DE69203052D1 - Katalysator zur Reinigung von Abgasen. - Google Patents

Katalysator zur Reinigung von Abgasen.

Info

Publication number
DE69203052D1
DE69203052D1 DE69203052T DE69203052T DE69203052D1 DE 69203052 D1 DE69203052 D1 DE 69203052D1 DE 69203052 T DE69203052 T DE 69203052T DE 69203052 T DE69203052 T DE 69203052T DE 69203052 D1 DE69203052 D1 DE 69203052D1
Authority
DE
Germany
Prior art keywords
exhaust gases
catalytic converter
cleaning exhaust
cleaning
catalytic
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
Application number
DE69203052T
Other languages
English (en)
Other versions
DE69203052T2 (de
Inventor
Tatsuji Mizuno
Shinichi Takeshima
Kazuhiko Sekizawa
Senshi Kasahara
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.)
Tosoh Corp
Toyota Motor Corp
Original Assignee
Tosoh Corp
Toyota Motor Corp
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.)
Filing date
Publication date
Application filed by Tosoh Corp, Toyota Motor Corp filed Critical Tosoh Corp
Publication of DE69203052D1 publication Critical patent/DE69203052D1/de
Application granted granted Critical
Publication of DE69203052T2 publication Critical patent/DE69203052T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B01D53/9445—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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
    • B01J29/072—Iron group metals or copper
    • B01J35/19—
    • B01J35/56—
    • 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
DE69203052T 1991-08-07 1992-08-06 Katalysator zur Reinigung von Abgasen. Expired - Fee Related DE69203052T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03198018A JP3086015B2 (ja) 1991-08-07 1991-08-07 排気ガス浄化用触媒

Publications (2)

Publication Number Publication Date
DE69203052D1 true DE69203052D1 (de) 1995-07-27
DE69203052T2 DE69203052T2 (de) 1995-11-30

Family

ID=16384151

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69203052T Expired - Fee Related DE69203052T2 (de) 1991-08-07 1992-08-06 Katalysator zur Reinigung von Abgasen.

Country Status (4)

