JP6259186B2 - 内燃機関から放出される排気を処理するための触媒の製造方法、この製造方法によって得ることができる触媒、この触媒の使用方法 - Google Patents
内燃機関から放出される排気を処理するための触媒の製造方法、この製造方法によって得ることができる触媒、この触媒の使用方法 Download PDFInfo
- Publication number
- JP6259186B2 JP6259186B2 JP2012523649A JP2012523649A JP6259186B2 JP 6259186 B2 JP6259186 B2 JP 6259186B2 JP 2012523649 A JP2012523649 A JP 2012523649A JP 2012523649 A JP2012523649 A JP 2012523649A JP 6259186 B2 JP6259186 B2 JP 6259186B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- mixture
- metal
- present
- noble metal
- 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.)
- Expired - Fee Related
Links
- 239000003054 catalyst Substances 0.000 title claims description 90
- 238000000034 method Methods 0.000 title claims description 76
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 238000002485 combustion reaction Methods 0.000 title claims description 7
- 239000000203 mixture Substances 0.000 claims description 71
- 229910052751 metal Inorganic materials 0.000 claims description 50
- 239000002184 metal Substances 0.000 claims description 50
- 239000002243 precursor Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 21
- 229910052697 platinum Inorganic materials 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 18
- 239000003223 protective agent Substances 0.000 claims description 18
- 229910052763 palladium Inorganic materials 0.000 claims description 16
- 230000003647 oxidation Effects 0.000 claims description 13
- 238000007254 oxidation reaction Methods 0.000 claims description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 11
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 229910052783 alkali metal Inorganic materials 0.000 claims description 8
- 239000012876 carrier material Substances 0.000 claims description 8
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- 239000007791 liquid phase Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 4
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 229920001519 homopolymer Polymers 0.000 claims description 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 53
- 229910000510 noble metal Inorganic materials 0.000 description 48
- 239000000243 solution Substances 0.000 description 45
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 37
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 36
- 239000004071 soot Substances 0.000 description 27
- 230000003197 catalytic effect Effects 0.000 description 24
- 239000000047 product Substances 0.000 description 18
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 17
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 17
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 17
- 239000007789 gas Substances 0.000 description 16
- 239000002245 particle Substances 0.000 description 16
- 150000001875 compounds Chemical class 0.000 description 11
- 230000009467 reduction Effects 0.000 description 10
- 238000006722 reduction reaction Methods 0.000 description 10
- 238000005470 impregnation Methods 0.000 description 8
- 239000002923 metal particle Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000012298 atmosphere Substances 0.000 description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 description 7
- 239000003575 carbonaceous material Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 238000001228 spectrum Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- -1 for example Substances 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 239000010948 rhodium Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 5
- 150000001299 aldehydes Chemical class 0.000 description 5
- 238000010304 firing Methods 0.000 description 5
- 239000002082 metal nanoparticle Substances 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 239000002105 nanoparticle Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 229910052703 rhodium Inorganic materials 0.000 description 5
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 101150003085 Pdcl gene Proteins 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 238000010531 catalytic reduction reaction Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 150000002736 metal compounds Chemical class 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229920002125 Sokalan® Polymers 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910000420 cerium oxide Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920002873 Polyethylenimine Polymers 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- KKAXNAVSOBXHTE-UHFFFAOYSA-N boranamine Chemical class NB KKAXNAVSOBXHTE-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010335 hydrothermal treatment Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920003169 water-soluble polymer Polymers 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 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 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000010718 Oxidation Activity Effects 0.000 description 1
- 239000012696 Pd precursors Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000010415 colloidal nanoparticle Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 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
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000002116 nanohorn Substances 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- IOQPZZOEVPZRBK-UHFFFAOYSA-N octan-1-amine Chemical compound CCCCCCCCN IOQPZZOEVPZRBK-UHFFFAOYSA-N 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000003878 thermal aging Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Images
Classifications
-
- 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
- B01J23/44—Palladium
-
- 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
- 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
- B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
-
- 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
- B01D53/9436—Ammonia
-
- 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
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
-
- 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
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/48—Silver or gold
-
- 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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/391—Physical properties of the active metal ingredient
- B01J35/393—Metal or metal oxide crystallite size
-
- 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
-
- 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
- B01J37/0201—Impregnation
- B01J37/0203—Impregnation the impregnation liquid containing organic compounds
-
- 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
- B01J37/04—Mixing
-
- 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
- B01J37/16—Reducing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1025—Rhodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/104—Silver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/106—Gold
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
-
- 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
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/10—Carbon or carbon oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
- Crystallography & Structural Chemistry (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Dispersion Chemistry (AREA)
Description
(1)、金属前駆体の水溶液に保護剤を添加して混合物(M1)を得る工程と、
(2)前記混合物(M1)に還元剤を添加して混合物(M2)を得る工程と、
(3)前記混合物(M2)に担体材料を添加して混合物(M3)を得る工程と、
(4)前記混合物(M3)のpHを調節する工程と、
(5)前記混合物(M3)の固液相を分離する工程。
(1)、金属前駆体の水溶液に保護剤を添加して混合物(M1)を得る工程と、
(2)前記混合物(M1)に還元剤を添加して混合物(M2)を得る工程と、
(3)前記混合物(M2)に担体材料を添加して混合物(M3)を得る工程と、
(4)前記混合物(M3)のpHを調節する工程と、
(5)前記混合物(M3)の固液相を分離する工程。
結果として、改良された方法および減少したコストがもたらされる。
溶液1リットルにつき5.1*10-2モルのPtを含有している10.2gのH2PtCl6溶液が、400mlの水に希釈され、そして、溶液1mlにつき10mgのPVPを含有しているPVP溶液の適量が、Pt/PVP重量比率を1に等しくするために追加された。溶液を、1時間、室温で、空気中で攪拌させた後に、NaBH4が、室温で、溶液に追加された。NaBH4の量は、1/2のPt/NaBH4重量比率を有するように、選択された。獲得された混合物を、1時間、空気中で攪拌させた後、1%wt/wtの総金属添加量を達成するために、適量のアルミナ粉末が、溶液に追加され、そして重量の15%のHClを含有しているHCl溶液で、pHが2.4の値まで調節された。30分の攪拌後に、溶液は濾過され、固体粉末が回収された。
同じ方法および同じ量の試薬が、PVP添加を除いて、実施例1のように用いられた。ここでは、溶液1mgにつき10mgのPVPを含有しているPVP溶液の適量が、Pt/PVP重量比率を2に等しくするために追加された。
溶液1リットルにつき5.1*10-2モルのPtを含有している6.6gのH2PtCl6溶液が、110mgのK2PdCl4と共に400mlの水に希釈されたのを除き、同じ方法および同じ量の試薬が、実施例2のように用いられた。
溶液1リットルにつき5.1*10-2モルのPtを含有している6.6gのH2PtCl6溶液が、400mlの水に希釈され、そして、溶液1mlにつき10mgのPVPを含有しているPVP溶液の適量が、Pt/PVP重量比率を1に等しくするために追加された。溶液を、1時間、室温で、空気中で攪拌させた後に、NaBH4が、室温で、溶液に追加された。NaBH4の量は、1/2のPt/NaBH4重量比率を有するように、選択された。結果として生じた溶液は、30分間攪拌され、そして、110mgのK2PdCl4が、溶液に追加された。30分後に、NaBH4が、室温で、溶液に追加された。NaBH4の量は、1/2のPd/NaBH4重量比率を有するように、選択された。獲得された混合物を、1時間、空気中で攪拌させた後、1%wt/wtの総金属添加量を達成するために、適量のアルミナ粉末が、溶液に追加され、そして重量の15%のHClを含有しているHCl溶液で、pHが2.4の値まで調節された。30分の攪拌後に、溶液は濾過され、固体粉末が回収された。
同じ方法および同じ量の試薬が、H2PtCl6とK2PdCl4の添加の順序を逆にしたことを除いて、実施例4のように用いられた。
同じ方法および同じ量の試薬が、PVP添加を除いて、実施例1のように用いられた。ここでは、溶液1mgにつき10mgのPVPを含有しているPVP溶液の適量が、Pt/PVP重量比率を4に等しくするために追加された。
同じ方法および同じ量の試薬が、H2PtCl6、および、担体に対して2%wt/wtの貴金属を有する触媒を獲得するために選択された担体の量を除いて、実施例1のように用いられた。
同じ方法および同じ量の試薬が、H2PtCl6、K2PdCl4、および、担体に対して4%wt/wtの貴金属を有する触媒を獲得するために選択されたアルミナの量を除いて、実施例3のように用いられた。
〔比較例〕
図2を参照にすると、実施例1と同じ方法で調製され、12時間800℃で熱的に熟成した、アルミナ担体に沈澱した、担体物質に対して1%wt/wtのPtを備える試料のXRDスペクトルが示される。
〔比較例〕
図4を参照にすると、実施例3と同じ方法で調製され、12時間800℃で熱的に熟成した、アルミナ担体に沈澱した、担体物質に対して0.67%wt/wtのPtおよび0.33%wt/wtのPdを備える試料のXRDスペクトルが示される。
〔実施例と現状技術の例の比較〕
図6は、従来のディーゼルエンジンの排気ガスをシミュレートする実験室反応器で試験された、試料のガス活性を示す。使用された反応条件は、40mgの粉末が100mgのコーディエライト材料で希釈され、そして、混合物が250―500マイクロメートルの範囲で圧壊され、篩にかけられた、固定床管型反応器であった。総ガス流量は200mL/分で、そして、結果として生じる空間速度はモノリス試料が経験する1時間当たり15,000―20,000に相当した。粉末反応器試験で使用される気体組成は、CO2000ppm、NO100ppm、C3H6300ppm、C3H6300ppm、トルエン350ppm、O212%、H2O5%であった。特に明記しない限り、炭化水素(HC)濃度は、C1基準で報告される。
Claims (4)
- (1)金属前駆体の水溶液に保護剤を添加して混合物(M1)を得る工程と、
(2)前記混合物(M1)に還元剤を添加して混合物(M2)を得る工程と、
(3)前記混合物(M2)に担体材料を添加して混合物(M3)を得る工程と、
(4)前記混合物(M3)のpHを2〜2.4の範囲に調節する工程と、
(5)前記混合物(M3)の固液相を分離する工程と、
を少なくとも含み、
前記混合物(M1)中の前記金属前駆体が、PtとPdの前駆体を含み、及び
工程(3)での前記担体材料が、アルミナを含み、
工程(2)での前記還元剤が、アルカリ金属ホウ化水素であり、及びNaBH4を含み、及び
前記保護剤が、ポリ(ビニルピロリドン)を含むことを特徴とする内燃機関から放出される排気を処理するための触媒の製造方法。 - 前記保護剤が、1個以上のアミノ、アミド、カルボキシル、アルデヒドまたはヒドロキシル基を有する可溶性ホモポリマーおよびコポリマー、ならびに、1個以上のアミノ、アミド、カルボキシル、アルデヒドまたはヒドロキシ基を有する有機分子およびそれらの混合物から選択される、請求項1に記載の方法。
- 工程(5)で、混合物(M3)の前記固液相が、濾過または溶媒の蒸発により分離される、請求項1又は2いずれか1項に記載の方法。
