ZA9975B - Thermally durable, low H2S three way catalysts. - Google Patents

Thermally durable, low H2S three way catalysts.

Info

Publication number
ZA9975B
ZA9975B ZA9900075A ZA9975A ZA9975B ZA 9975 B ZA9975 B ZA 9975B ZA 9900075 A ZA9900075 A ZA 9900075A ZA 9975 A ZA9975 A ZA 9975A ZA 9975 B ZA9975 B ZA 9975B
Authority
ZA
South Africa
Prior art keywords
layer
constituents
disposed
low
metal additive
Prior art date
Application number
ZA9900075A
Other languages
English (en)
Inventor
Paul Joseph Andersen
Todd Howard Ballinger
Christopher John Bennett
Original Assignee
Johnson Matthey Plc
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 Johnson Matthey Plc filed Critical Johnson Matthey Plc
Publication of ZA9975B publication Critical patent/ZA9975B/xx

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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
ZA9900075A 1998-01-08 1999-01-06 Thermally durable, low H2S three way catalysts. ZA9975B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/004,575 US6022825A (en) 1998-01-08 1998-01-08 Thermally durable low H2 S three-way catalysts

Publications (1)

Publication Number Publication Date
ZA9975B true ZA9975B (en) 1999-07-06

Family

ID=21711451

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9900075A ZA9975B (en) 1998-01-08 1999-01-06 Thermally durable, low H2S three way catalysts.

Country Status (10)

Country Link
US (1) US6022825A (fr)
EP (1) EP1045729B1 (fr)
AT (1) ATE218916T1 (fr)
AU (1) AU732740B2 (fr)
CA (1) CA2318570C (fr)
DE (1) DE69806064T2 (fr)
ES (1) ES2178858T3 (fr)
TW (1) TW442332B (fr)
WO (1) WO1999034903A1 (fr)
ZA (1) ZA9975B (fr)

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US6335305B1 (en) * 1999-01-18 2002-01-01 Kabushiki Kaisha Toyota Chuo Kenkyusho Catalyst for purifying exhaust gas
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EP1337330A2 (fr) * 2000-09-18 2003-08-27 Valtion Teknillinen Tutkimuskeskus Catalyseur et procede de reduction catalytique d'oxydes d'azote
US6835689B1 (en) * 2000-10-10 2004-12-28 Corning Incorporated NH3 generation catalysts for lean-burn and diesel applications
US6887438B2 (en) * 2000-12-21 2005-05-03 Delphi Technologies, Inc. NOx control
FI20010973A7 (fi) * 2001-05-09 2002-11-10 Valtion Teknillinen Tutkimuskeskus Katalysaattori ja menetelmä typpioksidien katalyyttiseksi pelkistämiseksi
JP4645786B2 (ja) * 2001-06-08 2011-03-09 三菱自動車工業株式会社 排ガス浄化用触媒
US20040038801A1 (en) * 2001-10-16 2004-02-26 Hiroto Kikuchi Catalyst using metal carrier and manufacturing method thereof
US6930073B2 (en) * 2001-11-05 2005-08-16 Delphi Technologies, Inc. NiO catalyst configurations, methods for making NOx adsorbers, and methods for reducing emissions
JP3854134B2 (ja) * 2001-12-04 2006-12-06 本田技研工業株式会社 内燃機関用排気ガス浄化装置
US7022644B2 (en) 2002-02-20 2006-04-04 Engelhard Corporation Hydrogen sulfide-suppressing catalyst compositions
AU2003277384A1 (en) * 2002-10-25 2004-05-25 Nuvera Fuel Cells Autothermal reforming catalyst
US7067454B2 (en) * 2003-04-09 2006-06-27 Honeywell International Inc. Low cost quick response catalyst system
DE10340653B4 (de) * 2003-09-03 2006-04-27 Hte Ag The High Throughput Experimentation Company Katalysator für die Entfernung von Schadstoffen aus Abgasen von Mager-Motoren mit Ruthenium als Aktiv-Metall
US7473402B2 (en) * 2004-03-26 2009-01-06 Honeywell International, Inc. Ozone removal system and method for low and high temperature operation
DE102004043421A1 (de) * 2004-09-06 2006-03-23 W.C. Heraeus Gmbh Katalysator für 2-Takt-Motoren oder Kleinmotoren
US7601671B2 (en) * 2004-10-28 2009-10-13 Umicore Ag & Co. Kg Drying method for exhaust gas catalyst
US8115373B2 (en) 2005-07-06 2012-02-14 Rochester Institute Of Technology Self-regenerating particulate trap systems for emissions and methods thereof
WO2008000449A2 (fr) * 2006-06-29 2008-01-03 Umicore Ag & Co. Kg catalyseur a trois voies
JP4853291B2 (ja) * 2007-01-10 2012-01-11 日産自動車株式会社 排気ガス浄化触媒及びその製造方法
DE502007002874D1 (de) * 2007-09-28 2010-04-01 Umicore Ag & Co Kg Entfernung von Partikeln aus dem Abgas von mit überwiegend stöchiometrischem Luft/Kraftstoff-Gemisch betriebenen Verbrennungsmotoren
US8716165B2 (en) 2008-04-30 2014-05-06 Corning Incorporated Catalysts on substrates and methods for providing the same
JP4751916B2 (ja) * 2008-06-30 2011-08-17 トヨタ自動車株式会社 排ガス浄化用触媒
JP5322733B2 (ja) * 2009-03-31 2013-10-23 Ｊｘ日鉱日石エネルギー株式会社 一酸化炭素の選択的酸化反応用触媒の製造方法
US10792647B2 (en) * 2009-04-21 2020-10-06 Johnson Matthey Public Limited Company Base metal catalysts for the oxidation of carbon monoxide and volatile organic compounds
KR101626541B1 (ko) * 2009-11-19 2016-06-01 에스케이이노베이션 주식회사 암모니아의 선택산화 촉매 및 이의 제조방법
US9266092B2 (en) 2013-01-24 2016-02-23 Basf Corporation Automotive catalyst composites having a two-metal layer
CN105188931A (zh) 2013-03-14 2015-12-23 巴斯夫公司 具有隔离的活化涂层的催化制品及其制造方法
US9855547B2 (en) 2015-10-05 2018-01-02 GM Global Technology Operations LLC Low-temperature oxidation catalysts
US9827562B2 (en) 2015-10-05 2017-11-28 GM Global Technology Operations LLC Catalytic converters with age-suppressing catalysts
US10046310B2 (en) 2015-10-05 2018-08-14 GM Global Technology Operations LLC Catalytic converters with age-suppressing catalysts
US10422036B2 (en) 2015-10-23 2019-09-24 GM Global Technology Operations LLC Suppressing aging of platinum group metal particles in a catalytic converter
US9901907B1 (en) 2016-08-31 2018-02-27 GM Global Technology Operations LLC Catalytic converters with age-suppressing catalysts
US10159960B2 (en) 2016-10-25 2018-12-25 GM Global Technology Operations LLC Catalysts with atomically dispersed platinum group metal complexes
US10035133B2 (en) 2016-10-25 2018-07-31 GM Global Technology Operations LLC Catalysts with atomically dispersed platinum group metal complexes and a barrier disposed between the complexes
WO2019067299A1 (fr) 2017-09-27 2019-04-04 Johnson Matthey Public Limited Company Catalyseur à couche unique à faible charge d'imprégnation pour des applications de nettoyage de gaz d'échappement d'essence
EP3721990A4 (fr) 2017-12-08 2021-09-01 Johnson Matthey (Shanghai) Chemicals Limited Nouvelle twc multi-région pour le traitement de gaz d'échappement provenant d'un moteur à essence
US11110447B2 (en) 2017-12-08 2021-09-07 Johnson Matthey (shanghai) Chemicals Co., Ltd. Three-zone two-layer TWC catalyst in gasoline waste gas applications
US20200102868A1 (en) 2018-09-28 2020-04-02 Johnson Matthey Public Limited Company Novel twc catalysts for gasoline exhaust gas applications
EP3894071A1 (fr) * 2018-12-13 2021-10-20 Johnson Matthey Public Limited Company Alumine dopée par un métal de transition pour améliorer les performances osc et twc
CN109876799A (zh) * 2019-04-08 2019-06-14 国电环境保护研究院有限公司 超低温scr脱硝催化剂及其制备方法

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Also Published As

Publication number Publication date
EP1045729B1 (fr) 2002-06-12
WO1999034903A1 (fr) 1999-07-15
AU732740B2 (en) 2001-04-26
US6022825A (en) 2000-02-08
EP1045729A1 (fr) 2000-10-25
CA2318570C (fr) 2007-01-30
AU2063199A (en) 1999-07-26
ES2178858T3 (es) 2003-01-01
DE69806064T2 (de) 2002-11-28
DE69806064D1 (de) 2002-07-18
ATE218916T1 (de) 2002-06-15
TW442332B (en) 2001-06-23
CA2318570A1 (fr) 1999-07-15

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