JP5958070B2 - β型鉄シリケート組成物及び窒素酸化物還元方法 - Google Patents
β型鉄シリケート組成物及び窒素酸化物還元方法 Download PDFInfo
- Publication number
- JP5958070B2 JP5958070B2 JP2012113770A JP2012113770A JP5958070B2 JP 5958070 B2 JP5958070 B2 JP 5958070B2 JP 2012113770 A JP2012113770 A JP 2012113770A JP 2012113770 A JP2012113770 A JP 2012113770A JP 5958070 B2 JP5958070 B2 JP 5958070B2
- Authority
- JP
- Japan
- Prior art keywords
- composition
- type
- nitrogen oxide
- iron silicate
- type iron
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 359
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 333
- 229910052742 iron Inorganic materials 0.000 title claims description 183
- 239000000203 mixture Substances 0.000 title claims description 154
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 title claims description 125
- 230000009467 reduction Effects 0.000 title claims description 89
- 238000000034 method Methods 0.000 title claims description 35
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 85
- 239000010457 zeolite Substances 0.000 claims description 78
- 229910021536 Zeolite Inorganic materials 0.000 claims description 77
- 239000013078 crystal Substances 0.000 claims description 51
- 239000003054 catalyst Substances 0.000 claims description 38
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 15
- 239000011737 fluorine Substances 0.000 claims description 14
- 229910052731 fluorine Inorganic materials 0.000 claims description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 13
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 7
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 238000002156 mixing Methods 0.000 description 50
- 229910052809 inorganic oxide Inorganic materials 0.000 description 38
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 24
- 229910052751 metal Inorganic materials 0.000 description 24
- 239000002184 metal Substances 0.000 description 24
- 239000002994 raw material Substances 0.000 description 19
- 239000011973 solid acid Substances 0.000 description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 239000007789 gas Substances 0.000 description 15
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 13
- 238000010521 absorption reaction Methods 0.000 description 12
- 238000005259 measurement Methods 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000003786 synthesis reaction Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 229910001868 water Inorganic materials 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- -1 iron silicates Chemical class 0.000 description 8
- 238000011068 loading method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- 239000002131 composite material Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 238000004435 EPR spectroscopy Methods 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000011164 primary particle Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 150000001340 alkali metals Chemical class 0.000 description 4
- 229910000323 aluminium silicate Inorganic materials 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 125000004430 oxygen atom Chemical group O* 0.000 description 4
