DE69809015D1 - Katalytischer umwandler mit einem katalysator bestehend aus einer molekularsiebkristalloberfläche mit darauf befindlichem edelmetall und methoden zu seiner herstellung - Google Patents

Katalytischer umwandler mit einem katalysator bestehend aus einer molekularsiebkristalloberfläche mit darauf befindlichem edelmetall und methoden zu seiner herstellung

Info

Publication number
DE69809015D1
DE69809015D1 DE69809015T DE69809015T DE69809015D1 DE 69809015 D1 DE69809015 D1 DE 69809015D1 DE 69809015 T DE69809015 T DE 69809015T DE 69809015 T DE69809015 T DE 69809015T DE 69809015 D1 DE69809015 D1 DE 69809015D1
Authority
DE
Germany
Prior art keywords
metal
production
methods
catalytic converter
crystal surface
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 - Lifetime
Application number
DE69809015T
Other languages
English (en)
Other versions
DE69809015T2 (de
Inventor
C Kharas
Robota Heinz
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.)
Umicore Autocat USA Inc
Original Assignee
Umicore Autocat USA Inc
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 Umicore Autocat USA Inc filed Critical Umicore Autocat USA Inc
Application granted granted Critical
Publication of DE69809015D1 publication Critical patent/DE69809015D1/de
Publication of DE69809015T2 publication Critical patent/DE69809015T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B01J29/068—Noble metals
    • 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
    • B01J37/0246—Coatings comprising a zeolite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/104—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/106—Gold
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9202—Linear dimensions
    • 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
    • B01J37/0201—Impregnation
    • B01J37/0211—Impregnation using a colloidal suspension
    • 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)
  • Combustion & Propulsion (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE69809015T 1997-01-27 1998-01-23 Katalytischer umwandler mit einem katalysator bestehend aus einer molekularsiebkristalloberfläche mit darauf befindlichem edelmetall und methoden zu seiner herstellung Expired - Lifetime DE69809015T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/788,214 US5897846A (en) 1997-01-27 1997-01-27 Catalytic converter having a catalyst with noble metal on molecular sieve crystal surface and method of treating diesel engine exhaust gas with same
PCT/US1998/001395 WO1998032956A2 (en) 1997-01-27 1998-01-23 Catalytic converter having a catalyst with noble metal on molecular sieve crystal surface and methods of making same

Publications (2)

Publication Number Publication Date
DE69809015D1 true DE69809015D1 (de) 2002-12-05
DE69809015T2 DE69809015T2 (de) 2003-06-18

Family

ID=25143798

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69809015T Expired - Lifetime DE69809015T2 (de) 1997-01-27 1998-01-23 Katalytischer umwandler mit einem katalysator bestehend aus einer molekularsiebkristalloberfläche mit darauf befindlichem edelmetall und methoden zu seiner herstellung

Country Status (5)

Country Link
US (2) US5897846A (de)
EP (1) EP0907413B1 (de)
JP (1) JP2002515828A (de)
DE (1) DE69809015T2 (de)
WO (1) WO1998032956A2 (de)

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KR100284936B1 (ko) * 1998-12-31 2001-04-02 김충섭 촉매 활성 귀금속 담지 제올라이트계 탈질 촉매의 제조 방법
US6592833B1 (en) * 1999-10-18 2003-07-15 Delphi Technologies, Inc. Method of NOx abatement in high temperature lean NOx catalyst systems
DK1129764T3 (da) * 2000-03-01 2006-01-23 Umicore Ag & Co Kg Katalysator til rensning af udstödningsgas fra dieselmotorer og fremgangsmåde til dens fremstilling
US6387338B1 (en) 2000-03-15 2002-05-14 Delphi Technologies, Inc. Preparation of multi-component Ce, Zr, Mox high oxygen-ion-conduct/oxygen-storage-capacity materials
JP3896998B2 (ja) * 2003-07-08 2007-03-22 トヨタ自動車株式会社 内燃機関の排気浄化装置
US20050197244A1 (en) 2004-03-05 2005-09-08 L'vovich Moroz B. Exhaust treatment system and catalyst system
FR2882531B1 (fr) * 2005-02-25 2007-04-27 Inst Francais Du Petrole Procede de preparation de catalyseurs multimetalliques utilisables dans des reactions de transformation des hydrocarbures
US7278410B2 (en) * 2005-11-17 2007-10-09 Engelhard Corporation Hydrocarbon adsorption trap for controlling evaporative emissions from EGR valves
EP3981502A1 (de) 2007-04-26 2022-04-13 Johnson Matthey Public Limited Company Übergangsmetall/zeolith-scr-katalysatoren
GB0808427D0 (en) * 2008-05-09 2008-06-18 Johnson Matthey Plc Apparatus
DE102009015592A1 (de) * 2009-03-30 2010-10-07 Süd-Chemie AG Alterungsstabiler Katalysator zur Oxidation von NO zu NO2 in Abgasströmen
US20100310441A1 (en) * 2009-06-05 2010-12-09 Basf Corporation Catalytic Article for Removal of Volatile Organic Compounds in Low Temperature Applications
US20110033353A1 (en) * 2009-08-05 2011-02-10 Basf Corporation Preparation of Diesel Oxidation Catalyst Via Deposition of Colloidal Nanoparticles
GB201000019D0 (en) * 2010-01-04 2010-02-17 Johnson Matthey Plc Coating a monolith substrate with catalyst component
DE102011010107A1 (de) 2010-02-01 2011-08-04 Johnson Matthey Public Limited Company Filter mit kombiniertem Rußoxidations- und NH3-SCR-Katalysator
US8980209B2 (en) 2012-12-12 2015-03-17 Basf Corporation Catalyst compositions, catalytic articles, systems and processes using protected molecular sieves
CN104837557B (zh) 2012-12-12 2018-06-01 巴斯夫公司 使用大颗粒分子筛的催化剂组合物、催化制品、系统和方法
GB201311615D0 (en) 2013-06-03 2013-08-14 Johnson Matthey Plc Method of coating a substrate with a catalyst component
CA2972828A1 (en) * 2015-03-19 2016-09-22 Basf Corporation Automotive catalysts with palladium supported in an alumina-free layer
CA3123538A1 (en) * 2018-12-27 2020-07-02 Nikki-Universal Co., Ltd. Catalyst for ammonia decomposition and exhaust gas treatment method

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Also Published As

Publication number Publication date
JP2002515828A (ja) 2002-05-28
US5897846A (en) 1999-04-27
US6127300A (en) 2000-10-03
DE69809015T2 (de) 2003-06-18
WO1998032956A2 (en) 1998-07-30
EP0907413A2 (de) 1999-04-14
WO1998032956A3 (en) 1998-09-11
EP0907413B1 (de) 2002-10-30

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