- 製造される触媒が、ディーゼル酸化触媒として適していることを特徴とする請求項1〜3の何れか1項に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23142709P | 2009-08-05 | 2009-08-05 | |
US61/231,427 | 2009-08-05 | ||
US12/844,287 | 2010-07-27 | ||
US12/844,287 US20110033353A1 (en) | 2009-08-05 | 2010-07-27 | Preparation of Diesel Oxidation Catalyst Via Deposition of Colloidal Nanoparticles |
PCT/US2010/043463 WO2011017139A2 (en) | 2009-08-05 | 2010-07-28 | Preparation of diesel oxidation catalyst via deposition of colloidal nanoparticles |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017060524A Division JP6632559B2 (ja) | 2009-08-05 | 2017-03-27 | コロイド性ナノ粒子の析出によるディーゼル酸化触媒の製造 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013500862A JP2013500862A (ja) | 2013-01-10 |
JP2013500862A5 JP2013500862A5 (ja) | 2017-11-24 |
JP6259186B2 true JP6259186B2 (ja) | 2018-01-10 |
Family
ID=43534975
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012523649A Expired - Fee Related JP6259186B2 (ja) | 2009-08-05 | 2010-07-28 | 内燃機関から放出される排気を処理するための触媒の製造方法、この製造方法によって得ることができる触媒、この触媒の使用方法 |
JP2017060524A Expired - Fee Related JP6632559B2 (ja) | 2009-08-05 | 2017-03-27 | コロイド性ナノ粒子の析出によるディーゼル酸化触媒の製造 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017060524A Expired - Fee Related JP6632559B2 (ja) | 2009-08-05 | 2017-03-27 | コロイド性ナノ粒子の析出によるディーゼル酸化触媒の製造 |
Country Status (9)
Country | Link |
---|---|
US (2) | US20110033353A1 (ja) |
EP (1) | EP2461905B1 (ja) |
JP (2) | JP6259186B2 (ja) |
KR (2) | KR20120040732A (ja) |
CN (2) | CN102574106A (ja) |
BR (1) | BR112012002614B1 (ja) |
ES (1) | ES2641241T3 (ja) |
PL (1) | PL2461905T3 (ja) |
WO (1) | WO2011017139A2 (ja) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5400924B2 (ja) * | 2012-06-07 | 2014-01-29 | 田中貴金属工業株式会社 | 金担持カーボン触媒の製造方法 |
CN104507574B (zh) * | 2012-07-09 | 2017-09-01 | 丰田自动车株式会社 | 废气净化用催化剂及其制造方法 |
CN103071492B (zh) * | 2012-12-07 | 2014-10-01 | 内蒙古大学 | 一种高效催化甲醛转化催化剂的制备方法 |
US9662636B2 (en) | 2014-04-17 | 2017-05-30 | Basf Corporation | Zoned catalyst composites |
JP6048459B2 (ja) * | 2014-08-08 | 2016-12-21 | トヨタ自動車株式会社 | NOx吸蔵還元型触媒及びその製造方法 |
CN104308139B (zh) * | 2014-09-22 | 2016-03-30 | 福建医科大学 | 一种具有四种模拟酶活性的铂纳米材料及其制备方法 |
EP3244995B1 (en) | 2014-12-08 | 2021-11-03 | BASF Corporation | Nitrous oxide removal catalysts for exhaust systems |
CN104399460A (zh) * | 2014-12-19 | 2015-03-11 | 厦门大学 | 一种工业废水处理用催化剂及其制备方法 |
RU2731104C2 (ru) * | 2015-01-29 | 2020-08-28 | Басф Корпорейшн | Катализаторы на основе металлов платиновой группы (pgm) для обработки автомобильных выхлопов |
US10258967B2 (en) | 2015-03-20 | 2019-04-16 | Basf Corporation | PT and/or PD egg-shell catalyst and use thereof |
CN105148908B (zh) * | 2015-08-17 | 2021-03-23 | 中自环保科技股份有限公司 | 一种负载型贵金属催化剂的制备方法以及其应用 |
US10188986B2 (en) | 2015-11-06 | 2019-01-29 | Paccar Inc | Electrochemical reductant generation while dosing DEF |
US9764287B2 (en) | 2015-11-06 | 2017-09-19 | Paccar Inc | Binary catalyst based selective catalytic reduction filter |
US10058819B2 (en) | 2015-11-06 | 2018-08-28 | Paccar Inc | Thermally integrated compact aftertreatment system |
FR3043568B1 (fr) * | 2015-11-13 | 2021-01-29 | Ifp Energies Now | Fluide pour la depollution de moteurs thermiques utilisant des suspensions stables de particules colloidales metalliques et modes de preparation dudit fluide |
CA3010558C (en) * | 2016-01-06 | 2024-01-16 | Basf Corporation | Diesel oxidation catalyst comprising platinum group metal nanoparticles |
CN107297206A (zh) * | 2016-04-14 | 2017-10-27 | 巴斯夫公司 | 用于稀燃压缩天然气发动机的氧化催化剂 |
MX2019004344A (es) | 2016-10-12 | 2019-09-19 | Basf Corp | Articulos cataliticos. |
CA3052878A1 (en) | 2017-02-08 | 2018-08-16 | Basf Corporation | Catalytic articles |
EP3579971B1 (en) | 2017-02-08 | 2023-10-18 | BASF Corporation | Catalyst composition |
US10835866B2 (en) | 2017-06-02 | 2020-11-17 | Paccar Inc | 4-way hybrid binary catalysts, methods and uses thereof |
US10675586B2 (en) | 2017-06-02 | 2020-06-09 | Paccar Inc | Hybrid binary catalysts, methods and uses thereof |
CN111801160B (zh) * | 2018-02-26 | 2024-08-09 | 巴斯夫公司 | 用于汽油机废气后处理的催化剂 |
US11007514B2 (en) | 2019-04-05 | 2021-05-18 | Paccar Inc | Ammonia facilitated cation loading of zeolite catalysts |
US10906031B2 (en) | 2019-04-05 | 2021-02-02 | Paccar Inc | Intra-crystalline binary catalysts and uses thereof |
BR112021017762A2 (pt) | 2019-05-06 | 2021-11-23 | Johnson Matthey Plc | Artigo catalisador, sistema de tratamento de emissão, e, método de tratamento de um gás de escape de um motor de combustão interna |
US10934918B1 (en) | 2019-10-14 | 2021-03-02 | Paccar Inc | Combined urea hydrolysis and selective catalytic reduction for emissions control |
EP4046709A4 (en) * | 2019-10-18 | 2023-10-18 | Umicore Shokubai Japan Co., Ltd. | EXHAUST GAS PURIFICATION CATALYST, EXHAUST GAS PURIFICATION METHOD, AND METHOD FOR MANUFACTURING AN EXHAUST GAS PURIFICATION CATALYST |
EP4074415A1 (en) * | 2021-04-16 | 2022-10-19 | Basf Corporation | Novel nanoparticle alloys and catalytic compositions comprising the same for emission controls |
EP4101533A1 (en) | 2021-06-10 | 2022-12-14 | Johnson Matthey Public Limited Company | Palladium fixing and low fresh oxygen storage capacity using tannic acid as a complexing and reducing agent |
CN117177813A (zh) | 2021-06-10 | 2023-12-05 | 庄信万丰股份有限公司 | 使用铑/铂和鞣酸作为络合和还原剂的改进的twc活性 |
US11826731B1 (en) | 2023-04-04 | 2023-11-28 | King Faisal University | Nanocomposites of metal / metal oxides for catalytic degradation of toxic pollutants in water |
Family Cites Families (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59160536A (ja) * | 1983-03-04 | 1984-09-11 | Hitachi Ltd | 燃焼触媒及びその製造方法 |
EP0172280B1 (en) * | 1983-03-14 | 1988-03-09 | E.I. Du Pont De Nemours And Company | Catalyst composition |
US4532228A (en) * | 1984-01-19 | 1985-07-30 | Corning Glass Works | Treatment of monolithic catalyst supports |
JP2613282B2 (ja) * | 1988-11-21 | 1997-05-21 | 田中貴金属工業株式会社 | 銀−白金複合微粉末の製造方法 |
GB9010709D0 (en) * | 1990-05-12 | 1990-07-04 | Johnson Matthey Plc | Catalytic reduction |
JPH04141233A (ja) * | 1990-09-29 | 1992-05-14 | Stonehard Assoc Inc | 電極触媒 |
JP3285614B2 (ja) * | 1992-07-30 | 2002-05-27 | 日本碍子株式会社 | 排ガス浄化用触媒及びその製造方法 |
KR960005493B1 (ko) * | 1993-03-25 | 1996-04-25 | 주식회사유공 | 디젤차량 입자상물질의 제거용 촉매체의 제조방법 및 이를 이용한 입자상 물질의 제거방법 |
WO1995032790A1 (en) | 1994-06-01 | 1995-12-07 | Asec Manufacturing Company | ALLOYED METAL CATALYSTS FOR THE REDUCTION OF NOx IN THE EXHAUST GASES FROM INTERNAL COMBUSTION ENGINES CONTAINING EXCESS OXYGEN |
CN1104280C (zh) * | 1996-07-15 | 2003-04-02 | 切夫里昂美国公司 | 耐硫的烃转化催化剂和含硫的润滑油原料的加氢方法 |
US5897846A (en) * | 1997-01-27 | 1999-04-27 | Asec Manufacturing | Catalytic converter having a catalyst with noble metal on molecular sieve crystal surface and method of treating diesel engine exhaust gas with same |
EP1043065B1 (en) * | 1997-12-22 | 2004-09-01 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas cleaning catalyst, process for producing the same, and exhaust gas cleaning method |
GB0121580D0 (en) * | 2001-09-06 | 2001-10-24 | Syngenta Ltd | Novel compounds |
JP2003181288A (ja) | 2001-12-13 | 2003-07-02 | Toyota Motor Corp | 貴金属触媒の製造方法 |
JP2003299957A (ja) * | 2002-04-08 | 2003-10-21 | Toyota Central Res & Dev Lab Inc | 飽和炭化水素浄化用触媒及びその製造方法 |
US7574796B2 (en) * | 2002-10-28 | 2009-08-18 | Geo2 Technologies, Inc. | Nonwoven composites and related products and methods |
US6946013B2 (en) * | 2002-10-28 | 2005-09-20 | Geo2 Technologies, Inc. | Ceramic exhaust filter |
JP4195319B2 (ja) * | 2003-03-11 | 2008-12-10 | トヨタ自動車株式会社 | 多元系金属コロイドを用いて製造される触媒 |
KR100469066B1 (ko) * | 2003-04-14 | 2005-02-02 | 에스케이 주식회사 | 디젤차량 입자상 물질 제거용 필터 및 이의 제조방법 |
JP4298425B2 (ja) * | 2003-08-01 | 2009-07-22 | 日揮触媒化成株式会社 | 一酸化炭素酸化触媒および該触媒の製造方法 |
US7229597B2 (en) * | 2003-08-05 | 2007-06-12 | Basfd Catalysts Llc | Catalyzed SCR filter and emission treatment system |
DE10340653B4 (de) * | 2003-09-03 | 2006-04-27 | Hte Ag The High Throughput Experimentation Company | Katalysator für die Entfernung von Schadstoffen aus Abgasen von Mager-Motoren mit Ruthenium als Aktiv-Metall |
US20050121044A1 (en) * | 2003-12-09 | 2005-06-09 | Banerjee Chandra K. | Catalysts comprising ultrafine particles |
JP3912377B2 (ja) * | 2003-12-25 | 2007-05-09 | 日産自動車株式会社 | 排ガス浄化用触媒粉末の製造方法 |
JP4547930B2 (ja) * | 2004-02-17 | 2010-09-22 | 日産自動車株式会社 | 触媒、触媒の調製方法及び排ガス浄化用触媒 |
JP2005262162A (ja) * | 2004-03-22 | 2005-09-29 | Ne Chemcat Corp | 炭化水素ガス酸化除去用触媒 |
US7722829B2 (en) | 2004-09-14 | 2010-05-25 | Basf Catalysts Llc | Pressure-balanced, catalyzed soot filter |
US7611680B2 (en) * | 2004-10-28 | 2009-11-03 | Nanostellar, Inc. | Platinum-bismuth catalysts for treating engine exhaust |
US7605109B1 (en) * | 2004-10-28 | 2009-10-20 | Nanostellar, Inc. | Platinum-bismuth catalysts for treating engine exhaust |
US7381683B1 (en) * | 2004-10-28 | 2008-06-03 | Nanostellar, Inc. | Method of producing multi-component catalysts |
US20060166057A1 (en) * | 2005-01-21 | 2006-07-27 | Cabot Corporation | Method of making nanoparticulates and use of the nanoparticulates to make products using a flame reactor |
US7166555B2 (en) * | 2005-02-14 | 2007-01-23 | Corning Incorporated | Coated ceramic catalyst supports and method |
JP4865250B2 (ja) * | 2005-04-15 | 2012-02-01 | 三菱重工業株式会社 | 排ガス処理用触媒の製造方法 |
JP4715294B2 (ja) * | 2005-05-11 | 2011-07-06 | トヨタ自動車株式会社 | 金属クラスター担持金属酸化物担体及びその製造方法 |
US7673448B2 (en) * | 2005-08-05 | 2010-03-09 | Basf Catalysts Llc | Diesel exhaust article and catalyst compositions therefor |
JP3969444B2 (ja) * | 2005-09-29 | 2007-09-05 | トヨタ自動車株式会社 | 貴金属触媒の製造方法 |
US8119075B2 (en) * | 2005-11-10 | 2012-02-21 | Basf Corporation | Diesel particulate filters having ultra-thin catalyzed oxidation coatings |
US20070160899A1 (en) * | 2006-01-10 | 2007-07-12 | Cabot Corporation | Alloy catalyst compositions and processes for making and using same |
JP4881758B2 (ja) * | 2006-04-28 | 2012-02-22 | 日産自動車株式会社 | 排気ガス浄化用触媒及びその製造方法 |
CN100553768C (zh) * | 2006-05-12 | 2009-10-28 | 中国科学院大连化学物理研究所 | 一种担载型和非担载型催化剂及制备方法 |
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 |
JP2008049336A (ja) * | 2006-07-26 | 2008-03-06 | Nippon Shokubai Co Ltd | 金属担持触媒の製法 |
US7758834B2 (en) * | 2006-08-21 | 2010-07-20 | Basf Corporation | Layered catalyst composite |
US7709414B2 (en) * | 2006-11-27 | 2010-05-04 | Nanostellar, Inc. | Engine exhaust catalysts containing palladium-gold |
US7534738B2 (en) * | 2006-11-27 | 2009-05-19 | Nanostellar, Inc. | Engine exhaust catalysts containing palladium-gold |
US8800268B2 (en) * | 2006-12-01 | 2014-08-12 | Basf Corporation | Zone coated filter, emission treatment systems and methods |
US20080127638A1 (en) * | 2006-12-01 | 2008-06-05 | Marius Vaarkamp | Emission Treatment Systems and Methods |
JP4412615B2 (ja) * | 2006-12-05 | 2010-02-10 | Tanakaホールディングス株式会社 | 排ガス浄化用触媒及びその製造方法 |
JP2008188542A (ja) * | 2007-02-06 | 2008-08-21 | Mitsubishi Heavy Ind Ltd | 排ガス処理用触媒、その製造方法および排ガス処理方法 |
EP2117707B2 (en) * | 2007-02-27 | 2018-08-15 | BASF Corporation | Copper cha zeolite catalysts |
US7622096B2 (en) | 2007-08-09 | 2009-11-24 | Basf Catalysts Llc | Multilayered catalyst compositions |
US8114354B2 (en) * | 2007-12-18 | 2012-02-14 | Basf Corporation | Catalyzed soot filter manufacture and systems |
US7976784B2 (en) | 2007-12-18 | 2011-07-12 | Basf Corporation | Methods and systems including CO oxidation catalyst with low NO to NO2 conversion |
US20100124523A1 (en) * | 2008-11-19 | 2010-05-20 | Basf Catalysts Llc | Emissions Treatment Catalysts |
US8329607B2 (en) | 2009-01-16 | 2012-12-11 | Basf Corporation | Layered diesel oxidation catalyst composites |
US8252258B2 (en) | 2009-01-16 | 2012-08-28 | Basf Corporation | Diesel oxidation catalyst with layer structure for improved hydrocarbon conversion |
US8211392B2 (en) | 2009-01-16 | 2012-07-03 | Basf Corporation | Diesel oxidation catalyst composite with layer structure for carbon monoxide and hydrocarbon conversion |
US7709407B1 (en) * | 2009-01-21 | 2010-05-04 | Nanostellar, Inc. | Palladium-gold catalyst synthesis |
US9662611B2 (en) | 2009-04-03 | 2017-05-30 | Basf Corporation | Emissions treatment system with ammonia-generating and SCR catalysts |
US8940242B2 (en) * | 2009-04-17 | 2015-01-27 | Basf Corporation | Multi-zoned catalyst compositions |
EP2452750B1 (en) * | 2009-07-09 | 2018-03-21 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purifying catalyst and method for producing same |
-
2010
- 2010-07-27 US US12/844,287 patent/US20110033353A1/en not_active Abandoned
- 2010-07-28 JP JP2012523649A patent/JP6259186B2/ja not_active Expired - Fee Related
- 2010-07-28 CN CN2010800444820A patent/CN102574106A/zh active Pending
- 2010-07-28 KR KR1020127005670A patent/KR20120040732A/ko active Application Filing
- 2010-07-28 PL PL10806915T patent/PL2461905T3/pl unknown
- 2010-07-28 EP EP10806915.4A patent/EP2461905B1/en active Active
- 2010-07-28 KR KR1020187003946A patent/KR102076112B1/ko active IP Right Grant
- 2010-07-28 CN CN201610265147.2A patent/CN105944715A/zh active Pending
- 2010-07-28 WO PCT/US2010/043463 patent/WO2011017139A2/en active Application Filing
- 2010-07-28 ES ES10806915.4T patent/ES2641241T3/es active Active
- 2010-07-28 BR BR112012002614-3A patent/BR112012002614B1/pt not_active IP Right Cessation
-
2013
- 2013-10-21 US US14/058,559 patent/US9687818B2/en active Active
-
2017
- 2017-03-27 JP JP2017060524A patent/JP6632559B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
PL2461905T3 (pl) | 2017-12-29 |
BR112012002614B1 (pt) | 2019-02-26 |
WO2011017139A3 (en) | 2011-06-23 |
JP6632559B2 (ja) | 2020-01-22 |
US20110033353A1 (en) | 2011-02-10 |
KR20180019244A (ko) | 2018-02-23 |
EP2461905A2 (en) | 2012-06-13 |
ES2641241T3 (es) | 2017-11-08 |
JP2017159296A (ja) | 2017-09-14 |
CN105944715A (zh) | 2016-09-21 |
CN102574106A (zh) | 2012-07-11 |
EP2461905B1 (en) | 2017-06-28 |
US20140044627A1 (en) | 2014-02-13 |
JP2013500862A (ja) | 2013-01-10 |
EP2461905A4 (en) | 2013-02-20 |
WO2011017139A2 (en) | 2011-02-10 |
KR102076112B1 (ko) | 2020-02-11 |
KR20120040732A (ko) | 2012-04-27 |
US9687818B2 (en) | 2017-06-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6259186B2 (ja) | 内燃機関から放出される排気を処理するための触媒の製造方法、この製造方法によって得ることができる触媒、この触媒の使用方法 | |
US9566568B2 (en) | Catalyst design for heavy-duty diesel combustion engines | |
US8969237B2 (en) | Coated substrates for use in catalysis and catalytic converters and methods of coating substrates with washcoat compositions | |
RU2730496C2 (ru) | Содержащие родий катализаторы для обработки автомобильных выхлопов | |
US8080495B2 (en) | Diesel oxidation catalysts | |
JP6068475B2 (ja) | 熱的に安定なナノ触媒 | |
JP6284097B2 (ja) | 触媒の製造方法 | |
JP2013544629A (ja) | 坦持された金属触媒のポリマー補助合成 | |
EP1715950A1 (en) | Heat-resistive catalyst and production method thereof | |
JP5825439B2 (ja) | 排ガス浄化用触媒及びその製造方法 | |
WO2007037159A1 (ja) | 貴金属触媒の製造方法 | |
JPWO2011052676A1 (ja) | 内燃機関の排気浄化装置 | |
JP4233572B2 (ja) | 排ガス浄化用ハニカム触媒 | |
JP4075412B2 (ja) | パティキュレート燃焼触媒及びその製造方法 | |
JP2006305406A (ja) | 排NOx浄化用触媒 | |
JP2006297348A (ja) | 排ガス浄化用触媒 | |
JP4753613B2 (ja) | 排NOx浄化用触媒 | |
WO2023237734A1 (en) | Ternary platinum alloys with transition metals for enhanced oxidation activity | |
CN116688976A (zh) | 一种柴油车氧化催化剂及其制备方法 | |
WO2011123129A1 (en) | Diesel oxidation catalysts |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20130726 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20140129 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140212 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20140428 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20140508 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140603 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20141111 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20150130 |
|
A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20150227 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20150616 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20151005 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20151013 |
|
A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20151113 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20161216 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20170126 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20170223 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170327 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20170622 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20170726 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170830 |
|
A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20171003 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20171208 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6259186 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 |
|
LAPS | Cancellation because of no payment of annual fees |