- 229910052763 palladium Inorganic materials 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 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 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 235000002639 sodium chloride Nutrition 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 230000010757 Reduction Activity Effects 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- PWIGYBONXWGOQE-UHFFFAOYSA-N alizarin complexone Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=C(CN(CC(O)=O)CC(=O)O)C(O)=C2O PWIGYBONXWGOQE-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000002734 clay mineral Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- WFPZPJSADLPSON-UHFFFAOYSA-N dinitrogen tetraoxide Chemical compound [O-][N+](=O)[N+]([O-])=O WFPZPJSADLPSON-UHFFFAOYSA-N 0.000 description 2
- LZDSILRDTDCIQT-UHFFFAOYSA-N dinitrogen trioxide Chemical compound [O-][N+](=O)N=O LZDSILRDTDCIQT-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 229960001730 nitrous oxide Drugs 0.000 description 2
- 235000013842 nitrous oxide Nutrition 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 2
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 239000004113 Sepiolite Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000000833 X-ray absorption fine structure spectroscopy Methods 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910001583 allophane Inorganic materials 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 235000012211 aluminium silicate Nutrition 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
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229960000892 attapulgite Drugs 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 239000000539 dimer Substances 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001362 electron spin resonance spectrum Methods 0.000 description 1
- 238000004993 emission spectroscopy Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- QZRHHEURPZONJU-UHFFFAOYSA-N iron(2+) dinitrate nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O QZRHHEURPZONJU-UHFFFAOYSA-N 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229940078552 o-xylene Drugs 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 230000005298 paramagnetic effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000003863 physical function Effects 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 1
- HWCKGOZZJDHMNC-UHFFFAOYSA-M tetraethylammonium bromide Chemical compound [Br-].CC[N+](CC)(CC)CC HWCKGOZZJDHMNC-UHFFFAOYSA-M 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- C01B39/06—Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements, i.e. by direct or secondary synthesis
-
- 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
- B01J29/88—Ferrosilicates; Ferroaluminosilicates
-
- 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
- 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
- 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
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
-
- 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
