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ZA983002B - Exhaust gas catalyst - Google Patents

Exhaust gas catalyst

Info

Publication number
ZA983002B
ZA983002B ZA983002A ZA983002A ZA983002B ZA 983002 B ZA983002 B ZA 983002B ZA 983002 A ZA983002 A ZA 983002A ZA 983002 A ZA983002 A ZA 983002A ZA 983002 B ZA983002 B ZA 983002B
Authority
ZA
South Africa
Prior art keywords
exhaust gas
gas catalyst
catalyst
exhaust
gas
Prior art date
Application number
ZA983002A
Other languages
English (en)
Inventor
Dieter Lindner
Lohar Mussmann
Renee Van Yperen
Thomas Kreuzer
Egbert Lox
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 ZA983002B publication Critical patent/ZA983002B/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
    • B01J23/894—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 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
    • 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
    • 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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product 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
    • 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
    • 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
    • B01J37/08—Heat treatment
    • 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
    • B01J37/16—Reducing
    • B01J37/18—Reducing with gases containing free hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/908—O2-storage component incorporated in the catalyst
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
ZA983002A 1997-04-09 1998-04-08 Exhaust gas catalyst ZA983002B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19714536A DE19714536A1 (de) 1997-04-09 1997-04-09 Autoabgaskatalysator

Publications (1)

Publication Number Publication Date
ZA983002B true ZA983002B (en) 1998-10-21

Family

ID=7825830

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA983002A ZA983002B (en) 1997-04-09 1998-04-08 Exhaust gas catalyst

Country Status (16)

Country Link
EP (1) EP0870531B1 (xx)
JP (1) JP3953630B2 (xx)
KR (1) KR100661258B1 (xx)
CN (1) CN1097481C (xx)
AR (1) AR012344A1 (xx)
AT (1) ATE266459T1 (xx)
AU (1) AU728946B2 (xx)
BR (1) BR9801385A (xx)
CA (1) CA2234355C (xx)
CZ (1) CZ100498A3 (xx)
DE (2) DE19714536A1 (xx)
PL (1) PL325733A1 (xx)
RU (1) RU2211724C2 (xx)
TR (1) TR199800611A3 (xx)
TW (1) TW396056B (xx)
ZA (1) ZA983002B (xx)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19910663B4 (de) * 1999-03-11 2007-10-18 Volkswagen Ag Vorrichtung und Verfahren zum Reinigen des Abgases einer Brennkraftmaschine
ATE357971T1 (de) * 2000-08-19 2007-04-15 Umicore Ag & Co Kg Sauerstoff speicherndes material auf der basis von ceroxid, verfahren zu seiner herstellung und verwendung in der abgasreinigung von verbrennungsmotoren
DE10050709A1 (de) * 2000-10-13 2002-04-25 Basf Ag Verfahren zur Hydrierung von unsubstituierten oder alkylsubstituierten Aromaten unter Verwendung eines Katalysators mit einem strukturierten oder monolithischen Träger
KR100384015B1 (ko) * 2000-12-02 2003-05-14 현대자동차주식회사 질소산화물 제거능 및 내열성이 우수한 팔라듐 삼원촉매의제조방법
KR100410942B1 (ko) * 2001-07-28 2003-12-18 현대자동차주식회사 다공성 팔라듐 삼원촉매의 제조방법
KR100410801B1 (ko) * 2001-08-21 2003-12-18 현대자동차주식회사 다공성 고효율 탄화수소 제거용 팔라듐 삼원촉매의 제조방법
JP3758601B2 (ja) 2002-05-15 2006-03-22 トヨタ自動車株式会社 吸蔵還元型ＮＯｘ浄化用触媒
CN100374199C (zh) * 2004-05-14 2008-03-12 中国科学院生态环境研究中心 一种铈锆复合氧化物负载钯催化剂的制备方法
CN100396363C (zh) * 2004-11-25 2008-06-25 中国科学院生态环境研究中心 一种三效催化剂及其制备方法
CN100391598C (zh) * 2006-06-20 2008-06-04 茂名学院 一种净化内燃机尾气的NOx储存－还原催化剂
PL1916029T3 (pl) 2006-10-23 2014-11-28 Haldor Topsoe As Sposób i urządzenie do oczyszczania gazów spalinowych z silnika wysokoprężnego
JP4327837B2 (ja) 2006-12-01 2009-09-09 トヨタ自動車株式会社 排ガス浄化装置
JP5018882B2 (ja) * 2007-06-27 2012-09-05 トヨタ自動車株式会社 触媒担体及び排ガス浄化触媒
US8038951B2 (en) * 2007-08-09 2011-10-18 Basf Corporation Catalyst compositions
US7790127B1 (en) * 2009-03-02 2010-09-07 Gm Global Technology Operations, Inc. NOx emission control system for hydrocarbon fueled power source
WO2011092523A1 (en) * 2010-02-01 2011-08-04 Johnson Matthey Plc NOx ABSORBER CATALYSTS
CN101773830B (zh) * 2010-02-25 2012-06-27 华东理工大学 一种用于三效催化的高温稳定性催化剂
US8683784B2 (en) * 2010-03-15 2014-04-01 Toyota Jidosha Kabushiki Kaisha Exhaust purification system of internal combustion engine
RU2479730C1 (ru) * 2010-03-15 2013-04-20 Тойота Дзидося Кабусики Кайся Система очистки выхлопных газов двигателя внутреннего сгорания
JP4868097B1 (ja) * 2010-08-30 2012-02-01 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE102011119740A1 (de) * 2011-11-30 2013-06-06 Emitec Gesellschaft Für Emissionstechnologie Mbh Diffusionssperrschicht bei einer Abgasbehandlungseinheit
JP5642107B2 (ja) 2012-03-30 2014-12-17 本田技研工業株式会社 鞍乗型車両用排気ガス浄化装置及びそれに用いるパラジウム単層触媒
JP5992192B2 (ja) 2012-03-30 2016-09-14 三井金属鉱業株式会社 パラジウム触媒
DE102013210270A1 (de) * 2013-06-03 2014-12-04 Umicore Ag & Co. Kg Dreiwegkatalysator
DE102014204682A1 (de) 2014-03-13 2015-10-01 Umicore Ag & Co. Kg Katalysatorsystem zur Reduzierung von Schadgasen aus Benzinverbrennungsmotoren
CN104353466A (zh) * 2014-09-25 2015-02-18 陕西华陆化工环保有限公司 用于汽车排气催化氧化的催化剂的制备方法
US9616386B2 (en) * 2015-03-23 2017-04-11 Kabushiki Kaisha Toyota Chuo Kenkyusho Catalyst for purification of exhaust gas, NOx storage-reduction catalyst, and method for purifying exhaust gas
CN107597127A (zh) * 2017-08-16 2018-01-19 柳州申通汽车科技有限公司 一种汽车尾气三元催化剂
CN107597112A (zh) * 2017-08-16 2018-01-19 柳州申通汽车科技有限公司 一种汽车用三元催化剂
CN109847739B (zh) * 2019-03-26 2021-06-01 福州大学 一种Pd/γ-三氧化二铝催化剂的改性方法
CN109999804B (zh) * 2019-05-06 2020-07-17 昆明理工大学 一种co还原so2用催化剂及其制备方法与应用
CN112371118B (zh) * 2020-11-27 2023-02-24 中自环保科技股份有限公司 一种高效汽车尾气处理催化剂及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4624940A (en) * 1985-04-12 1986-11-25 Engelhard Corporation High temperature catalyst compositions for internal combustion engine
JP2537239B2 (ja) * 1987-08-28 1996-09-25 エヌ・イーケムキヤツト 株式会社 耐熱性に優れた内燃機関排気ガス浄化用触媒及びその製造方法
CA1334962C (en) * 1988-04-14 1995-03-28 Tomohisa Ohata Catalyst for purifying exhaust gas and method for production thereof
CA2064977C (en) * 1991-04-05 1998-09-22 Eiichi Shiraishi Catalyst for purifying exhaust gas
JP3264696B2 (ja) * 1991-09-13 2002-03-11 株式会社日本触媒 排気ガス浄化用触媒およびこれを用いてなる浄化システム
US5212142A (en) * 1991-11-04 1993-05-18 Engelhard Corporation High performance thermally stable catalyst
JP3145175B2 (ja) * 1992-03-31 2001-03-12 三井金属鉱業株式会社 排ガス浄化用触媒及びその製造方法

Also Published As

Publication number Publication date
RU2211724C2 (ru) 2003-09-10
DE59811353D1 (de) 2004-06-17
TR199800611A2 (xx) 1999-07-21
CN1097481C (zh) 2003-01-01
PL325733A1 (en) 1998-10-12
DE19714536A1 (de) 1998-10-15
CA2234355C (en) 2007-06-26
EP0870531A1 (de) 1998-10-14
CZ100498A3 (cs) 1998-10-14
EP0870531B1 (de) 2004-05-12
TR199800611A3 (tr) 1999-07-21
AR012344A1 (es) 2000-10-18
ATE266459T1 (de) 2004-05-15
JP3953630B2 (ja) 2007-08-08
KR100661258B1 (ko) 2007-05-17
BR9801385A (pt) 1999-08-03
AU728946B2 (en) 2001-01-18
MX9802824A (es) 1998-12-31
TW396056B (en) 2000-07-01
KR19980081167A (ko) 1998-11-25
JPH10277394A (ja) 1998-10-20
CN1206628A (zh) 1999-02-03
AU6075398A (en) 1998-10-15
CA2234355A1 (en) 1998-10-09

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