JP5351512B2 - 触媒及び排ガス浄化方法 - Google Patents
触媒及び排ガス浄化方法 Download PDFInfo
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- JP5351512B2 JP5351512B2 JP2008333236A JP2008333236A JP5351512B2 JP 5351512 B2 JP5351512 B2 JP 5351512B2 JP 2008333236 A JP2008333236 A JP 2008333236A JP 2008333236 A JP2008333236 A JP 2008333236A JP 5351512 B2 JP5351512 B2 JP 5351512B2
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- 239000003054 catalyst Substances 0.000 title claims description 153
- 238000000746 purification Methods 0.000 title claims description 32
- 238000000034 method Methods 0.000 title claims description 25
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 122
- 239000002245 particle Substances 0.000 claims description 66
- 229910052697 platinum Inorganic materials 0.000 claims description 61
- 239000007789 gas Substances 0.000 claims description 49
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 35
- 239000003638 chemical reducing agent Substances 0.000 claims description 27
- 239000000919 ceramic Substances 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 14
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 229910021536 Zeolite Inorganic materials 0.000 claims description 9
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 9
- 239000010457 zeolite Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000011068 loading method Methods 0.000 claims description 7
- 239000011224 oxide ceramic Substances 0.000 claims description 6
- 229910052574 oxide ceramic Inorganic materials 0.000 claims description 6
- 230000001186 cumulative effect Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000006479 redox reaction Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 229910002089 NOx Inorganic materials 0.000 description 41
- 239000000084 colloidal system Substances 0.000 description 19
- 239000007864 aqueous solution Substances 0.000 description 17
- 230000009467 reduction Effects 0.000 description 13
- 238000006722 reduction reaction Methods 0.000 description 13
- 230000003647 oxidation Effects 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000002360 preparation method Methods 0.000 description 8
- 239000002202 Polyethylene glycol Substances 0.000 description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 7
- 239000004202 carbamide Substances 0.000 description 7
- 229910052878 cordierite Inorganic materials 0.000 description 7
- 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 7
- 239000000203 mixture Substances 0.000 description 7
- 229920001223 polyethylene glycol Polymers 0.000 description 7
- 230000001603 reducing effect Effects 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine hydrate Chemical compound O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- 150000003057 platinum Chemical class 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 5
- 239000012266 salt solution Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 4
- 239000003223 protective agent Substances 0.000 description 4
- 229910052703 rhodium Inorganic materials 0.000 description 4
- 239000010948 rhodium Substances 0.000 description 4
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 4
- VXNYVYJABGOSBX-UHFFFAOYSA-N rhodium(3+);trinitrate Chemical compound [Rh+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VXNYVYJABGOSBX-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- IXSUHTFXKKBBJP-UHFFFAOYSA-L azanide;platinum(2+);dinitrite Chemical compound [NH2-].[NH2-].[Pt+2].[O-]N=O.[O-]N=O IXSUHTFXKKBBJP-UHFFFAOYSA-L 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229920002873 Polyethylenimine Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000000366 colloid method Methods 0.000 description 2
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- HLMXWUYOTWZKHB-UHFFFAOYSA-N 2-aminoethanol;platinum Chemical compound [Pt].NCCO HLMXWUYOTWZKHB-UHFFFAOYSA-N 0.000 description 1
- 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
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000010718 Oxidation Activity Effects 0.000 description 1
- 230000010757 Reduction Activity Effects 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- FOSZYDNAURUMOT-UHFFFAOYSA-J azane;platinum(4+);tetrachloride Chemical compound N.N.N.N.[Cl-].[Cl-].[Cl-].[Cl-].[Pt+4] FOSZYDNAURUMOT-UHFFFAOYSA-J 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine Substances NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 1
- -1 hydrazine compound Chemical class 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 1
- SJLOMQIUPFZJAN-UHFFFAOYSA-N oxorhodium Chemical compound [Rh]=O SJLOMQIUPFZJAN-UHFFFAOYSA-N 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910003450 rhodium oxide Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0244—Coatings comprising several layers
-
- 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
- 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
- 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
-
- 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
- B01J37/16—Reducing
-
- 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
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2092—Aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/902—Multilayered catalyst
- B01D2255/9022—Two layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/92—Dimensions
- B01D2255/9202—Linear dimensions
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
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- 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
- F01N2510/00—Surface coverings
- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
- F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
- F01N2510/0684—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having more than one coating layer, e.g. multi-layered coatings
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
Description
Claims (7)
- 排ガス中の窒素酸化物(NOx)を酸化反応及び還元反応を経て浄化するための触媒において、
第1触媒層と第2触媒層とからなり、
前記第1触媒層は、酸化物系セラミックからなる担体に、触媒成分として、平均粒径が150〜250nmであり、粒子径分布における小粒径側からの積算分布20%の粒径D20が100nm以上で、且つ、積算分布90%の粒径D90が350nm以下の白金粒子が担持されており、
前記第2触媒層は、酸化物系セラミックからなる担体に、触媒成分として、平均粒径が300〜500nmであり、粒子径分布における小粒径側からの積算分布20%の粒径D20が200nm以上で、且つ、積算分布90%の粒径D90が700nm以下の白金粒子が担持されており、
前記第1触媒層と前記第2触媒層とは排ガスの流れに対して直列に配置されており、上流側に第1触媒層が下流側に第2触媒層が配置されたものであることを特徴とする排ガス浄化触媒。 - 第1触媒層の触媒成分の担持量は、担体に対する白金質量で0.1g〜5.0g/Lの割合であり、
第2触媒層の触媒成分の担持量は、担体に対する白金質量で0.1g〜5.0g/Lの割合である請求項1に記載の排ガス浄化触媒。 - 酸化物系セラミックからなる担体は、セラミックハニカム、メタルハニカム又は不織布の構造体の少なくとも一部にウォッシュコートされたものである請求項1又は請求項2に記載の排ガス浄化触媒。
- 第1触媒層の酸化物系セラミックからなる担体は、アルミナ、ゼオライト、シリカのいずれか1つである請求項1〜請求項3のいずれかに記載の排ガス浄化触媒。
- 第2触媒層の酸化物系セラミックからなる担体は、アルミナ、又はゼオライトである請求項1〜請求項4のいずれかに記載の排ガス浄化触媒。
- 請求項1〜請求項5のいずれかに記載の触媒と還元剤を用いた排ガス浄化方法であって、
排ガスを第1触媒層に導入し、第1触媒層を通過した排ガスを第2触媒層に導入することを特徴とする排ガス浄化方法。 - 還元剤は、排ガスとともに第1触媒層に導入する請求項6に記載の排ガス浄化方法。
Priority Applications (4)
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JP2008333236A JP5351512B2 (ja) | 2008-12-26 | 2008-12-26 | 触媒及び排ガス浄化方法 |
PCT/JP2009/071019 WO2010073956A1 (ja) | 2008-12-26 | 2009-12-17 | 触媒及び排ガス浄化方法 |
CN200980112368.4A CN101980779B (zh) | 2008-12-26 | 2009-12-17 | 催化剂及废气净化方法 |
TW098144139A TWI403360B (zh) | 2008-12-26 | 2009-12-22 | 觸媒及排氣淨化方法 |
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JP2010149097A JP2010149097A (ja) | 2010-07-08 |
JP5351512B2 true JP5351512B2 (ja) | 2013-11-27 |
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JP (1) | JP5351512B2 (ja) |
CN (1) | CN101980779B (ja) |
TW (1) | TWI403360B (ja) |
WO (1) | WO2010073956A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104174393B (zh) * | 2014-09-05 | 2016-04-27 | 中国科学院福建物质结构研究所 | 一种用于CO气相氧化偶联生产草酸酯的Pd/ZnO高效纳米催化剂及其制备方法和应用 |
CN105617857B (zh) * | 2016-01-06 | 2017-12-01 | 昆明理工大学 | 一种ph3选择性低温催化还原no的方法 |
WO2020001840A1 (en) * | 2018-06-27 | 2020-01-02 | Rhodia Operations | Catalyst for base-free aerobic oxidation of glucose to glucaric acid; said process and said catalyst's preparation |
CN109248681A (zh) * | 2018-09-06 | 2019-01-22 | 南京蔚岚环境技术研究院有限公司 | 一种一氧化碳氧化催化剂及其制备方法和涂覆该催化剂在载体上的方法 |
WO2020149315A1 (ja) * | 2019-01-15 | 2020-07-23 | 日立造船株式会社 | 排ガス浄化用触媒および排ガス浄化用触媒の製造方法 |
EP3782727A1 (de) * | 2019-08-20 | 2021-02-24 | Umicore Ag & Co. Kg | Katalysator zur reduzierung von ammoniak-emissionen |
JP6921261B1 (ja) * | 2020-03-26 | 2021-08-18 | 株式会社キャタラー | 排ガス浄化触媒装置 |
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JPH08229356A (ja) * | 1995-03-01 | 1996-09-10 | Toyota Motor Corp | 排ガス浄化装置 |
JPH0919626A (ja) * | 1995-07-05 | 1997-01-21 | Nippon Soken Inc | 窒素酸化物の浄化装置 |
JPH09103651A (ja) * | 1995-10-11 | 1997-04-22 | Toyota Central Res & Dev Lab Inc | 排ガス浄化装置及び排ガス浄化方法 |
JPH1015355A (ja) * | 1996-07-05 | 1998-01-20 | Kawasaki Heavy Ind Ltd | 脱硝方法及び装置 |
JPH10118454A (ja) * | 1996-10-23 | 1998-05-12 | Hino Motors Ltd | 排気ガス浄化装置 |
US6511642B1 (en) * | 1999-01-12 | 2003-01-28 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Porous material, catalyst, method of producing the porous material and method for purifying exhaust gas |
US20040152593A1 (en) * | 2003-01-30 | 2004-08-05 | Cutler Willard A. | Catalyst support |
JP2007000812A (ja) * | 2005-06-24 | 2007-01-11 | Nissan Motor Co Ltd | 排気ガス浄化システム |
JP4826207B2 (ja) * | 2005-10-28 | 2011-11-30 | 日産自動車株式会社 | 排ガス浄化触媒及び排ガス浄化触媒の製造方法 |
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CN101980779A (zh) | 2011-02-23 |
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