- B01J29/7007—Zeolite Beta
-
- 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
-
- 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
- B01J29/7615—Zeolite Beta
-
- 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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
-
- 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
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
-
- 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
- C01B39/06—Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements, i.e. by direct or secondary synthesis
- C01B39/08—Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements, i.e. by direct or secondary synthesis the aluminium atoms being wholly replaced
- C01B39/087—Ferrosilicates
-
- 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
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
- B01D2255/502—Beta zeolites
-
- 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
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/014—Stoichiometric 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
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
-
- 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
- B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
-
- 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
- B01J29/65—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively
-
- 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
- B01J29/7015—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
- B01J29/7034—MTW-type, e.g. ZSM-12, NU-13, TPZ-12 or Theta-3
-
- 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
- B01J29/7038—MWW-type, e.g. MCM-22, ERB-1, ITQ-1, PSH-3 or SSZ-25
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Description
(8)(7)記載の窒素酸化物還元触媒の存在下、アンモニア、尿素、及び有機アミン類からなる群から選ばれる少なくとも1種類の還元剤と、窒素酸化物とを接触させることによって、前記窒素酸化物を選択的に還元することを含む窒素酸化物還元方法。
(但し、Mは陽イオン、nは陽イオンMの原子価、x、y、z、はそれぞれFe2O3、Al2O3、SiO2のモル分率を表し、x+y+z=1である。wは0以上の数であり、z/yは特に限定されないが、300以上であることが好ましく、yは0であってもよい。x及びzは0より大きい数である。)
z/yの範囲は、300以上3000以下が好ましく、400以上2000以下がより好ましい。
ここで、
M = Na+又はK+、
a = 0.075〜0.50であり、好ましくは0.10〜0.25、
b = 0.01〜0.05であり、好ましくは0.01〜0.03、
c = 0.01以下であり、好ましくは0.003以下、更に好ましくは0.002以下であり、0であってもよく、
d = 0.10〜0.35であり、好ましくは0.10〜0.30、
e = 7〜15であり、好ましくは9〜13である。
測定装置に電子スピン共鳴装置((株)日本電子製JES−TE200)を用いた。測定条件としては測定温度77°K、マイクロ波出力は1.0mW、観測範囲は0〜1000ミリテスラ、変調幅は0.32ミリテスラ、及び時定数は0.3秒とした。
β型鉄シリケート中のフッ素の含有率はランタンアリザリンコンプレキソン吸光光度法で定量した。ランタンアリザリンコンプレキソンとして、市販のアルフッソン((株)同仁化学研究所)を用いた。
試料をプレス成形後、破砕して12メッシュ〜20メッシュに整粒した。整粒した試料粉末1.5ccを常圧固定床流通式反応管に充填した。触媒層に表2の組成のガスを1500cc/分で流通させながら、200℃又は500℃で定常的な窒素酸化物の還元率を測定した。
ここで、XNOxは窒素酸化物の還元率(%)、[NOx]inは入ガス(反応管へ入るガス)の窒素酸化物濃度、[NOx]outは出ガス(反応管から出るガス)の窒素酸化物濃度を示す。
3号珪酸ソーダ(SiO2;30%、Na2O;9.1%、Al2O3;0.01%、残部は水)、98%硫酸、水及び硝酸鉄九水和物の所定量を混合することによりゲルを生成させた。生成したゲルを固液分離した後、純水により洗浄した。
合成例1において得られたβ型鉄シリケートを600℃で焼成し、SDAを除去した。SDA除去後のβ型鉄シリケートと、SiO2/Al2O3のモル比が28のβ型ゼオライト(結晶構造:*BEA構造、H型)を秤量した。乳鉢を用いてこれらを十分に混合して組成物を得た。
合成例1において得られたβ型鉄シリケートを600℃で焼成し、SDAを除去した。SDA除去後のβ型鉄シリケートと、市販のγ−アルミナ(STREM CHEMICALS,INC製)を秤量した。乳鉢を用いてこれらを十分に混合して組成物を得た。
合成例1において得られたβ型鉄シリケートを600℃で焼成し、SDAを除去した。SDA除去後のβ型鉄シリケートと、SiO2/Al2O3のモル比が28のZSM−5型ゼオライト(結晶構造:MFI構造、H型)を秤量した。乳鉢を用いてこれらを十分に混合して組成物を得た。
