IN189783B - - Google Patents

Info

Publication number
IN189783B
IN189783B IN1242CA1996A IN189783B IN 189783 B IN189783 B IN 189783B IN 1242CA1996 A IN1242CA1996 A IN 1242CA1996A IN 189783 B IN189783 B IN 189783B
Authority
IN
India
Application number
Other languages
English (en)
Inventor
Michel Deeba
Jennifer S Feeley
Robert J Farrauto
Original Assignee
Engelhard Corp
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 Engelhard Corp filed Critical Engelhard Corp
Publication of IN189783B publication Critical patent/IN189783B/en

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
    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
    • 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
    • B01J23/58—Platinum group metals 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
    • 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
    • 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
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/202—Alkali metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/902—Multilayered catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/91—NOx-storage component incorporated in the catalyst
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/16—Oxygen

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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
IN1242CA1996 1995-07-12 1996-07-08 IN189783B (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/500,657 US5874057A (en) 1995-07-12 1995-07-12 Lean NOx catalyst/trap method

Publications (1)

Publication Number Publication Date
IN189783B true IN189783B (ja) 2003-04-19

Family

ID=23990379

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1242CA1996 IN189783B (ja) 1995-07-12 1996-07-08

Country Status (11)

Country Link
US (1) US5874057A (ja)
EP (1) EP0850102A1 (ja)
JP (1) JPH11508821A (ja)
KR (1) KR19990028887A (ja)
CN (1) CN1190909A (ja)
AU (1) AU5422696A (ja)
BR (1) BR9609750A (ja)
CA (1) CA2226412A1 (ja)
IN (1) IN189783B (ja)
WO (1) WO1997002886A1 (ja)
ZA (1) ZA963196B (ja)

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IT1285562B1 (it) * 1996-02-12 1998-06-18 Univ Bologna Composti ad attivita' di fissaggio di gas
JP3389851B2 (ja) * 1997-01-21 2003-03-24 トヨタ自動車株式会社 排ガス浄化用触媒
DE19724545A1 (de) * 1997-06-11 1998-12-24 Basf Ag Speicherkatalysator
US5895636A (en) * 1997-12-02 1999-04-20 Engelhard Corporation Catalytic compositions and methods for suppression of halogenation of organic compounds with oxidation products of halogenated organic compounds in gaseous emission streams
WO1999056859A1 (en) * 1998-05-07 1999-11-11 Engelhard Corporation Catalyzed hydrocarbon trap and method using the same
DE19838282A1 (de) * 1998-08-24 2000-03-02 Degussa Stickoxid-Speichermaterial und daraus hergestellter Stickoxid-Speicherkatalysator
US6350421B1 (en) 1998-08-24 2002-02-26 Dmc2 Degussa Metals Catalysts Cerdec Ag Nitrogen oxide storage material and nitrogen oxide storing catalyst prepared therefrom
JP3370957B2 (ja) * 1998-09-18 2003-01-27 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE19847008A1 (de) * 1998-10-13 2000-04-20 Degussa Stickoxid-Speicherkatalysator
IT1304405B1 (it) 1998-10-21 2001-03-19 Consiglio Nazionale Ricerche Processo per l'assorbimento di ossidi di azoto da miscele gassosecontenenti gli stessi.
US6217837B1 (en) * 1998-11-02 2001-04-17 Ford Global Technologies, Inc. Use of sol-gel processed alumina-based metal oxides for absorbing nitrogen oxides in oxidizing exhaust gas
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JP4461621B2 (ja) * 1999-01-19 2010-05-12 弥太郎 市川 排気ガス処理方法とその装置及び之を装備する車両
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US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
US20020048542A1 (en) 1999-04-02 2002-04-25 Michel Deeba Catalytic trap and methods of making and using the same
US6375910B1 (en) * 1999-04-02 2002-04-23 Engelhard Corporation Multi-zoned catalytic trap and methods of making and using the same
US6294140B1 (en) * 1999-04-23 2001-09-25 Degussa Ag Layered noble metal-containing exhaust gas catalyst and its preparation
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WO2001034950A1 (en) 1999-11-10 2001-05-17 Engelhard Corporation METHOD AND APPARATUS TO PROVIDE REDUCTANT FOR NO¿x?
DE19955456A1 (de) * 1999-11-17 2001-05-23 Degussa Verfahren zur Herstellung eines Stickoxid-Speichermaterials und damit hergestelltes Speichermaterial
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US6468484B1 (en) 2000-06-29 2002-10-22 Delphi Technologies, Inc. NO2 abatement composition with enhanced sulfur resistance
CN1473073A (zh) * 2000-09-08 2004-02-04 日本碍子株式会社 催化剂及氧化铝负载载体的制造方法
US6777370B2 (en) 2001-04-13 2004-08-17 Engelhard Corporation SOx tolerant NOx trap catalysts and methods of making and using the same
FI20010973A (fi) * 2001-05-09 2002-11-10 Valtion Teknillinen Katalysaattori ja menetelmä typpioksidien katalyyttiseksi pelkistämiseksi
US6727202B2 (en) * 2001-08-21 2004-04-27 Engelhard Corporation Enhanced NOx trap having increased durability
JP4696430B2 (ja) * 2001-09-26 2011-06-08 マツダ株式会社 排気ガス浄化用触媒
US6999777B1 (en) 2001-12-21 2006-02-14 Verizon Corporate Services Group Inc. Method for providing location information of a wireless communication device
US6912847B2 (en) 2001-12-21 2005-07-05 Engelhard Corporation Diesel engine system comprising a soot filter and low temperature NOx trap
JP2003206733A (ja) * 2002-01-16 2003-07-25 Hitachi Ltd 内燃機関用排気ガス浄化装置
ES2192985B1 (es) * 2002-02-15 2005-02-16 Consejo Sup. Investig. Cientificas Nuevo catalizador para la reduccion de no a n2 con hidrogeno en condiciones de nox oxidantes.
US7022644B2 (en) 2002-02-20 2006-04-04 Engelhard Corporation Hydrogen sulfide-suppressing catalyst compositions
US7055311B2 (en) * 2002-08-31 2006-06-06 Engelhard Corporation Emission control system for vehicles powered by diesel engines
ATE555297T1 (de) 2003-12-01 2012-05-15 Shell Int Research Verfahren zum betrieb eines verbrennungsmotors mit eigenzündung in kombination mit einem katalytischen reformer
WO2005092481A1 (en) * 2004-03-27 2005-10-06 Umicore Ag & Co. Kg Nitrogen oxide storage material and nitrogen oxide storage catalyst produced therefrom
KR101226896B1 (ko) * 2004-12-24 2013-01-29 우미코레 아게 운트 코 카게 질소 산화물 저장 촉매의 재생방법
WO2006092392A1 (en) * 2005-03-01 2006-09-08 Shell Internationale Research Maatschappij B.V. Reforming of gtl for marine applications
JP4148249B2 (ja) * 2005-07-21 2008-09-10 トヨタ自動車株式会社 内燃機関の排気浄化装置
FR2901155B1 (fr) * 2006-05-16 2008-10-10 Rhodia Recherches & Tech Compositions utilisees notamment pour le piegeage d'oxydes d'azote (nox)
JP5345530B2 (ja) 2006-07-08 2013-11-20 ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト 還元剤としてのアンモニアの使用下でリーンバーンエンジンの排ガス中の窒素酸化物を還元するための構造化ｓｃｒ触媒
US7793506B2 (en) * 2006-08-11 2010-09-14 Wyle Laboratories, Inc. Emission controlled engine exhaust static test stand
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EP3524336A3 (en) * 2008-10-31 2020-01-08 Emerachem Llc Methods and systems for reducing particulate matter in a gaseous stream
CN101632928B (zh) * 2009-08-14 2014-10-01 昆明理工大学 火焰燃烧合成法一步制备nsr催化剂
GB2484911B (en) 2010-10-22 2013-04-03 Johnson Matthey Plc NOx absorber catalyst comprising caesium silicate and at least one platinum group metal
KR101507325B1 (ko) * 2013-12-20 2015-03-31 희성촉매 주식회사 배기가스 정화용 촉매 부재 및 워시코트
US9744529B2 (en) * 2014-03-21 2017-08-29 Basf Corporation Integrated LNT-TWC catalyst
CN108530059A (zh) * 2018-05-02 2018-09-14 武汉理工大学 一种高击穿强度脉冲功率电容器陶瓷材料及其制备方法
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CN113710351A (zh) * 2019-04-22 2021-11-26 巴斯夫公司 催化汽油微粒过滤器

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Also Published As

Publication number Publication date
CN1190909A (zh) 1998-08-19
US5874057A (en) 1999-02-23
CA2226412A1 (en) 1997-01-30
MX9800300A (es) 1998-07-31
ZA963196B (en) 1996-11-04
AU5422696A (en) 1997-02-10
WO1997002886A1 (en) 1997-01-30
JPH11508821A (ja) 1999-08-03
BR9609750A (pt) 1999-03-30
EP0850102A1 (en) 1998-07-01
KR19990028887A (ko) 1999-04-15

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