4
- 229910052707 ruthenium Inorganic materials 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000010944 silver (metal) Substances 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 4
- GHOKWGTUZJEAQD-ZETCQYMHSA-N (D)-(+)-Pantothenic acid Chemical compound OCC(C)(C)[C@@H](O)C(=O)NCCC(O)=O GHOKWGTUZJEAQD-ZETCQYMHSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 229910001683 gmelinite Inorganic materials 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052680 mordenite Inorganic materials 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052878 cordierite Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 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 2
- 239000012467 final product Substances 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 239000002638 heterogeneous catalyst Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000006193 liquid solution Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 229910000505 Al2TiO5 Inorganic materials 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- 238000004435 EPR spectroscopy Methods 0.000 description 1
- 229910018879 Pt—Pd Inorganic materials 0.000 description 1
- 230000010757 Reduction Activity Effects 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- FYAMXEPQQLNQDM-UHFFFAOYSA-N Tris(1-aziridinyl)phosphine oxide Chemical compound C1CN1P(N1CC1)(=O)N1CC1 FYAMXEPQQLNQDM-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- JYIBXUUINYLWLR-UHFFFAOYSA-N aluminum;calcium;potassium;silicon;sodium;trihydrate Chemical compound O.O.O.[Na].[Al].[Si].[K].[Ca] JYIBXUUINYLWLR-UHFFFAOYSA-N 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910001603 clinoptilolite Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012013 faujasite Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000000843 powder Substances 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
- 238000002407 reforming Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 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
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0920927.1 | 2009-11-30 | ||
| GB0920927.1A GB2475740B (en) | 2009-11-30 | 2009-11-30 | Catalysts for treating transient NOx emissions |
| PCT/IB2010/003186 WO2011064666A2 (en) | 2009-11-30 | 2010-11-30 | Catalysts for treating transient nox emissions |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012189218A Division JP6391905B2 (ja) | 2009-11-30 | 2012-08-29 | 過渡ＮＯｘ排気ガスを処理するための触媒 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013512086A JP2013512086A (ja) | 2013-04-11 |
| JP2013512086A5 true JP2013512086A5 (https=) | 2015-03-26 |
| JP5836966B2 JP5836966B2 (ja) | 2015-12-24 |
Family
ID=41572892
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012540510A Active JP5836966B2 (ja) | 2009-11-30 | 2010-11-30 | 過渡ＮＯｘ排気ガスを処理するための触媒 |
| JP2012189218A Active JP6391905B2 (ja) | 2009-11-30 | 2012-08-29 | 過渡ＮＯｘ排気ガスを処理するための触媒 |
| JP2016059227A Active JP6266677B2 (ja) | 2009-11-30 | 2016-03-23 | 過渡ＮＯｘ排気ガスを処理するための触媒 |
| JP2018097175A Active JP6600046B2 (ja) | 2009-11-30 | 2018-05-21 | 過渡ＮＯｘ排気ガスを処理するための触媒 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012189218A Active JP6391905B2 (ja) | 2009-11-30 | 2012-08-29 | 過渡ＮＯｘ排気ガスを処理するための触媒 |
| JP2016059227A Active JP6266677B2 (ja) | 2009-11-30 | 2016-03-23 | 過渡ＮＯｘ排気ガスを処理するための触媒 |
| JP2018097175A Active JP6600046B2 (ja) | 2009-11-30 | 2018-05-21 | 過渡ＮＯｘ排気ガスを処理するための触媒 |
Country Status (9)
| Country | Link |
|---|---|
| US (3) | US20120275977A1 (https=) |
| EP (2) | EP2506969B1 (https=) |
| JP (4) | JP5836966B2 (https=) |
| KR (5) | KR101985158B1 (https=) |
| CN (3) | CN104588092B (https=) |
| BR (2) | BR112012013026B1 (https=) |
| GB (1) | GB2475740B (https=) |
| RU (2) | RU2582341C2 (https=) |
| WO (1) | WO2011064666A2 (https=) |
Families Citing this family (110)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| GB2475740B (en) * | 2009-11-30 | 2017-06-07 | Johnson Matthey Plc | Catalysts for treating transient NOx emissions |
| WO2011112949A1 (en) * | 2010-03-11 | 2011-09-15 | Johnson Matthey Public Limited Company | DISORDERED MOLECULAR SIEVE SUPPORTS FOR THE SELECTIVE CATALYTIC REDUCTION OF NOx |
| EP2555866B1 (en) * | 2010-04-08 | 2019-10-09 | Basf Se | Catalyst comprising Cu-CHA and Fe-MFI zeolite and process for treating NOx in gas streams |
| US9352307B2 (en) | 2010-04-08 | 2016-05-31 | Basf Corporation | Cu-CHA/Fe-MFI mixed zeolite catalyst and process for the treatment of NOx in gas streams |
| WO2012117042A2 (de) | 2011-03-03 | 2012-09-07 | Umicore Ag & Co. Kg | Katalytisch aktives material und katalysator zur selektiven katalytischen reduktion von stickoxiden |
| EP2495032A1 (de) * | 2011-03-03 | 2012-09-05 | Umicore Ag & Co. Kg | SCR-Katalysator mit verbesserter Kohlenwasserstoffresistenz |
| US8629781B2 (en) * | 2011-05-05 | 2014-01-14 | GM Global Technology Operations LLC | Efficiency determination for a selective-catalytic-reduction catalyst |
| WO2012157700A1 (ja) * | 2011-05-17 | 2012-11-22 | 東ソー株式会社 | β型鉄シリケート組成物及び窒素酸化物還元方法 |
| CN106423258B (zh) * | 2011-06-05 | 2019-03-08 | 庄信万丰股份有限公司 | 用于处理废气的pgm催化剂 |
| US10226762B1 (en) * | 2011-06-17 | 2019-03-12 | Johnson Matthey Public Limited Company | Alumina binders for SCR catalysts |
| US8789356B2 (en) * | 2011-07-28 | 2014-07-29 | Johnson Matthey Public Limited Company | Zoned catalytic filters for treatment of exhaust gas |
| BR112014002409B1 (pt) | 2011-08-03 | 2020-03-10 | Johnson Matthey Plc | Método para a produção de catalisador alveolar extrusado. |
| 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 |
| CN104066508B (zh) * | 2011-10-05 | 2018-02-06 | 巴斯夫欧洲公司 | Cu‑CHA/Fe‑BEA混合沸石催化剂和处理气流中的NOX的方法 |
| US8772476B2 (en) * | 2011-10-28 | 2014-07-08 | Honeywell International Inc. | Gas and liquid phase catalytic Beckmann rearrangement of oximes to produce lactams |
| CN104080532A (zh) * | 2011-12-01 | 2014-10-01 | 庄信万丰股份有限公司 | 用于处理废气的催化剂 |
| EP3326714A1 (en) * | 2012-01-31 | 2018-05-30 | Johnson Matthey Public Limited Company | Catalyst blends |
| JP6127232B2 (ja) * | 2012-07-19 | 2017-05-17 | 株式会社 Ａｃｒ | 抗シンタリング触媒 |
| CN107335425B (zh) * | 2012-08-17 | 2020-12-01 | 庄信万丰股份有限公司 | 沸石助催化的V/Ti/W催化剂 |
| US9242238B2 (en) * | 2012-10-19 | 2016-01-26 | Basf Corporation | Mixed metal 8-ring small pore molecular sieve catalyst compositions, catalytic articles, systems, and methods |
| US9038369B2 (en) * | 2013-02-13 | 2015-05-26 | Cummins Inc. | Systems and methods for aftertreatment system diagnostics |
| US9017626B2 (en) * | 2013-03-14 | 2015-04-28 | Basf Corporation | Selective catalytic reduction catalyst system |
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