実施例1で用いたβ型鉄シリケート及びβ型ゼオライトの単体、並びに実施例1〜実施例2、参考例1で得られた組成物について窒素酸化物の還元試験を実施した。
◆:参考例1の組成物のフレッシュ状態における200℃での窒素酸化物還元率
×:実施例2の組成物のフレッシュ状態における200℃での窒素酸化物還元率
■:実施例1の組成物のフレッシュ状態における500℃での窒素酸化物還元率
◇:参考例1の組成物のフレッシュ状態における500℃での窒素酸化物還元率
−:実施例2の組成物のフレッシュ状態における500℃での窒素酸化物還元率
○:実施例1の組成物の耐久処理後の状態における200℃での窒素酸化物還元率
▲:参考例1の組成物の耐久処理後の状態における200℃での窒素酸化物還元率
*:実施例2の組成物の耐久処理後の状態における200℃での窒素酸化物還元率
●:実施例1の組成物の耐久処理後の状態における500℃での窒素酸化物還元率
△:参考例1の組成物の耐久処理後の状態における500℃での窒素酸化物還元率
+:実施例2の組成物の耐久処理後の状態における500℃での窒素酸化物還元率
点線:β型鉄シリケート及びβ型ゼオライトの単独での窒素酸化物還元率を基に求めた、β型ゼオライト含有率と窒素酸化物還元率との直線関係を示す。
Claims (6)
- 鉄の全部又は一部をβ型骨格構造中に含有するβ型鉄シリケートであって前記β型鉄シリケートのSiO2/Al2O3のモル比が300以上であり、かつ、前記β型鉄シリケートの乾燥重量に対する鉄の含有率が5.5重量%以上12重量%以下であるもの、及び、H型ゼオライトを含む組成物。
- 前記β型鉄シリケートの乾燥重量に対するフッ素の含有率が400ppm以下であり、かつ、前記β型鉄シリケートの結晶粒子が双四角錐台形状である請求項1に記載の組成物。
- 前記H型ゼオライトが、*BEA、FAU、MOR、MFI、FER、LTL、MWW、MTW、CHA、LEV及びSZRからなる群から選ばれる少なくとも1種類の結晶構造を有する請求項1又は2に記載の組成物。
- 前記H型ゼオライトが、*BEA又はMFI構造を有する請求項1〜3のいずれか1項に記載の組成物。
- 請求項1〜4のいずれか1項に記載の組成物を含む窒素酸化物還元触媒。
- 請求項5記載の窒素酸化物還元触媒の存在下、アンモニア、尿素、及び有機アミン類からなる群から選ばれる少なくとも1種類の還元剤と、窒素酸化物とを接触させることによって、前記窒素酸化物を選択的に還元することを含む窒素酸化物還元方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012113770A JP5958070B2 (ja) | 2011-05-17 | 2012-05-17 | β型鉄シリケート組成物及び窒素酸化物還元方法 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011110063 | 2011-05-17 | ||
JP2011110063 | 2011-05-17 | ||
JP2012113770A JP5958070B2 (ja) | 2011-05-17 | 2012-05-17 | β型鉄シリケート組成物及び窒素酸化物還元方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012254921A JP2012254921A (ja) | 2012-12-27 |
JP5958070B2 true JP5958070B2 (ja) | 2016-07-27 |
Family
ID=47177017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012113770A Active JP5958070B2 (ja) | 2011-05-17 | 2012-05-17 | β型鉄シリケート組成物及び窒素酸化物還元方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9539565B2 (ja) |
EP (1) | EP2746223B1 (ja) |
JP (1) | JP5958070B2 (ja) |
KR (1) | KR101512263B1 (ja) |
CN (1) | CN103534210B (ja) |
WO (1) | WO2012157700A1 (ja) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201438819A (zh) * | 2012-12-25 | 2014-10-16 | Nikki Universal Co Ltd | 耐矽毒性優異之排氣淨化用觸媒 |
JP6294126B2 (ja) * | 2014-03-31 | 2018-03-14 | 株式会社キャタラー | Scr用触媒及び排ガス浄化触媒システム |
JP6294127B2 (ja) * | 2014-03-31 | 2018-03-14 | 株式会社キャタラー | Scr用触媒及び排ガス浄化触媒システム |
CN105289715A (zh) * | 2015-11-13 | 2016-02-03 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的组合物 |
CN105219248A (zh) * | 2015-11-13 | 2016-01-06 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的涂料 |
CN105605675A (zh) * | 2015-11-13 | 2016-05-25 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的空气净化器 |
CN105457183A (zh) * | 2015-11-13 | 2016-04-06 | 朱忠良 | 一种适合高污染天气的呼吸面罩 |
CN105289127A (zh) * | 2015-11-13 | 2016-02-03 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的过滤网 |
CN105251346A (zh) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的过滤网 |
CN105289183A (zh) * | 2015-11-13 | 2016-02-03 | 无锡桥阳机械制造有限公司 | 一种空气过滤器 |
CN105457411A (zh) * | 2015-11-13 | 2016-04-06 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的空调滤清器 |
