MX168849B - Catalizador para purificar gases de escape de un vehiculo de motor y procedimiento para su produccion - Google Patents

Catalizador para purificar gases de escape de un vehiculo de motor y procedimiento para su produccion

Info

Publication number
MX168849B
MX168849B MX008296A MX829687A MX168849B MX 168849 B MX168849 B MX 168849B MX 008296 A MX008296 A MX 008296A MX 829687 A MX829687 A MX 829687A MX 168849 B MX168849 B MX 168849B
Authority
MX
Mexico
Prior art keywords
catalyst
support
inner layer
exhaust gases
catalytically active
Prior art date
Application number
MX008296A
Other languages
English (en)
Inventor
Tadao Chiba
Masaki Funabiki
Tsunao Watanabe
Original Assignee
Engelhard 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 Engelhard Corp filed Critical Engelhard Corp
Publication of MX168849B publication Critical patent/MX168849B/es

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
    • 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
    • B01J35/56—
    • B01J35/61—
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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

Abstract

La presente invención se refiere a un catalizador para purificar gases de escape, que comprenden esencialmente un soporte monolítico refractario, catalíticamente inerte en forma substancial, una capa interna que contiene un óxido refractario, catalíticamente activo, formado sobre el soporte, y una capa externa que contiene un óxido refractario, catalíticamente activo, formado sobre la capa interna, caracterizada porque: el soporte tiene canales de flujo, longitudinales y continuos, sin obstruir, cada uno extendiendose a través del soporte y definidos por una pared delgada; la capa interna se deposita sobre las paredes de los canales y contiene el óxido de cerio y el platino y tiene un peso de 10 a 200 gramos por litro del catalizador; la capa externa se deposita sobre la capa interna, contiene el compuesto de zirconio y el rodio y tiene un peso de 5 a 60 gramos por litro de catalizador; y el óxido refractario, catalíticamente activo, se divide finamente y tiene un área superficial específica de al menos unos 10 m cuadrados/g.
MX008296A 1986-09-30 1987-09-14 Catalizador para purificar gases de escape de un vehiculo de motor y procedimiento para su produccion MX168849B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61230026A JPS6388040A (ja) 1986-09-30 1986-09-30 車輌用排気ガス浄化用触媒及びその製造方法

Publications (1)

Publication Number Publication Date
MX168849B true MX168849B (es) 1993-06-11

Family

ID=16901405

Family Applications (1)

Application Number Title Priority Date Filing Date
MX008296A MX168849B (es) 1986-09-30 1987-09-14 Catalizador para purificar gases de escape de un vehiculo de motor y procedimiento para su produccion

Country Status (14)

Country Link
US (1) US4806519A (es)
EP (1) EP0262962B1 (es)
JP (1) JPS6388040A (es)
KR (1) KR960000019B1 (es)
CN (1) CN1014033B (es)
AT (1) ATE85902T1 (es)
AU (1) AU610084B2 (es)
BR (1) BR8704924A (es)
CA (1) CA1298268C (es)
DE (1) DE3784297T2 (es)
ES (1) ES2053556T3 (es)
FI (1) FI89462C (es)
GR (1) GR3007134T3 (es)
MX (1) MX168849B (es)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0675675B2 (ja) * 1986-11-04 1994-09-28 トヨタ自動車株式会社 排気ガス浄化用触媒
US4782038C1 (en) * 1987-10-26 2001-04-17 Ford Motor Co Platinum group alumina-supported metal oxidation catalysts and method of making same
SE462143C (sv) * 1988-03-07 1996-01-18 Heraeus Gmbh W C Katalysator för bilavgasrening, förfarande för framställning därav samt användning därav
US5015617A (en) * 1988-04-14 1991-05-14 Nippon Shokubai Kagaku Kogyo Co., Ltd. Catalyst for purifying exhaust gas and method for production thereof
US5047381A (en) * 1988-11-21 1991-09-10 General Electric Company Laminated substrate for catalytic combustor reactor bed
US5286699A (en) * 1988-12-09 1994-02-15 Nippon Shokubai Kagaku Kogyo Co., Ltd. Exhaust gas purifying catalyst suppressing the generation of hydrogen sulfide and method of making the catalyst
JP2858945B2 (ja) * 1989-06-09 1999-02-17 エヌ・イーケムキヤツト株式会社 耐熱性に優れた排気ガス浄化用触媒及びその製造方法
JPH0338250A (ja) * 1989-07-06 1991-02-19 Mazda Motor Corp 排気ガス浄化用触媒
US5010051A (en) * 1989-11-08 1991-04-23 Engelhard Corporation Staged three-way conversion catalyst and method of using the same
US5130109A (en) * 1990-02-22 1992-07-14 Wan Chung Zong Catalyst composition containing segregated platinum and rhodium components
US5254519A (en) * 1990-02-22 1993-10-19 Engelhard Corporation Catalyst composition containing platinum and rhodium components
US5057483A (en) * 1990-02-22 1991-10-15 Engelhard Corporation Catalyst composition containing segregated platinum and rhodium components
JP3113662B2 (ja) * 1990-02-26 2000-12-04 株式会社日本触媒 ディーゼルエンジン排ガス浄化用触媒体
JP3061399B2 (ja) * 1990-06-20 2000-07-10 株式会社日本触媒 ディーゼルエンジン排ガス浄化用触媒および浄化方法
US5116800A (en) * 1990-12-11 1992-05-26 Allied-Signal Inc. High durability and exhuast catalyst with low hydrogen sulfide emissions
JP2848970B2 (ja) * 1990-12-21 1999-01-20 日本碍子株式会社 ハニカムヒーター及び触媒コンバーター
NL9100210A (nl) * 1991-02-06 1992-09-01 Veg Gasinstituut Nv Katalysator- of membraan-precursorsystemen, katalysator- of membraan-systemen alsmede werkwijze voor de vervaardiging daarvan.
US5168085A (en) * 1991-05-20 1992-12-01 Corning Incorporated Multi-stage twc system
DE69210127T2 (de) * 1991-07-25 1996-11-14 Corning Inc Katalysator mit imprägnierten Poren
US5212142A (en) * 1991-11-04 1993-05-18 Engelhard Corporation High performance thermally stable catalyst
DE69417889T2 (de) * 1993-06-25 1999-10-07 Engelhard Corp Zusammengesetzten schichtkatalysator
FR2720296B1 (fr) * 1994-05-27 1996-07-12 Rhone Poulenc Chimie Composés à base d'alumine, d'oxyde de cérium et d'oxyde de zirconium à réductibilité élevée, leur procédé de préparation et leur utilisation dans la préparation de catalyseurs.
JP3511314B2 (ja) * 1994-07-12 2004-03-29 株式会社キャタラー 排気ガス浄化用触媒および排気ガス浄化方法
US5556825A (en) * 1995-01-06 1996-09-17 Ford Motor Company Automotive catalysts with improved oxygen storage and metal dispersion
JP3286134B2 (ja) * 1995-10-12 2002-05-27 ファイラックインターナショナル株式会社 流体燃料の改質用セラミックス触媒
US6087298A (en) * 1996-05-14 2000-07-11 Engelhard Corporation Exhaust gas treatment system
US5948723A (en) * 1996-09-04 1999-09-07 Engelhard Corporation Layered catalyst composite
US5948377A (en) * 1996-09-04 1999-09-07 Engelhard Corporation Catalyst composition
US5981427A (en) * 1996-09-04 1999-11-09 Engelhard Corporation Catalyst composition
US6248688B1 (en) 1996-09-27 2001-06-19 Engelhard Corporation Catalyst composition containing oxygen storage components
US5898014A (en) * 1996-09-27 1999-04-27 Engelhard Corporation Catalyst composition containing oxygen storage components
US6921738B2 (en) 1996-12-06 2005-07-26 Engelhard Corporation Catalytic metal plate
TW442324B (en) 1996-12-06 2001-06-23 Engelhard Corp Catalytic metal plate
CN1104956C (zh) * 1997-03-25 2003-04-09 市村富久代 流体燃料重组陶瓷催化剂及其制造方法
US6221804B1 (en) * 1998-01-27 2001-04-24 Mazda Motor Corporation Catalyst for purifying exhaust gas and manufacturing method thereof
US6110862A (en) * 1998-05-07 2000-08-29 Engelhard Corporation Catalytic material having improved conversion performance
JP3777589B2 (ja) * 2000-02-28 2006-05-24 日産自動車株式会社 排気ガス浄化用触媒および排気ガス浄化用触媒の製造方法
JP3965676B2 (ja) * 2001-12-27 2007-08-29 日産自動車株式会社 排ガス浄化用触媒及び排ガス浄化システム
JP3915694B2 (ja) 2002-01-24 2007-05-16 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
US20050164879A1 (en) * 2004-01-28 2005-07-28 Engelhard Corporation Layered SOx tolerant NOx trap catalysts and methods of making and using the same
JP4165441B2 (ja) * 2004-04-27 2008-10-15 トヨタ自動車株式会社 排ガス浄化触媒の製造方法
JP2006068665A (ja) * 2004-09-03 2006-03-16 Toyota Motor Corp 排ガス浄化触媒の製造方法及び排ガス浄化触媒
JP4648089B2 (ja) * 2005-05-27 2011-03-09 株式会社キャタラー 排ガス浄化用触媒
JP4240011B2 (ja) * 2005-06-20 2009-03-18 トヨタ自動車株式会社 排ガス浄化触媒
JP4838258B2 (ja) 2005-10-05 2011-12-14 株式会社キャタラー 排ガス浄化用触媒
JP5373255B2 (ja) * 2006-05-29 2013-12-18 株式会社キャタラー ＮＯｘ還元触媒、ＮＯｘ還元触媒システム、及びＮＯｘ還元方法
JP5202336B2 (ja) * 2007-02-01 2013-06-05 第一稀元素化学工業株式会社 自動車用排気ガス浄化装置に用いられる触媒系、それを用いた排気ガス浄化装置、及び排気ガス浄化方法
DE102007025442B4 (de) 2007-05-31 2023-03-02 Clariant International Ltd. Verwendung einer Vorrichtung zur Herstellung eines Schalenkatalysators und Schalenkatalysator
DE102007025223A1 (de) 2007-05-31 2008-12-04 Süd-Chemie AG Zirkoniumoxid-dotierter VAM-Schalenkatalysator, Verfahren zu dessen Herstellung sowie dessen Verwendung
US8716165B2 (en) 2008-04-30 2014-05-06 Corning Incorporated Catalysts on substrates and methods for providing the same
DE202008017277U1 (de) * 2008-11-30 2009-04-30 Süd-Chemie AG Katalysatorträger
DE102009024158A1 (de) 2009-06-08 2010-12-09 Süd-Chemie AG Verfahren zur Herstellung eines Dreiwegekatalysators mit Rhodium und Platin geträgert auf getrennten Oxidträgern mit nur einem Beschichtungsschritt und Kalzinierschritt
JP5903205B2 (ja) * 2010-01-04 2016-04-13 株式会社キャタラー 排ガス浄化用触媒
TW201502356A (zh) * 2013-02-21 2015-01-16 Exxonmobil Upstream Res Co 氣渦輪機排氣中氧之減少
CN103157470B (zh) * 2013-03-15 2015-11-04 无锡威孚环保催化剂有限公司 汽车尾气三元催化剂
WO2019163403A1 (ja) * 2018-02-21 2019-08-29 株式会社キャタラー 排ガス浄化触媒装置
JP6968972B2 (ja) 2018-02-21 2021-11-24 株式会社キャタラー 排ガス浄化触媒装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1492929A (en) * 1973-10-24 1977-11-23 Johnson Matthey Co Ltd Catalytic structures having metallic substrates
SE464798B (sv) * 1973-10-24 1991-06-17 Johnson Matthey Co Ltd Katalysator innefattande ett substrat, ett mellanliggande oxidskikt och ett katalytiskt skikt
FR2466278A1 (fr) * 1979-10-04 1981-04-10 Pro Catalyse Catalyseur et procede de traitement des gaz d'echappement des moteurs a combustion interne
JPS59127649A (ja) * 1983-01-05 1984-07-23 Toyota Motor Corp 排気ガス浄化用触媒
CA1213874A (en) * 1983-05-12 1986-11-12 Tomohisa Ohata Process for producing honeycomb catalyst for exhaust gas conversion
FR2546078B1 (fr) * 1983-05-19 1987-05-07 Pro Catalyse Procede de fabrication de catalyseurs pour le traitement des gaz d'echappement des moteurs a combustion interne
JPS60110334A (ja) * 1983-11-21 1985-06-15 Nissan Motor Co Ltd 排ガス浄化用触媒の製造方法
FR2568143B1 (fr) * 1984-07-30 1986-12-05 Prod Catalyse Ste Fse Catalyseur et procede pour le traitement des gaz d'echappement des moteurs a combustion interne

Also Published As

Publication number Publication date
GR3007134T3 (es) 1993-07-30
EP0262962B1 (en) 1993-02-24
AU7906087A (en) 1988-04-14
BR8704924A (pt) 1988-05-17
KR960000019B1 (ko) 1996-01-03
FI874243A0 (fi) 1987-09-28
DE3784297T2 (de) 1993-06-09
CN1014033B (zh) 1991-09-25
ES2053556T3 (es) 1994-08-01
FI89462C (fi) 1993-10-11
AU610084B2 (en) 1991-05-16
CA1298268C (en) 1992-03-31
EP0262962A3 (en) 1988-06-08
KR880003667A (ko) 1988-05-28
DE3784297D1 (de) 1993-04-01
ATE85902T1 (de) 1993-03-15
FI874243A (fi) 1988-03-31
US4806519A (en) 1989-02-21
FI89462B (fi) 1993-06-30
EP0262962A2 (en) 1988-04-06
CN87106740A (zh) 1988-05-04
JPS6388040A (ja) 1988-04-19

Similar Documents

Publication Publication Date Title
MX168849B (es) Catalizador para purificar gases de escape de un vehiculo de motor y procedimiento para su produccion
JPS6458347A (en) Catalyst of superior heat resistance for purifying internal combustion engine exhaust gas and its preparation
IT8723257A0 (it) Dispositivo per la depurazione catalitica dei gas di scarico dei motori di autoveicoli.
ES2071099T3 (es) Catalizador de la purificacion de gases de escape con excelente resistencia termica y metodo de produccion del mismo.
SE8800802D0 (sv) Katalysator for bilavgasrening, forfarande for framstellning derav samt anvendning derav
IT1035979B (it) Apparecchiatura catalitica per la depurazione di gas di scarico
IT1007921B (it) Catalizzatore per gas di scarico di automobili e supporto per cata lizzatore con elevata area super ficiale
IT954461B (it) Convertitore catalitico per la purificazione dei gas di scarico di veicoli a motore
ATE45103T1 (de) Verfahren zur herstellung eines monolithischen katalysators zur abgasreinigung.
ATE16768T1 (de) Katalysatoren.
GB1014498A (en) Method of and apparatus for catalytically filtering and cleaning exhaust gases from internal combustion engines
JPS6480431A (en) Method for reduction of nitrogen oxides
KR960028968A (ko) 배기 가스 정화용 촉매
IT1035978B (it) Apparecchiatura catalitica per la depurazione di gas di scarico
DK0636052T3 (da) Indretning til rensning af afgangsgasser
IT1154530B (it) Sostanze di supporto per catalizzatori per la depurazione di gas di rifiuto e procedimento per la loro preparazione
GB1058980A (en) Process for catalytically purifying gases containing oxides of nitrogen and catalyst therefor
JPS5787837A (en) Production of catalyst for purification of waste gas
JPS60225651A (ja) 自動車排気ガス浄化用モノリス触媒
IT1035977B (it) Apparecchiatura catalitica per la depurazione di gas di scarico
IT210628Z2 (it) Convertitore catalitico per gas di scarico di veicoli
JPS59521A (ja) 内燃機関排気ガス浄化用触媒反応装置
IT960412B (it) Catalizzatore per la conversione di gas contenenti monossido di car bonio idrocarburi o entrambi
IT1003415B (it) Struttura catalitica particolarmen te per la purificazione dei gas di scarico di autoveicoli
FR2373330A1 (fr) Procede de preparation d'un catalyseur