CN101203301A - 用于废气净化的催化剂 - Google Patents
用于废气净化的催化剂 Download PDFInfo
- Publication number
- CN101203301A CN101203301A CNA2006800220113A CN200680022011A CN101203301A CN 101203301 A CN101203301 A CN 101203301A CN A2006800220113 A CNA2006800220113 A CN A2006800220113A CN 200680022011 A CN200680022011 A CN 200680022011A CN 101203301 A CN101203301 A CN 101203301A
- Authority
- CN
- China
- Prior art keywords
- catalyst
- catalyst layer
- layer
- gas purification
- zirconia
- 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.)
- Pending
Links
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
- B01J23/54—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
- B01J23/63—Platinum group metals with rare earths or actinides
-
- 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
-
- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- B01J23/40—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
- 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
- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/464—Rhodium
-
- 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
- B01J35/395—Thickness of the active catalytic layer
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
-
- 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
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
- F01N3/106—Auxiliary oxidation catalysts
-
- 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
-
- 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
- B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or 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
- B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
- B01J2235/30—Scanning electron microscopy; Transmission electron microscopy
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0081—Uses not provided for elsewhere in C04B2111/00 as catalysts or catalyst carriers
-
- 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
- F01N2370/00—Selection of materials for exhaust purification
- F01N2370/02—Selection of materials for exhaust purification used in catalytic reactors
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Toxicology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005179884A JP4240011B2 (ja) | 2005-06-20 | 2005-06-20 | 排ガス浄化触媒 |
| JP179884/2005 | 2005-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101203301A true CN101203301A (zh) | 2008-06-18 |
Family
ID=36988314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800220113A Pending CN101203301A (zh) | 2005-06-20 | 2006-06-20 | 用于废气净化的催化剂 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20090099011A1 (enExample) |
| EP (1) | EP1907117A1 (enExample) |
| JP (1) | JP4240011B2 (enExample) |
| KR (1) | KR20080028947A (enExample) |
| CN (1) | CN101203301A (enExample) |
| RU (1) | RU2372141C2 (enExample) |
| WO (1) | WO2006137552A1 (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102405104A (zh) * | 2009-02-20 | 2012-04-04 | 巴斯夫公司 | 负载钯的催化剂复合物 |
| CN103191734A (zh) * | 2013-03-15 | 2013-07-10 | 无锡威孚环保催化剂有限公司 | 用于汽车尾气处理的三元催化剂 |
| CN106560595A (zh) * | 2015-10-05 | 2017-04-12 | 通用汽车环球科技运作有限责任公司 | 具有老化抑制催化剂的催化转化器 |
| CN112138658A (zh) * | 2020-09-30 | 2020-12-29 | 南京工程学院 | 一种用于坦克尾气净化整体式催化剂的制备方法 |
| CN112844376A (zh) * | 2012-12-13 | 2021-05-28 | 现代自动车株式会社 | 用于内燃机的气体净化催化剂 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1974810B1 (de) * | 2007-03-19 | 2010-08-18 | Umicore AG & Co. KG | Palladium-Rhodium Einfachschicht Katalysator |
| JP5218092B2 (ja) * | 2009-01-23 | 2013-06-26 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| JP5807782B2 (ja) * | 2011-12-28 | 2015-11-10 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| US9266092B2 (en) * | 2013-01-24 | 2016-02-23 | Basf Corporation | Automotive catalyst composites having a two-metal layer |
| GB201303396D0 (en) * | 2013-02-26 | 2013-04-10 | Johnson Matthey Plc | Oxidation catalyst for a combustion engine |
| JPWO2015076403A1 (ja) * | 2013-11-22 | 2017-03-16 | 株式会社キャタラー | 排気ガス浄化用触媒 |
| US10864502B2 (en) | 2013-12-16 | 2020-12-15 | Basf Corporation | Manganese-containing diesel oxidation catalyst |
| US10252217B2 (en) * | 2014-06-05 | 2019-04-09 | Basf Corporation | Catalytic articles containing platinum group metals and non-platinum group metals and methods of making and using same |
| US11179701B2 (en) | 2016-03-25 | 2021-11-23 | Cataler Corporation | Exhaust gas purifying catalyst and production method therefor, and exhaust gas purification device using same |
| EP3468711A4 (en) * | 2016-06-13 | 2020-02-26 | BASF Corporation | CATALYTIC ITEM WITH COMBINATION OF PGM AND OSC |
| GB2560940A (en) * | 2017-03-29 | 2018-10-03 | Johnson Matthey Plc | Three layer NOx Adsorber catalyst |
| JP7600910B2 (ja) * | 2021-07-06 | 2024-12-17 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| CN116809061B (zh) * | 2023-06-16 | 2025-10-03 | 昆明贵研催化剂有限责任公司 | 一种表面负载氧化钇的铂钯铈锆铝催化剂及其制备方法和应用 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6388040A (ja) * | 1986-09-30 | 1988-04-19 | Nippon Engeruharudo Kk | 車輌用排気ガス浄化用触媒及びその製造方法 |
| JP2948232B2 (ja) * | 1989-04-04 | 1999-09-13 | 日産自動車株式会社 | 排気ガス浄化用触媒 |
| JP3591667B2 (ja) * | 1995-06-23 | 2004-11-24 | 日野自動車株式会社 | 排ガス浄化用NOx触媒及びその製造方法 |
| RU2123881C1 (ru) * | 1996-12-20 | 1998-12-27 | Борис Николаевич Перевозчиков | Каталитический нейтрализатор отработавших газов двигателя внутреннего сгорания |
| TWI290484B (en) * | 2000-03-28 | 2007-12-01 | Dmc2 Degussa Metals Catalysts | Single layer high performance catalyst |
| JP4329432B2 (ja) * | 2003-07-15 | 2009-09-09 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| US7374729B2 (en) * | 2004-03-30 | 2008-05-20 | Basf Catalysts Llc | Exhaust gas treatment catalyst |
| US20060217263A1 (en) * | 2005-03-24 | 2006-09-28 | Tokyo Roki Co., Ltd | Exhaust gas purification catalyst |
| US7638459B2 (en) * | 2005-05-25 | 2009-12-29 | Uop Llc | Layered composition and processes for preparing and using the composition |
-
2005
- 2005-06-20 JP JP2005179884A patent/JP4240011B2/ja not_active Expired - Fee Related
-
2006
- 2006-06-20 KR KR1020087001548A patent/KR20080028947A/ko not_active Ceased
- 2006-06-20 WO PCT/JP2006/312675 patent/WO2006137552A1/en not_active Ceased
- 2006-06-20 EP EP06767292A patent/EP1907117A1/en not_active Withdrawn
- 2006-06-20 US US11/922,456 patent/US20090099011A1/en not_active Abandoned
- 2006-06-20 CN CNA2006800220113A patent/CN101203301A/zh active Pending
- 2006-06-20 RU RU2008100938/04A patent/RU2372141C2/ru not_active IP Right Cessation
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102405104A (zh) * | 2009-02-20 | 2012-04-04 | 巴斯夫公司 | 负载钯的催化剂复合物 |
| CN106076332A (zh) * | 2009-02-20 | 2016-11-09 | 巴斯夫公司 | 负载钯的催化剂复合物 |
| CN112844376A (zh) * | 2012-12-13 | 2021-05-28 | 现代自动车株式会社 | 用于内燃机的气体净化催化剂 |
| CN103191734A (zh) * | 2013-03-15 | 2013-07-10 | 无锡威孚环保催化剂有限公司 | 用于汽车尾气处理的三元催化剂 |
| CN106560595A (zh) * | 2015-10-05 | 2017-04-12 | 通用汽车环球科技运作有限责任公司 | 具有老化抑制催化剂的催化转化器 |
| CN106560595B (zh) * | 2015-10-05 | 2019-07-26 | 通用汽车环球科技运作有限责任公司 | 具有老化抑制催化剂的催化转化器 |
| CN112138658A (zh) * | 2020-09-30 | 2020-12-29 | 南京工程学院 | 一种用于坦克尾气净化整体式催化剂的制备方法 |
| CN112138658B (zh) * | 2020-09-30 | 2023-09-15 | 南京工程学院 | 一种用于坦克尾气净化整体式催化剂的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2372141C2 (ru) | 2009-11-10 |
| KR20080028947A (ko) | 2008-04-02 |
| EP1907117A1 (en) | 2008-04-09 |
| WO2006137552A1 (en) | 2006-12-28 |
| JP2006346661A (ja) | 2006-12-28 |
| US20090099011A1 (en) | 2009-04-16 |
| JP4240011B2 (ja) | 2009-03-18 |
| RU2008100938A (ru) | 2009-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4767906B2 (ja) | 近位連結触媒 | |
| CN101203301A (zh) | 用于废气净化的催化剂 | |
| US6589901B2 (en) | Exhaust gas purifying catalyst and method of producing same | |
| KR101797252B1 (ko) | 소형 엔진 층상 촉매 물품 및 제조 방법 | |
| EP1341599B1 (en) | Catalyst for purifying exhaust gases | |
| JP2012520163A (ja) | 内燃エンジン用耐老化性触媒物品 | |
| CN1219586C (zh) | 净化废气用催化剂 | |
| EP3632537A1 (en) | Exhaust gas purification catalyst device | |
| CN101479023A (zh) | 三元催化剂 | |
| JPWO2010026814A1 (ja) | 排気ガス浄化用触媒及びその製造方法 | |
| JP2001232200A (ja) | 希土類金属酸化物を用いた三元触媒 | |
| CN1212880C (zh) | 低贵金属用量/高稀土元素用量氧化物催化剂 | |
| CN113042045B (zh) | 排气净化用催化剂 | |
| CN108883397A (zh) | 排气净化用催化剂及其制造方法以及使用了该排气净化用催化剂的排气净化装置 | |
| JP2012055842A (ja) | 排ガス浄化用触媒 | |
| WO2022030240A1 (ja) | 排ガス浄化用触媒 | |
| JP3756706B2 (ja) | 排気ガス浄化用触媒 | |
| EP1351755B1 (en) | Methods to reduce alkali metal migration from nox adsorbent washcoat to cordierite | |
| JPH09313938A (ja) | 排気ガス浄化用触媒 | |
| JPH09253454A (ja) | 排ガス浄化用触媒 | |
| JP2005205302A (ja) | 内燃機関用排ガス浄化触媒および排ガス浄化装置 | |
| JP4503314B2 (ja) | 排ガス浄化用触媒 | |
| KR20100129465A (ko) | 3중층 코팅구조의 삼원 촉매 | |
| US20070123418A1 (en) | Catalyst composition containing gallium for purifying exhaust gases of internal combustion engine | |
| JP2005224704A (ja) | 炭化水素吸着燃焼触媒およびその製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20080618 |