CN105327565A (zh) * | 2015-11-13 | 2016-02-17 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的空气净化器 |
CN105435541A (zh) * | 2015-11-13 | 2016-03-30 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的过滤网 |
CN105251273A (zh) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的过滤网 |
CN105251352A (zh) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | 一种烟气净化工艺 |
CN105276719A (zh) * | 2015-11-13 | 2016-01-27 | 无锡桥阳机械制造有限公司 | 一种带净化功能的中央空调 |
CN105289719A (zh) * | 2015-11-13 | 2016-02-03 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的组合物 |
CN105604965A (zh) * | 2015-11-13 | 2016-05-25 | 无锡桥阳机械制造有限公司 | 一种带净化功能的风扇 |
CN105214481A (zh) * | 2015-11-13 | 2016-01-06 | 无锡桥阳机械制造有限公司 | 一种烟气净化工艺 |
CN105258256A (zh) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | 一种带中央空调建筑物的空气净化方法 |
CN105413077A (zh) * | 2015-11-13 | 2016-03-23 | 朱忠良 | 一种适合高污染天气的呼吸面罩 |
CN105333541A (zh) * | 2015-11-13 | 2016-02-17 | 无锡桥阳机械制造有限公司 | 一种带净化功能的中央空调 |
CN105289128A (zh) * | 2015-11-13 | 2016-02-03 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的过滤网 |
CN105251292A (zh) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | 一种利用风扇净化室内空气的方法 |
CN105251349A (zh) * | 2015-11-14 | 2016-01-20 | 华玉叶 | 一种利用家用暖气片净化室内空气的方法 |
CN105298938A (zh) * | 2015-11-14 | 2016-02-03 | 无锡清杨机械制造有限公司 | 一种带净化功能的卫浴抽风机 |
CN105344178A (zh) * | 2015-11-14 | 2016-02-24 | 华玉叶 | 一种利用家用暖气片净化室内空气的方法 |
CN105222199A (zh) * | 2015-11-14 | 2016-01-06 | 无锡清杨机械制造有限公司 | 一种带空气净化功能的抽油烟机 |
CN105258184A (zh) * | 2015-11-14 | 2016-01-20 | 无锡清杨机械制造有限公司 | 一种带空气净化功能的抽油烟机 |
CN105298939A (zh) * | 2015-11-14 | 2016-02-03 | 无锡清杨机械制造有限公司 | 一种带净化功能的卫浴抽风机 |
CN105298936A (zh) * | 2015-11-14 | 2016-02-03 | 无锡清杨机械制造有限公司 | 一种带净化功能的卫浴抽风机 |
CN108283884B (zh) * | 2017-01-09 | 2020-10-23 | 高雄应用科技大学 | 以选择性触媒还原反应处理废气氮氧化物的铁氧磁体触媒及其方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3308069A (en) | 1964-05-01 | 1967-03-07 | Mobil Oil Corp | Catalytic composition of a crystalline zeolite |
US3702886A (en) | 1969-10-10 | 1972-11-14 | Mobil Oil Corp | Crystalline zeolite zsm-5 and method of preparing the same |
JP3986186B2 (ja) * | 1997-11-07 | 2007-10-03 | 日本碍子株式会社 | 高耐熱性β−ゼオライト及びそれを用いた自動車排ガス浄化用吸着材 |
US20040110629A1 (en) * | 2002-08-29 | 2004-06-10 | Dennis Stamires | Catalyst for the production of light olefins |
JP4992214B2 (ja) * | 2005-09-16 | 2012-08-08 | 東ソー株式会社 | β型ゼオライトを含んでなる窒素酸化物の浄化触媒およびそれを用いた窒素酸化物の浄化方法 |
JP4644634B2 (ja) | 2006-06-13 | 2011-03-02 | エヌ・イーケムキャット株式会社 | 脱硝触媒組成物、一体構造型脱硝触媒、及びそれを用いた脱硝方法 |
JP4956112B2 (ja) | 2006-09-22 | 2012-06-20 | 三菱自動車工業株式会社 | Hcトラップ触媒の調製方法 |
CN101827654B (zh) * | 2007-08-13 | 2013-11-06 | Pq公司 | 含铁铝硅酸盐沸石及其制备和使用方法 |
JP5309936B2 (ja) * | 2007-12-18 | 2013-10-09 | 東ソー株式会社 | 窒素酸化物浄化触媒及び窒素酸化物浄化方法 |
KR101473007B1 (ko) * | 2007-12-18 | 2014-12-15 | 도소 가부시키가이샤 | 질소 산화물 정화 촉매 및 질소 산화물 정화 방법 |
US9079162B2 (en) | 2008-04-28 | 2015-07-14 | BASF SE Ludwigshafen | Fe-BEA/Fe-MFI mixed zeolite catalyst and process for the treatment of NOX in gas streams |
WO2009141873A1 (ja) | 2008-05-20 | 2009-11-26 | イビデン株式会社 | ハニカム構造体 |
JP5549839B2 (ja) * | 2008-08-19 | 2014-07-16 | 東ソー株式会社 | 高耐熱性β型ゼオライト及びそれを用いたSCR触媒 |
TWI434806B (zh) * | 2009-04-01 | 2014-04-21 | Formosan Union Chemical Corp | Synthesis of Small Grain Total Silicon Beta Zeolite |
CN104876237A (zh) | 2009-06-18 | 2015-09-02 | 巴斯夫欧洲公司 | 生产沸石材料的无有机模板合成方法 |
GB2475740B (en) * | 2009-11-30 | 2017-06-07 | Johnson Matthey Plc | Catalysts for treating transient NOx emissions |
US9675935B2 (en) | 2009-12-22 | 2017-06-13 | Tosoh Corporation | Metallosilicates, processes for producing the same, nitrogen oxide removal catalyst, process for producing the same, and method for removing nitrogen oxide with the same |
-
2012
- 2012-05-17 WO PCT/JP2012/062642 patent/WO2012157700A1/ja active Application Filing
- 2012-05-17 KR KR1020137029867A patent/KR101512263B1/ko active IP Right Grant
- 2012-05-17 US US14/115,379 patent/US9539565B2/en active Active
- 2012-05-17 EP EP12785394.3A patent/EP2746223B1/en active Active
- 2012-05-17 CN CN201280023232.8A patent/CN103534210B/zh active Active
- 2012-05-17 JP JP2012113770A patent/JP5958070B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP2746223A1 (en) | 2014-06-25 |
CN103534210B (zh) | 2015-12-09 |
EP2746223A4 (en) | 2014-11-26 |
US20140079611A1 (en) | 2014-03-20 |
EP2746223B1 (en) | 2020-05-06 |
KR20140002797A (ko) | 2014-01-08 |
CN103534210A (zh) | 2014-01-22 |
JP2012254921A (ja) | 2012-12-27 |
US9539565B2 (en) | 2017-01-10 |
WO2012157700A1 (ja) | 2012-11-22 |
EP2746223A8 (en) | 2014-08-13 |
KR101512263B1 (ko) | 2015-04-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5958070B2 (ja) | β型鉄シリケート組成物及び窒素酸化物還元方法 | |
JP5169779B2 (ja) | 窒素酸化物浄化触媒及び窒素酸化物浄化方法 | |
JP6169069B2 (ja) | 大型結晶で有機を含まないチャバザイトと、同材料の作成方法および使用方法 | |
JP5082361B2 (ja) | SCR触媒用β型ゼオライト及びそれを用いた窒素酸化物の浄化方法 | |
US9675935B2 (en) | Metallosilicates, processes for producing the same, nitrogen oxide removal catalyst, process for producing the same, and method for removing nitrogen oxide with the same | |
EP2314544B1 (en) | Highly heat-resistant beta-zeolite and scr catalyst using same | |
JP4992214B2 (ja) | β型ゼオライトを含んでなる窒素酸化物の浄化触媒およびそれを用いた窒素酸化物の浄化方法 | |
KR101473007B1 (ko) | 질소 산화물 정화 촉매 및 질소 산화물 정화 방법 | |
JP7528092B2 (ja) | 金属担持小細孔アルミノケイ酸塩chaゼオライト及び金属担持小細孔アルミノケイ酸塩chaゼオライトの製造方法 | |
JP4957176B2 (ja) | 窒素酸化物浄化触媒及び窒素酸化物浄化方法 | |
CN112243427B (zh) | 具有高酸度的低二氧化硅菱沸石沸石 | |
JP5594121B2 (ja) | 新規メタロシリケート及び窒素酸化物浄化触媒 | |
JP5124927B2 (ja) | β型ゼオライトを含んでなる炭化水素の吸着除去剤およびそれを用いた炭化水素の吸着除去方法 | |
JP5309936B2 (ja) | 窒素酸化物浄化触媒及び窒素酸化物浄化方法 | |
WO2021193653A1 (ja) | ディーゼル自動車排ガス浄化触媒装置に用いられるNH3-SCR触媒用のCu-CHA型ゼオライト、及びこれを含むディーゼル自動車排ガス浄化触媒装置 | |
JPH0760069A (ja) | 窒素酸化物の除去方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20150422 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150827 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150929 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20151130 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160426 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160427 |
|
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: 20160524 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160606 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 5958070 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |