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
    • 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
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Control Of Electric Motors In General (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
  • Inert Electrodes (AREA)

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)

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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
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US5254519A (en) * 1990-02-22 1993-10-19 Engelhard Corporation Catalyst composition containing platinum and rhodium components
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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
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US5212142A (en) * 1991-11-04 1993-05-18 Engelhard Corporation High performance thermally stable catalyst
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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
US5898014A (en) * 1996-09-27 1999-04-27 Engelhard Corporation Catalyst composition containing oxygen storage components
US6248688B1 (en) 1996-09-27 2001-06-19 Engelhard Corporation Catalyst composition containing oxygen storage components
TW442324B (en) 1996-12-06 2001-06-23 Engelhard Corp Catalytic metal plate
US6921738B2 (en) 1996-12-06 2005-07-26 Engelhard Corporation 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
US8168560B2 (en) 2005-10-05 2012-05-01 Cataler Corporation Exhaust gas purifying catalyst
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
RU2335339C1 (ru) * 2006-12-20 2008-10-10 Открытое акционерное общество "Научно-исследовательское предприятие гиперзвуковых систем" (ОАО "НИПГС") Способ изготовления каталитического элемента
CN101568381B (zh) * 2007-02-01 2012-05-09 第一稀元素化学工业株式会社 用于机动车废气净化装置中的催化剂体系、使用该催化剂体系的废气净化装置及废气净化方法
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DE102007025442B4 (de) 2007-05-31 2023-03-02 Clariant International Ltd. Verwendung einer Vorrichtung zur Herstellung eines Schalenkatalysators und Schalenkatalysator
US8716165B2 (en) * 2008-04-30 2014-05-06 Corning Incorporated Catalysts on substrates and methods for providing the same
DE102008059341A1 (de) 2008-11-30 2010-06-10 Süd-Chemie AG Katalysatorträger, Verfahren zu seiner Herstellung sowie Verwendung
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
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WO2019163446A1 (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
JP7017621B2 (ja) * 2018-02-21 2022-02-08 株式会社キャタラー 排ガス浄化触媒装置
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Also Published As

Publication number Publication date
CN87106740A (zh) 1988-05-04
FI874243L (fi) 1988-03-31
EP0262962A3 (en) 1988-06-08
DE3784297T2 (de) 1993-06-09
EP0262962A2 (en) 1988-04-06
FI89462B (fi) 1993-06-30
FI89462C (fi) 1993-10-11
BR8704924A (pt) 1988-05-17
CA1298268C (en) 1992-03-31
DE3784297D1 (de) 1993-04-01
AU610084B2 (en) 1991-05-16
KR880003667A (ko) 1988-05-28
ES2053556T3 (es) 1994-08-01
KR960000019B1 (ko) 1996-01-03
AU7906087A (en) 1988-04-14
JPS6388040A (ja) 1988-04-19
CN1014033B (zh) 1991-09-25
FI874243A0 (fi) 1987-09-28
US4806519A (en) 1989-02-21
GR3007134T3 (es) 1993-07-30
ATE85902T1 (de) 1993-03-15
EP0262962B1 (en) 1993-02-24

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