Country Link
US (1) US5443803A (de)
EP (1) EP0526896B1 (de)
JP (1) JP3086015B2 (de)
DE (1) DE69203052T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6087295A (en) * 1992-12-14 2000-07-11 Asec Manufacturing Reduction of NOx in the exhaust gases from internal combustion engines containing excess oxygen
GB9315679D0 (en) * 1993-07-29 1993-09-15 Rover Group Base metal catalyst,catalytic support and two-stage process for the purification of vehicle exhaust gases
EP0691459B1 (de) * 1994-07-05 1998-11-11 Ford Motor Company Limited Katalysator System
EP0710499A3 (de) * 1994-11-04 1997-05-21 Agency Ind Science Techn Abgasreiniger und Verfahren zur Reinigung eines Abgases
DE69614438T2 (de) * 1995-04-17 2002-06-13 Eniricerche Spa Katalysator und Verfahren zur Entfernung von Stickstoffoxiden in Abgas
DE69629258T2 (de) * 1995-10-06 2004-04-22 Enitecnologie S.P.A. Katalysator und Verfahren zur Entfernung von Stickstoffoxiden in Abgas
US6133185A (en) * 1995-11-09 2000-10-17 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst
DE19709102A1 (de) 1997-03-06 1998-10-08 Degussa Katalysatorsystem zur Abgasreinigung von Dieselmotoren
DE69836974T2 (de) * 1997-09-12 2007-10-31 Toyota Jidosha Kabushiki Kaisha, Toyota Abgaskontrollkatalysator
BE1011581A3 (fr) * 1997-12-01 1999-11-09 Solvay Catalyseur a base de zeolite, son utilisation et procede d'epoxydation en presence de ce catalyseur.
US6235255B1 (en) 1999-05-21 2001-05-22 Asec Manufacturing Catalyst support having zeolite with high sodium back ion-exchange capacity and catalysts made therefrom
US6514470B1 (en) 1999-10-28 2003-02-04 The Regents Of The University Of California Catalysts for lean burn engine exhaust abatement
EP1166853A1 (de) * 2000-06-22 2002-01-02 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Katalysator zur Abgasreinigung
US6455463B1 (en) * 2001-03-13 2002-09-24 Delphi Technologies, Inc. Alkaline earth/transition metal lean NOx catalyst
US6759358B2 (en) 2001-08-21 2004-07-06 Sud-Chemie Inc. Method for washcoating a catalytic material onto a monolithic structure
FR2831468B1 (fr) * 2001-10-31 2004-09-03 Renault COMPOSITION UTILISABLE COMME PIEGE A NOx ET SON UTILISATION DANS LE TRAITEMENT DES GAZ D'ECHAPPEMENT
US6921594B2 (en) 2001-12-19 2005-07-26 Sud-Chemie Inc. Exhaust treatment and filtration system for molten carbonate fuel cells
US20050100494A1 (en) 2003-11-06 2005-05-12 George Yaluris Ferrierite compositions for reducing NOx emissions during fluid catalytic cracking
US7090811B2 (en) * 2003-12-11 2006-08-15 General Motors Corporation Method of reducing NOx in diesel engine exhaust
US7304011B2 (en) 2004-04-15 2007-12-04 W.R. Grace & Co. -Conn. Compositions and processes for reducing NOx emissions during fluid catalytic cracking
US20050232839A1 (en) 2004-04-15 2005-10-20 George Yaluris Compositions and processes for reducing NOx emissions during fluid catalytic cracking
DE102005000022A1 (de) * 2005-03-16 2006-09-28 Füsting, Bernd Sorbierender Formkörper, Verfahren zur Herstellung und Verwendung
US7918991B2 (en) 2005-04-27 2011-04-05 W. R. Grace & Co.-Conn. Compositions and processes for reducing NOx emissions during fluid catalytic cracking
US7743602B2 (en) * 2005-06-21 2010-06-29 Exxonmobil Research And Engineering Co. Reformer assisted lean NOx catalyst aftertreatment system and method
US7803338B2 (en) 2005-06-21 2010-09-28 Exonmobil Research And Engineering Company Method and apparatus for combination catalyst for reduction of NOx in combustion products
WO2009141875A1 (ja) * 2008-05-20 2009-11-26 イビデン株式会社 ハニカム構造体
JPWO2009141895A1 (ja) * 2008-05-20 2011-09-22 イビデン株式会社 排ガス浄化装置
WO2009141894A1 (ja) * 2008-05-20 2009-11-26 イビデン株式会社 ハニカム構造体
WO2009141886A1 (ja) * 2008-05-20 2009-11-26 イビデン株式会社 ハニカム構造体
US8225597B2 (en) * 2008-09-30 2012-07-24 Ford Global Technologies, Llc System for reducing NOx in exhaust
WO2011061839A1 (ja) * 2009-11-19 2011-05-26 イビデン株式会社 ハニカム構造体及び排ガス浄化装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850777B2 (ja) * 1975-03-28 1983-11-12 トウアネンリヨウコウギヨウ カブシキガイシヤ チツソサンカブツノカンゲンヨウシヨクバイ
JPS60125250A (ja) * 1983-12-08 1985-07-04 Shiyuuichi Kagawa 窒素酸化物の接触分解触媒及びその使用方法
DE3713169A1 (de) * 1987-04-17 1988-11-03 Bayer Ag Verfahren und vorrichtung zur reduktion von stickoxiden
FR2622126B1 (fr) * 1987-10-21 1991-06-14 Procatalyse Ste Fse Produits C Catalyseur pour le traitement des gaz d'echappement des moteurs a combustion interne et procede de fabrication de ce catalyseur
AU617908B2 (en) * 1988-12-16 1991-12-05 Tosoh Corporation Method for exhaust gas cleaning
CA2024154C (en) * 1989-08-31 1995-02-14 Senshi Kasahara Catalyst for reducing nitrogen oxides from exhaust gas
DE69030161T2 (de) * 1989-12-21 1997-08-14 Tosoh Corp Verfahren zur Reinigung von Abgasen mit Sauerstoffüberschuss
JP2901295B2 (ja) * 1989-12-26 1999-06-07 東ソー株式会社 排ガス浄化触媒及びその使用方法
US5051244A (en) * 1990-07-20 1991-09-24 Uop Use of a molecular sieve bed to minimize emissions during cold start of internal combustion engines
TW322471B (de) * 1995-04-04 1997-12-11 Ube Industries

Also Published As

Publication number Publication date
JP3086015B2 (ja) 2000-09-11
EP0526896B1 (de) 1995-06-21
DE69203052T2 (de) 1995-11-30
EP0526896A1 (de) 1993-02-10
US5443803A (en) 1995-08-22
JPH0538452A (ja) 1993-02-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee