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ATE411097T1 - Kalium enthaltende katalytische falle und verfahren zu ihrer herstellung und ihrer verwendung - Google Patents

Kalium enthaltende katalytische falle und verfahren zu ihrer herstellung und ihrer verwendung

Info

Publication number
ATE411097T1
ATE411097T1 AT00955812T AT00955812T ATE411097T1 AT E411097 T1 ATE411097 T1 AT E411097T1 AT 00955812 T AT00955812 T AT 00955812T AT 00955812 T AT00955812 T AT 00955812T AT E411097 T1 ATE411097 T1 AT E411097T1
Authority
AT
Austria
Prior art keywords
nox
catalytic
gas stream
catalytic trap
alumina
Prior art date
Application number
AT00955812T
Other languages
English (en)
Inventor
Michel Deeba
Uwe Dahle
Stefan Brandt
John Hochmuth
Original Assignee
Basf Catalysts Llc
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 Basf Catalysts Llc filed Critical Basf Catalysts Llc
Application granted granted Critical
Publication of ATE411097T1 publication Critical patent/ATE411097T1/de

Links

Classifications

    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • B01J23/63—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
    • B01J37/0242—Coating followed by impregnation
    • 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
    • B01J37/0248—Coatings comprising impregnated particles
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • B01D2255/1021—Platinum
    • 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
    • B01D2255/1023—Palladium
    • 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
    • B01D2255/1025—Rhodium
    • 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
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2063—Lanthanum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20715—Zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/012—Diesel engines and lean burn gasoline engines
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. monoliths

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • External Artificial Organs (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
AT00955812T 1999-08-23 2000-08-22 Kalium enthaltende katalytische falle und verfahren zu ihrer herstellung und ihrer verwendung ATE411097T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37881399A 1999-08-23 1999-08-23

Publications (1)

Publication Number Publication Date
ATE411097T1 true ATE411097T1 (de) 2008-10-15

Family

ID=23494645

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00955812T ATE411097T1 (de) 1999-08-23 2000-08-22 Kalium enthaltende katalytische falle und verfahren zu ihrer herstellung und ihrer verwendung

Country Status (8)

Country Link
EP (1) EP1206312B8 (de)
JP (2) JP5490342B2 (de)
KR (1) KR100755628B1 (de)
AT (1) ATE411097T1 (de)
AU (1) AU6795300A (de)
BR (1) BR0013516A (de)
DE (1) DE60040545D1 (de)
WO (1) WO2001014046A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6795300A (en) * 1999-08-23 2001-03-19 Engelhard Corporation Catalytic trap with potassium component and method of using the same
US6727202B2 (en) * 2001-08-21 2004-04-27 Engelhard Corporation Enhanced NOx trap having increased durability
DE10148915B4 (de) * 2001-08-24 2012-07-19 Volkswagen Ag Vorrichtung zur Abgasreinigung bei Dieselmotoren
JP3985054B2 (ja) * 2002-02-22 2007-10-03 マツダ株式会社 排気ガス浄化用触媒
KR101095405B1 (ko) 2002-09-13 2011-12-16 존슨 맛쎄이 퍼블릭 리미티드 컴파니 압축 점화 엔진 배기 가스의 처리 방법
FR2935019B1 (fr) * 2008-08-12 2011-10-28 Renault Sas Procede de traitement des gaz d'echappement d'un moteur a combustion interne, notamment pour reduire les emissions de methane, et systeme pour sa mise en oeuvre
DE102008048805A1 (de) * 2008-09-24 2010-03-25 Emitec Gesellschaft Für Emissionstechnologie Mbh Vorrichtung zum Reinigen von Abgasen
JP6007248B2 (ja) * 2012-06-28 2016-10-12 エヌ・イーケムキャット株式会社 排気ガス浄化用触媒組成物および自動車用排気ガス浄化用触媒
GB201401115D0 (en) 2014-01-23 2014-03-12 Johnson Matthey Plc Diesel oxidation catalyst and exhaust system
CN116328788B (zh) * 2023-04-11 2024-10-29 西安交通大学 一种钾掺杂铂基催化剂及其制备方法和应用

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69218183T2 (de) * 1991-12-27 1997-07-31 Toyoda Chuo Kenkyusho Kk Vorrichtung zur emissionsregelung in einem verbrennungsmotor
JP3374999B2 (ja) * 1993-10-14 2003-02-10 トヨタ自動車株式会社 排気ガス浄化用触媒
JPH07132226A (ja) * 1993-11-10 1995-05-23 Toyota Motor Corp 排気ガス浄化用触媒
DE69503527T2 (de) * 1994-01-20 1999-04-29 Toyota Jidosha K.K., Toyota, Aichi Katalysator zur Reinigung von Abgasen
EP0707882A1 (de) * 1994-10-21 1996-04-24 Toyota Jidosha Kabushiki Kaisha Katalysator zum Reinigen von Abgasen
JP3358766B2 (ja) * 1994-12-16 2002-12-24 トヨタ自動車株式会社 排ガス浄化用触媒
JPH0910594A (ja) * 1995-04-28 1997-01-14 Mazda Motor Corp 排気ガス浄化用触媒
US5874057A (en) * 1995-07-12 1999-02-23 Engelhard Corporation Lean NOx catalyst/trap method
JPH09225307A (ja) * 1996-02-23 1997-09-02 Nissan Motor Co Ltd 排ガス浄化用触媒およびその製造方法
JPH10165817A (ja) * 1996-12-10 1998-06-23 Toyota Central Res & Dev Lab Inc 排ガス浄化用触媒
JPH10286461A (ja) * 1997-04-16 1998-10-27 Daihatsu Motor Co Ltd 排気ガス浄化触媒
DE19838282A1 (de) * 1998-08-24 2000-03-02 Degussa Stickoxid-Speichermaterial und daraus hergestellter Stickoxid-Speicherkatalysator
AU6795300A (en) * 1999-08-23 2001-03-19 Engelhard Corporation Catalytic trap with potassium component and method of using the same

Also Published As

Publication number Publication date
JP5490342B2 (ja) 2014-05-14
EP1206312B8 (de) 2009-02-25
EP1206312B1 (de) 2008-10-15
JP2003507177A (ja) 2003-02-25
JP2013176774A (ja) 2013-09-09
BR0013516A (pt) 2003-07-15
DE60040545D1 (de) 2008-11-27
EP1206312A1 (de) 2002-05-22
WO2001014046A1 (en) 2001-03-01
AU6795300A (en) 2001-03-19
WO2001014046A9 (en) 2002-09-12
KR20020026597A (ko) 2002-04-10
KR100755628B1 (ko) 2007-09-04

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