ZA976249B - Three-way conversion catalyst and methods for the preparation thereof. - Google Patents

Three-way conversion catalyst and methods for the preparation thereof.

Info

Publication number
ZA976249B
ZA976249B ZA9706249A ZA976249A ZA976249B ZA 976249 B ZA976249 B ZA 976249B ZA 9706249 A ZA9706249 A ZA 9706249A ZA 976249 A ZA976249 A ZA 976249A ZA 976249 B ZA976249 B ZA 976249B
Authority
ZA
South Africa
Prior art keywords
support material
washcoat
catalytic component
slurry
way conversion
Prior art date
Application number
ZA9706249A
Other languages
English (en)
Inventor
Paul Joseph Andersen
Christopher John Bennett
Barry John Cooper
Phillip Shady
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 ZA976249B publication Critical patent/ZA976249B/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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8946—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali or alkaline earth 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
    • 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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Inert Electrodes (AREA)
  • Saccharide Compounds (AREA)
ZA9706249A 1996-07-18 1997-07-15 Three-way conversion catalyst and methods for the preparation thereof. ZA976249B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9615123.8A GB9615123D0 (en) 1996-07-18 1996-07-18 Three-way conversion catalysts and methods for the preparation therof

Publications (1)

Publication Number Publication Date
ZA976249B true ZA976249B (en) 1998-02-03

Family

ID=10797139

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9706249A ZA976249B (en) 1996-07-18 1997-07-15 Three-way conversion catalyst and methods for the preparation thereof.

Country Status (13)

Country Link
US (1) US6625976B1 (de)
EP (1) EP0912232B1 (de)
JP (1) JP4148997B2 (de)
CN (1) CN1159089C (de)
AT (1) ATE204202T1 (de)
AU (1) AU718374B2 (de)
BR (1) BR9710378A (de)
DE (1) DE69706176T2 (de)
ES (1) ES2162317T3 (de)
GB (1) GB9615123D0 (de)
TW (1) TW351682B (de)
WO (1) WO1998003251A1 (de)
ZA (1) ZA976249B (de)

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JP2002177781A (ja) * 2000-12-12 2002-06-25 Ict:Kk 排ガス浄化用触媒
US6866834B2 (en) * 2001-03-12 2005-03-15 Nissan Motor Co., Ltd. NOx reduction catalyst and NOx reduction system
US6756338B2 (en) 2001-09-19 2004-06-29 Johnson Matthey Public Limited Company Lean NOx trap/conversion catalyst
US6930073B2 (en) * 2001-11-05 2005-08-16 Delphi Technologies, Inc. NiO catalyst configurations, methods for making NOx adsorbers, and methods for reducing emissions
GB0211971D0 (en) 2002-05-24 2002-07-03 Johnson Matthey Plc Spark ignition engine including three-way catalyst
EP1715940B1 (de) * 2004-02-11 2008-02-27 Umicore AG & Co. KG Abgasreinigungskatalysator mit axial variierender edelmetallkonzentration und herstellungsverfahren dafür
CN1930088B (zh) * 2004-03-22 2010-06-23 大发工业株式会社 钙钛矿型复合氧化物、催化剂组合物及钙钛矿型复合氧化物的制造方法
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
US20070078053A1 (en) * 2005-09-30 2007-04-05 U.S.A. As Represented By The Administrator Of The National Aeronautics And Space Administration Catalyst for decomposition of nitrogen oxides
US7550124B2 (en) * 2006-08-21 2009-06-23 Basf Catalysts Llc Layered catalyst composite
US7758834B2 (en) * 2006-08-21 2010-07-20 Basf Corporation Layered catalyst composite
JP2010516908A (ja) * 2007-01-16 2010-05-20 ダウ グローバル テクノロジーズ インコーポレイティド オレフィンブロックポリマーの伸縮性布帛および衣類
US8007750B2 (en) 2007-07-19 2011-08-30 Basf Corporation Multilayered catalyst compositions
US7879755B2 (en) * 2007-08-09 2011-02-01 Basf Corporation Catalyst compositions
US7622096B2 (en) * 2007-08-09 2009-11-24 Basf Catalysts Llc Multilayered catalyst compositions
US8038951B2 (en) 2007-08-09 2011-10-18 Basf Corporation Catalyst compositions
US7922988B2 (en) * 2007-08-09 2011-04-12 Michel Deeba Multilayered catalyst compositions
JP5350614B2 (ja) * 2007-08-22 2013-11-27 本田技研工業株式会社 排ガス浄化触媒及びこれを用いた排ガス浄化装置
US20090175773A1 (en) * 2008-01-08 2009-07-09 Chen Shau-Lin F Multilayered Catalyst Compositions
EP2127729A1 (de) * 2008-05-30 2009-12-02 Mazda Motor Corporation Abgasreinigungskatalysator
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
DE102009009579B4 (de) 2009-02-19 2015-01-08 Chemisch-Thermische Prozesstechnik Gmbh Verfahren zum Beschichten der Kanäle eines Wabenkörpers, Vorrichtung zur Durchführung des Verfahrens und Verwendung des beschichteten Wabenkörpers
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
US8940242B2 (en) * 2009-04-17 2015-01-27 Basf Corporation Multi-zoned catalyst compositions
KR101483651B1 (ko) * 2012-12-13 2015-01-16 현대자동차 주식회사 내연 기관용 가스 정화 촉매
US9266092B2 (en) 2013-01-24 2016-02-23 Basf Corporation Automotive catalyst composites having a two-metal layer
KR20150131017A (ko) 2013-03-14 2015-11-24 바스프 코포레이션 분리된 워시코트를 갖는 촉매 물품 및 이의 제조 방법
DE102015209987A1 (de) * 2014-06-04 2015-12-10 Johnson Matthey Public Limited Company Nicht-PGM-Ammoniakschlupfkatalysator
CN104307518B (zh) * 2014-11-05 2017-02-08 南通市康桥油脂有限公司 一种钯掺杂铈锆复合氧化物的制备方法
JP6960410B2 (ja) * 2016-04-22 2021-11-05 ビーエーエスエフ コーポレーション 大細孔アルミナ担体に担持された白金族金属触媒
US11161098B2 (en) * 2018-05-18 2021-11-02 Umicore Ag & Co. Kg Three-way catalyst
CN112705213B (zh) * 2019-10-25 2022-06-07 中国石油化工股份有限公司 一种加氢脱硅催化剂及其制备方法
CN113757696B (zh) * 2020-06-05 2024-09-20 中国石油化工股份有限公司 催化燃烧挥发性有机化合物的方法
CN115608356B (zh) * 2021-07-12 2024-12-03 庄信万丰股份有限公司 用于废气处理应用的阴离子pgm羧酸盐辅助的pgm纳米颗粒合成

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Also Published As

Publication number Publication date
TW351682B (en) 1999-02-01
EP0912232A1 (de) 1999-05-06
CN1159089C (zh) 2004-07-28
WO1998003251A1 (en) 1998-01-29
US6625976B1 (en) 2003-09-30
GB9615123D0 (en) 1996-09-04
BR9710378A (pt) 1999-08-17
JP4148997B2 (ja) 2008-09-10
JP2000515419A (ja) 2000-11-21
EP0912232B1 (de) 2001-08-16
DE69706176D1 (de) 2001-09-20
CN1230899A (zh) 1999-10-06
AU3553797A (en) 1998-02-10
ES2162317T3 (es) 2001-12-16
ATE204202T1 (de) 2001-09-15
AU718374B2 (en) 2000-04-13
DE69706176T2 (de) 2002-05-02

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