DE69908557D1 - Katalysator zur abgasbehandlung bei zweitaktmotoren - Google Patents

Katalysator zur abgasbehandlung bei zweitaktmotoren

Info

Publication number
DE69908557D1
DE69908557D1 DE69908557T DE69908557T DE69908557D1 DE 69908557 D1 DE69908557 D1 DE 69908557D1 DE 69908557 T DE69908557 T DE 69908557T DE 69908557 T DE69908557 T DE 69908557T DE 69908557 D1 DE69908557 D1 DE 69908557D1
Authority
DE
Germany
Prior art keywords
exhaust treatment
stroke engines
treatment catalyst
catalyst
engines
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 - Fee Related
Application number
DE69908557T
Other languages
English (en)
Other versions
DE69908557T2 (de
Inventor
Julian Peter Cox
Julia Margaret Evans
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.)
Johnson Matthey PLC
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
Application granted granted Critical
Publication of DE69908557D1 publication Critical patent/DE69908557D1/de
Publication of DE69908557T2 publication Critical patent/DE69908557T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01J33/00—Protection of catalysts, e.g. by coating
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0244—Coatings comprising several layers
    • 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
    • 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
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals

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)
  • Exhaust Gas After Treatment (AREA)
DE69908557T 1998-02-20 1999-02-10 Katalysator zur abgasbehandlung bei zweitaktmotoren Expired - Fee Related DE69908557T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9803554 1998-02-20
GBGB9803554.6A GB9803554D0 (en) 1998-02-20 1998-02-20 Improvements in automotive catalysts
PCT/GB1999/000419 WO1999042202A1 (en) 1998-02-20 1999-02-10 Exhaust gas catalyst for two-stroke engines

Publications (2)

Publication Number Publication Date
DE69908557D1 true DE69908557D1 (de) 2003-07-10
DE69908557T2 DE69908557T2 (de) 2004-05-06

Family

ID=10827280

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69908557T Expired - Fee Related DE69908557T2 (de) 1998-02-20 1999-02-10 Katalysator zur abgasbehandlung bei zweitaktmotoren

Country Status (6)

Country Link
US (1) US6488904B1 (de)
EP (1) EP1056531B1 (de)
AU (1) AU2531899A (de)
DE (1) DE69908557T2 (de)
GB (1) GB9803554D0 (de)
WO (1) WO1999042202A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004043421A1 (de) * 2004-09-06 2006-03-23 W.C. Heraeus Gmbh Katalysator für 2-Takt-Motoren oder Kleinmotoren
US8115373B2 (en) 2005-07-06 2012-02-14 Rochester Institute Of Technology Self-regenerating particulate trap systems for emissions and methods thereof
WO2008140786A1 (en) 2007-05-11 2008-11-20 Sdc Materials, Inc. Method and apparatus for making uniform and ultrasmall nanoparticles
US8575059B1 (en) 2007-10-15 2013-11-05 SDCmaterials, Inc. Method and system for forming plug and play metal compound catalysts
US8343448B2 (en) * 2008-09-30 2013-01-01 Ford Global Technologies, Llc System for reducing NOx in exhaust
US9126191B2 (en) 2009-12-15 2015-09-08 SDCmaterials, Inc. Advanced catalysts for automotive applications
US8803025B2 (en) 2009-12-15 2014-08-12 SDCmaterials, Inc. Non-plugging D.C. plasma gun
US9039916B1 (en) 2009-12-15 2015-05-26 SDCmaterials, Inc. In situ oxide removal, dispersal and drying for copper copper-oxide
US8557727B2 (en) 2009-12-15 2013-10-15 SDCmaterials, Inc. Method of forming a catalyst with inhibited mobility of nano-active material
US9149797B2 (en) 2009-12-15 2015-10-06 SDCmaterials, Inc. Catalyst production method and system
US8652992B2 (en) 2009-12-15 2014-02-18 SDCmaterials, Inc. Pinning and affixing nano-active material
US8669202B2 (en) 2011-02-23 2014-03-11 SDCmaterials, Inc. Wet chemical and plasma methods of forming stable PtPd catalysts
JP2014524352A (ja) 2011-08-19 2014-09-22 エスディーシーマテリアルズ， インコーポレイテッド 触媒作用および触媒コンバータに使用するための被覆基材ならびにウォッシュコート組成物で基材を被覆する方法
US9156025B2 (en) 2012-11-21 2015-10-13 SDCmaterials, Inc. Three-way catalytic converter using nanoparticles
US9511352B2 (en) 2012-11-21 2016-12-06 SDCmaterials, Inc. Three-way catalytic converter using nanoparticles
WO2015013545A1 (en) 2013-07-25 2015-01-29 SDCmaterials, Inc. Washcoats and coated substrates for catalytic converters
CA2926135A1 (en) 2013-10-22 2015-04-30 SDCmaterials, Inc. Compositions of lean nox trap
JP2016536120A (ja) 2013-10-22 2016-11-24 エスディーシーマテリアルズ， インコーポレイテッド ヘビーデューティディーゼルの燃焼機関のための触媒デザイン
WO2015143225A1 (en) 2014-03-21 2015-09-24 SDCmaterials, Inc. Compositions for passive nox adsorption (pna) systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923696A (en) 1973-08-22 1975-12-02 Int Nickel Co Catalyst structure
US4702897A (en) 1983-09-27 1987-10-27 Signal Applied Technologies, Inc. Lead-tolerant catalyst system and method for treating exhaust gas containing lead compounds
DE3729683A1 (de) 1987-09-04 1989-03-30 Mototech Motoren Umweltschutz Einrichtung zur nachbehandlung der abgase von kleinvolumigen zweitaktottomotoren sowie verfahren zu ihrer herstellung
JPH01127044A (ja) 1987-11-11 1989-05-19 Toyota Central Res & Dev Lab Inc 排気浄化用触媒
JP2897367B2 (ja) 1990-01-12 1999-05-31 日本特殊陶業株式会社 被毒防止体、被毒防止層付触媒及び排気ガス浄化装置
JP3309971B2 (ja) 1990-03-30 2002-07-29 東京濾器株式会社 排気ガス浄化用触媒の製造法
JP3185448B2 (ja) 1993-03-11 2001-07-09 日産自動車株式会社 排気ガス浄化用触媒
US6426316B2 (en) 1996-08-13 2002-07-30 Toyota Jidosha Kabushiki Kaisha Exhaust emission control catalyst for diesel engines
US5983628A (en) * 1998-01-29 1999-11-16 Chrysler Corporation System and method for controlling exhaust gas temperatures for increasing catalyst conversion of NOx emissions
GB9810057D0 (en) * 1998-05-11 1998-07-08 Ricardo Consulting Eng Crankcase scavenged two-stroke engines

Also Published As

Publication number Publication date
GB9803554D0 (en) 1998-04-15
DE69908557T2 (de) 2004-05-06
EP1056531A1 (de) 2000-12-06
WO1999042202A1 (en) 1999-08-26
EP1056531B1 (de) 2003-06-04
AU2531899A (en) 1999-09-06
US6488904B1 (en) 2002-12-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee