AR013112A1 - Catalizador de depuracion de gas de escape para motores de combustion interna con dos capas cataliticamente activas sobre un cuerpo portador, y procedimiento para la fabricacion de un catalizador de depuracion de gas de escape - Google Patents

Catalizador de depuracion de gas de escape para motores de combustion interna con dos capas cataliticamente activas sobre un cuerpo portador, y procedimiento para la fabricacion de un catalizador de depuracion de gas de escape

Info

Publication number
AR013112A1
AR013112A1 ARP980102974A ARP980102974A AR013112A1 AR 013112 A1 AR013112 A1 AR 013112A1 AR P980102974 A ARP980102974 A AR P980102974A AR P980102974 A ARP980102974 A AR P980102974A AR 013112 A1 AR013112 A1 AR 013112A1
Authority
AR
Argentina
Prior art keywords
exhaust gas
catalyst
carrier body
manufacture
depuration
Prior art date
Application number
ARP980102974A
Other languages
English (en)
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of AR013112A1 publication Critical patent/AR013112A1/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
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

Un catalizador de depuracion de gas de escape con dos capas catalíticamente activas sobre un cuerpo portador, en el que la primera capaque se encuentra sobre el cuerpo portador incluye varios solidos en partículas finas, uno o másox idos de metal alcalinotérreo, así como por lo menos un metaldel grupo del platino, en el que los solidos en partículas finas tienen por lo menos un material en partículas finas que acumula oxígeno, así como por lomenos un componente más enpartíc ulas finas, y en el que los metales del grupo del platino están en un estrecho contacto con todas las partesintegrantes de la primera capa. Varios procedimientos para la fabricacion de un catalizador de depuracion de gas deescape.
ARP980102974A 1997-06-20 1998-06-19 Catalizador de depuracion de gas de escape para motores de combustion interna con dos capas cataliticamente activas sobre un cuerpo portador, y procedimiento para la fabricacion de un catalizador de depuracion de gas de escape AR013112A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19726322A DE19726322A1 (de) 1997-06-20 1997-06-20 Abgasreinigungskatalysator für Verbrennungsmotoren mit zwei katalytisch aktiven Schichten auf einem Tragkörper

Publications (1)

Publication Number Publication Date
AR013112A1 true AR013112A1 (es) 2000-12-13

Family

ID=7833194

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP980102974A AR013112A1 (es) 1997-06-20 1998-06-19 Catalizador de depuracion de gas de escape para motores de combustion interna con dos capas cataliticamente activas sobre un cuerpo portador, y procedimiento para la fabricacion de un catalizador de depuracion de gas de escape

Country Status (5)

Country Link
EP (1) EP0885650B1 (es)
JP (1) JP4056629B2 (es)
AR (1) AR013112A1 (es)
BR (1) BRPI9802036B8 (es)
DE (2) DE19726322A1 (es)

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Also Published As

Publication number Publication date
EP0885650A2 (de) 1998-12-23
EP0885650B1 (de) 2005-04-06
EP0885650A3 (de) 1999-03-31
BR9802036A (pt) 1999-12-21
BRPI9802036B8 (pt) 2017-02-21
BR9802036B1 (pt) 2013-10-29
DE19726322A1 (de) 1998-12-24
JP4056629B2 (ja) 2008-03-05
JPH1170332A (ja) 1999-03-16
DE59812704D1 (de) 2005-05-12

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