CA2635082A1 - Catalyseur de purification de gaz d'echappement - Google Patents

Catalyseur de purification de gaz d'echappement Download PDF

Info

Publication number: CA2635082A1
Authority: CA; Canada
Prior art keywords: exhaust gas; filter substrate; catalyst; alkali metal; cells
Prior art date: 2006-01-17
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.): Abandoned

Application number

CA002635082A

Other languages

English (en)

Inventor

Hitoshi Kato

Yoshitsugu Ogura

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Toyota Motor Corp

Original Assignee

Individual

Priority date (The priority date 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 date listed.)

2006-01-17

Filing date

2007-01-15

Publication date

2007-07-26

2007-01-15 Application filed by Individual filed Critical Individual

2007-07-26 Publication of CA2635082A1 publication Critical patent/CA2635082A1/fr

Status Abandoned legal-status Critical Current

Links

239000003054 catalyst Substances 0.000 title claims abstract description 107
239000000758 substrate Substances 0.000 claims abstract description 58
229910052783 alkali metal Inorganic materials 0.000 claims abstract description 36
150000001340 alkali metals Chemical class 0.000 claims abstract description 36
238000005192 partition Methods 0.000 claims abstract description 31
229910000510 noble metal Inorganic materials 0.000 claims abstract description 17
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
229910052799 carbon Inorganic materials 0.000 claims abstract description 5
239000011236 particulate material Substances 0.000 claims abstract description 4
239000011148 porous material Substances 0.000 claims description 23
238000000638 solvent extraction Methods 0.000 claims description 6
238000011144 upstream manufacturing Methods 0.000 claims description 6
229910052700 potassium Inorganic materials 0.000 claims description 4
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
239000011591 potassium Substances 0.000 claims description 2
230000003647 oxidation Effects 0.000 abstract description 18
238000007254 oxidation reaction Methods 0.000 abstract description 18
239000007789 gas Substances 0.000 description 29
239000002002 slurry Substances 0.000 description 24
239000011247 coating layer Substances 0.000 description 23
239000010410 layer Substances 0.000 description 19
230000000052 comparative effect Effects 0.000 description 15
239000000843 powder Substances 0.000 description 15
230000015572 biosynthetic process Effects 0.000 description 11
230000015556 catabolic process Effects 0.000 description 10
238000006731 degradation reaction Methods 0.000 description 10
239000007864 aqueous solution Substances 0.000 description 9
238000000034 method Methods 0.000 description 9
230000000977 initiatory effect Effects 0.000 description 8
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 7
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
230000007423 decrease Effects 0.000 description 7
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
229910052878 cordierite Inorganic materials 0.000 description 6
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 6
229910052751 metal Inorganic materials 0.000 description 6
239000002184 metal Substances 0.000 description 6
SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 6
150000001342 alkaline earth metals Chemical class 0.000 description 5
230000003197 catalytic effect Effects 0.000 description 5
230000000694 effects Effects 0.000 description 5
XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 5
238000012360 testing method Methods 0.000 description 5
230000010718 Oxidation Activity Effects 0.000 description 4
229910052784 alkaline earth metal Inorganic materials 0.000 description 4
239000000919 ceramic Substances 0.000 description 4
238000011156 evaluation Methods 0.000 description 4
239000000203 mixture Substances 0.000 description 4
229910002651 NO3 Inorganic materials 0.000 description 3
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
238000001354 calcination Methods 0.000 description 3
230000001747 exhibiting effect Effects 0.000 description 3
239000004615 ingredient Substances 0.000 description 3
229910052697 platinum Inorganic materials 0.000 description 3
235000011056 potassium acetate Nutrition 0.000 description 3
238000000746 purification Methods 0.000 description 3
RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 3
CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
238000009825 accumulation Methods 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
230000033228 biological regulation Effects 0.000 description 2
238000006555 catalytic reaction Methods 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
229910052681 coesite Inorganic materials 0.000 description 2
229910052906 cristobalite Inorganic materials 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
229910052744 lithium Inorganic materials 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
230000005012 migration Effects 0.000 description 2
238000013508 migration Methods 0.000 description 2
230000001473 noxious effect Effects 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
230000008569 process Effects 0.000 description 2
230000008929 regeneration Effects 0.000 description 2
238000011069 regeneration method Methods 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
229910052682 stishovite Inorganic materials 0.000 description 2
230000008646 thermal stress Effects 0.000 description 2
229910052905 tridymite Inorganic materials 0.000 description 2
238000009423 ventilation Methods 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
239000004215 Carbon black (E152) Substances 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
230000009471 action Effects 0.000 description 1
ITHZDDVSAWDQPZ-UHFFFAOYSA-L barium acetate Chemical compound [Ba+2].CC([O-])=O.CC([O-])=O ITHZDDVSAWDQPZ-UHFFFAOYSA-L 0.000 description 1
230000008901 benefit Effects 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
239000002131 composite material Substances 0.000 description 1
230000010485 coping Effects 0.000 description 1
230000007547 defect Effects 0.000 description 1
230000000593 degrading effect Effects 0.000 description 1
238000007598 dipping method Methods 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
230000002708 enhancing effect Effects 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
238000011049 filling Methods 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
229910052741 iridium Inorganic materials 0.000 description 1
239000000395 magnesium oxide Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
239000006262 metallic foam Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000002156 mixing Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
231100000989 no adverse effect Toxicity 0.000 description 1
239000004745 nonwoven fabric Substances 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
229910052763 palladium Inorganic materials 0.000 description 1
229910052761 rare earth metal Inorganic materials 0.000 description 1
239000011347 resin Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
229910052703 rhodium Inorganic materials 0.000 description 1
229910052707 ruthenium Inorganic materials 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
229910010271 silicon carbide Inorganic materials 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000000243 solution Substances 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
239000008107 starch Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
229910052723 transition metal Inorganic materials 0.000 description 1
150000003624 transition metals Chemical class 0.000 description 1
239000002023 wood Substances 0.000 description 1

Classifications

- 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
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
- 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
- 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
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/58—Platinum group metals with alkali- or alkaline earth 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
- B01J33/00—Protection of catalysts, e.g. by coating
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0242—Coating followed by impregnation
- 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
- 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
- B01J37/0248—Coatings comprising impregnated particles

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Chemistry (AREA)
Materials Engineering (AREA)
Oil, Petroleum & Natural Gas (AREA)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Environmental & Geological Engineering (AREA)
Biomedical Technology (AREA)
Health & Medical Sciences (AREA)
Combustion & Propulsion (AREA)
Physics & Mathematics (AREA)
Geometry (AREA)
Catalysts (AREA)
Exhaust Gas Treatment By Means Of Catalyst (AREA)
Exhaust Gas After Treatment (AREA)
Processes For Solid Components From Exhaust (AREA)
Filtering Of Dispersed Particles In Gases (AREA)

CA002635082A 2006-01-17 2007-01-15 Catalyseur de purification de gaz d'echappement Abandoned CA2635082A1 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2006-008894		2006-01-17
JP2006008894A JP2007190459A (ja)	2006-01-17	2006-01-17	Ｐｍ浄化用触媒
PCT/JP2007/050857 WO2007083779A1 (fr)	2006-01-17	2007-01-15	Catalyseur de purification de gaz d'échappement

Publications (1)

Publication Number	Publication Date
CA2635082A1 true CA2635082A1 (fr)	2007-07-26

Family

ID=38016781

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002635082A Abandoned CA2635082A1 (fr)	2006-01-17	2007-01-15	Catalyseur de purification de gaz d'echappement

Country Status (8)

Country	Link
EP (1)	EP1979070A1 (fr)
JP (1)	JP2007190459A (fr)
KR (1)	KR20080078894A (fr)
CN (1)	CN101374586A (fr)
BR (1)	BRPI0706869A2 (fr)
CA (1)	CA2635082A1 (fr)
RU (1)	RU2008133623A (fr)
WO (1)	WO2007083779A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102008039684A1 (de) *	2008-08-26	2010-03-04	Schott Ag	Thermokatalytische Beschichtung
JP6581934B2 (ja) *	2016-03-24	2019-09-25	日本碍子株式会社	ハニカムフィルタ
JP6546366B1 (ja)	2017-09-21	2019-07-17	株式会社キャタラー	排ガス浄化用触媒体
JP6529639B1 (ja) *	2018-05-17	2019-06-12	エヌ・イーケムキャット株式会社	排ガス浄化触媒の製造方法
CN110201666B (zh) *	2019-06-20	2022-01-25	中自环保科技股份有限公司	一种汽油机颗粒捕集催化剂及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4548968B2 (ja) *	2000-06-05	2010-09-22	株式会社日本自動車部品総合研究所	セラミック担体およびセラミック触媒体
WO2002020154A1 (fr) *	2000-09-08	2002-03-14	Ngk Insulators,Ltd.	Procédé de production d'un corps catalyseur et support porteur d'alumine
JP3748202B2 (ja) *	2000-09-26	2006-02-22	トヨタ自動車株式会社	排ガス浄化用触媒
JP2002282702A (ja) *	2001-01-19	2002-10-02	Ngk Insulators Ltd	触媒体
JP3855777B2 (ja) *	2002-01-23	2006-12-13	トヨタ自動車株式会社	内燃機関のパティキュレートフィルタ
JP4228278B2 (ja) *	2002-03-19	2009-02-25	トヨタ自動車株式会社	排ガス浄化用触媒
JP3933015B2 (ja) *	2002-09-03	2007-06-20	三菱自動車工業株式会社	内燃機関の排気浄化装置
JP4567285B2 (ja) *	2002-11-22	2010-10-20	日本碍子株式会社	排ガス浄化用触媒体
JP2004202427A (ja) *	2002-12-26	2004-07-22	Toyota Motor Corp	排ガス浄化フィルタ触媒

2006
- 2006-01-17 JP JP2006008894A patent/JP2007190459A/ja active Pending
2007
- 2007-01-15 KR KR1020087017134A patent/KR20080078894A/ko not_active Application Discontinuation
- 2007-01-15 WO PCT/JP2007/050857 patent/WO2007083779A1/fr active Application Filing
- 2007-01-15 CN CNA2007800032778A patent/CN101374586A/zh active Pending
- 2007-01-15 RU RU2008133623/15A patent/RU2008133623A/ru not_active Application Discontinuation
- 2007-01-15 BR BRPI0706869-7A patent/BRPI0706869A2/pt not_active IP Right Cessation
- 2007-01-15 CA CA002635082A patent/CA2635082A1/fr not_active Abandoned
- 2007-01-15 EP EP07713661A patent/EP1979070A1/fr not_active Withdrawn

Also Published As

Publication number	Publication date
EP1979070A1 (fr)	2008-10-15
JP2007190459A (ja)	2007-08-02
CN101374586A (zh)	2009-02-25
KR20080078894A (ko)	2008-08-28
BRPI0706869A2 (pt)	2011-04-12
RU2008133623A (ru)	2010-02-27
WO2007083779A1 (fr)	2007-07-26

Legal Events

Date	Code	Title	Description
2008-06-25	EEER	Examination request
2011-09-08	FZDE	Discontinued

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JP2009160547A (ja)	2009-07-23	排ガス浄化用触媒とその製造方法
JP4006645B2 (ja)	2007-11-14	排ガス浄化装置
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JP2006231116A (ja)	2006-09-07	排ガス浄化フィルタ触媒
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JP2006159020A (ja)	2006-06-22	排ガス浄化フィルタ及び排ガス浄化触媒
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JP2002336656A (ja)	2002-11-26	ディーゼル排ガス浄化用触媒