ATE327031T1 - Nox-speicherzusammensetzung - Google Patents

Nox-speicherzusammensetzung

Info

Publication number
ATE327031T1
ATE327031T1 AT01983691T AT01983691T ATE327031T1 AT E327031 T1 ATE327031 T1 AT E327031T1 AT 01983691 T AT01983691 T AT 01983691T AT 01983691 T AT01983691 T AT 01983691T AT E327031 T1 ATE327031 T1 AT E327031T1
Authority
AT
Austria
Prior art keywords
nox storage
pgm
storage component
storage composition
nox
Prior art date
Application number
AT01983691T
Other languages
English (en)
Inventor
Raj Rao Rajaram
Stephen Poulston
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 ATE327031T1 publication Critical patent/ATE327031T1/de

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
    • B01D53/9404—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
    • 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
    • B01D2255/1025—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
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • 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
    • 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
    • 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
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/464—Rhodium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Secondary Cells (AREA)
  • Inorganic Insulating Materials (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Medicinal Preparation (AREA)
AT01983691T 2000-11-20 2001-11-19 Nox-speicherzusammensetzung ATE327031T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0028198.0A GB0028198D0 (en) 2000-11-20 2000-11-20 High temperature nox-trap component

Publications (1)

Publication Number Publication Date
ATE327031T1 true ATE327031T1 (de) 2006-06-15

Family

ID=9903450

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01983691T ATE327031T1 (de) 2000-11-20 2001-11-19 Nox-speicherzusammensetzung

Country Status (7)

Country Link
US (1) US20040048741A1 (de)
EP (1) EP1337316B1 (de)
JP (1) JP2004513763A (de)
AT (1) ATE327031T1 (de)
DE (1) DE60119967T2 (de)
GB (1) GB0028198D0 (de)
WO (1) WO2002040139A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7067453B1 (en) * 2001-07-13 2006-06-27 Innovatek, Inc. Hydrocarbon fuel reforming catalyst and use thereof
US7316806B2 (en) * 2003-10-29 2008-01-08 Nippon Shokubai Co., Ltd. Modifying catalyst for partial oxidation and method for modification
US7238640B2 (en) * 2003-12-30 2007-07-03 Ford Global Technologies, Llc Minimization of purge NOx release from NOx traps by optimizing the oxygen storage capacity
JP3852466B2 (ja) * 2004-11-30 2006-11-29 いすゞ自動車株式会社 ＮＯｘ浄化システム
US20060168948A1 (en) * 2005-02-02 2006-08-03 Lifeng Xu Alumina-based lean NOx trap system and method of use
US20060168949A1 (en) * 2005-02-02 2006-08-03 Lifeng Xu Alumina-based lean NOx trap system and method of use in dual-mode HCCI engines
JP4714568B2 (ja) * 2005-11-22 2011-06-29 マツダ株式会社 排気ガス浄化用触媒及びその製造方法
JP2007136420A (ja) * 2005-11-22 2007-06-07 Mazda Motor Corp 排気ガス浄化用触媒及びその製造方法
JP4851190B2 (ja) * 2006-01-13 2012-01-11 戸田工業株式会社 排気ガス浄化用触媒
PL1916029T3 (pl) * 2006-10-23 2014-11-28 Haldor Topsoe As Sposób i urządzenie do oczyszczania gazów spalinowych z silnika wysokoprężnego
US20100075842A1 (en) * 2006-11-29 2010-03-25 Hyun-Sik Han Potassium oxide-incorporated alumina catalysts with enhanced storage capacities of nitrogen oxide and a producing method therefor
JP5034751B2 (ja) * 2007-08-02 2012-09-26 トヨタ自動車株式会社 内燃機関の排気浄化装置
EP2145679A1 (de) 2008-07-17 2010-01-20 Ford Global Technologies, LLC, A subsidary of Ford Motor Company Multifunktionaler Katalysator für Diesel Abgasnachbehandlungsanwendungen und Verfahren zu seiner Herstellung
CN105188920B (zh) 2013-03-13 2018-12-18 巴斯夫公司 具有改进的水热稳定性和nox转化率的nox储存催化剂
US9611774B2 (en) 2013-03-13 2017-04-04 Basf Corporation Catalyst with improved hydrothermal stability
GB2557873A (en) * 2016-05-05 2018-07-04 Johnson Matthey Plc NOx Adsorber catalyst
WO2017191434A1 (en) * 2016-05-05 2017-11-09 Johnson Matthey Public Limited Company NOx ADSORBER CATALYST
GB2554859A (en) * 2016-10-04 2018-04-18 Johnson Matthey Plc NOx adsorber catalyst
GB201616812D0 (en) 2016-10-04 2016-11-16 Johnson Matthey Public Limited Company NOx adsorber catalyst
JP2018171599A (ja) * 2017-03-31 2018-11-08 トヨタ自動車株式会社 排ガス浄化触媒

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071600A (en) * 1976-12-06 1978-01-31 General Motors Corporation Process for improved 3-way emission control
US4675308A (en) * 1984-06-14 1987-06-23 Engelhard Corporation Three-way catalyst for lean operating engines
DE4008371A1 (de) * 1989-03-15 1990-09-20 Riken Kk Abgasreiniger und verfahren zum reinigen von abgasen
ES2104943T5 (es) * 1991-10-03 2005-04-16 Toyota Jidosha Kabushiki Kaisha Dispositivo de purificacion de los gases de escape de un motor de combustion interna.
US5451558A (en) * 1994-02-04 1995-09-19 Goal Line Environmental Technologies Process for the reaction and absorption of gaseous air pollutants, apparatus therefor and method of making the same
JP3363564B2 (ja) * 1994-02-04 2003-01-08 トヨタ自動車株式会社 排ガス浄化用触媒
JP3362546B2 (ja) * 1995-03-10 2003-01-07 トヨタ自動車株式会社 排ガス浄化用触媒
US5750082A (en) * 1995-09-21 1998-05-12 Ford Global Technologies, Inc. Nox trap with improved performance
US5837212A (en) * 1995-09-21 1998-11-17 Ford Global Technologies, Inc. Potassium/manganese nitrogen oxide traps for lean-burn engine operation
JP3861303B2 (ja) * 1995-10-31 2006-12-20 トヨタ自動車株式会社 排ガス浄化用触媒
JP3498453B2 (ja) * 1995-11-27 2004-02-16 日産自動車株式会社 排気ガス浄化用触媒及びその製造方法
US5727385A (en) * 1995-12-08 1998-03-17 Ford Global Technologies, Inc. Lean-burn nox catalyst/nox trap system
JP3965711B2 (ja) * 1996-10-25 2007-08-29 株式会社日立製作所 窒素酸化物の浄化触媒及び浄化方法
US6165429A (en) * 1997-01-10 2000-12-26 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst and exhaust gas purifying method
US5939037A (en) * 1997-02-07 1999-08-17 Ford Global Technologies, Inc. Sulfur tolerant NOx traps highly loaded with sodium or potassium
GB9713428D0 (en) * 1997-06-26 1997-08-27 Johnson Matthey Plc Improvements in emissions control
GB9800325D0 (en) * 1998-01-09 1998-03-04 Johnson Matthey Plc Improvements in catalytic materials
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
DE19838282A1 (de) * 1998-08-24 2000-03-02 Degussa Stickoxid-Speichermaterial und daraus hergestellter Stickoxid-Speicherkatalysator
DE19847008A1 (de) * 1998-10-13 2000-04-20 Degussa Stickoxid-Speicherkatalysator
US6182443B1 (en) * 1999-02-09 2001-02-06 Ford Global Technologies, Inc. Method for converting exhaust gases from a diesel engine using nitrogen oxide absorbent
US6375910B1 (en) * 1999-04-02 2002-04-23 Engelhard Corporation Multi-zoned catalytic trap and methods of making and using the same
US6419890B1 (en) * 2000-08-09 2002-07-16 Engelhard Corporation SOX tolerant NOX trap catalysts and methods of making and using the same
DE60139569D1 (de) * 2000-11-06 2009-09-24 Corning Inc Katalysator zur reinigung von abgasen
US20020103078A1 (en) * 2001-01-26 2002-08-01 Zhicheng Hu SOx trap for enhancing NOx trap performance and methods of making and using the same
US6699448B2 (en) * 2001-01-26 2004-03-02 Engelhard Corporation SOx tolerant NOx trap catalysts and methods of making and using the same

Also Published As

Publication number Publication date
DE60119967D1 (de) 2006-06-29
WO2002040139A1 (en) 2002-05-23
DE60119967T2 (de) 2006-12-21
JP2004513763A (ja) 2004-05-13
US20040048741A1 (en) 2004-03-11
EP1337316B1 (de) 2006-05-24
EP1337316A1 (de) 2003-08-27
GB0028198D0 (en) 2001-01-03

Similar Documents

Publication Publication Date Title
ATE327031T1 (de) Nox-speicherzusammensetzung
TR200102029T2 (tr) 1-Heterosiklil ikameli diarilaminler.
DE59903442D1 (de) Azidfreie, gaserzeugende Zusammensetzung
FR14C0064I2 (fr) Anticorps anti-il-6, compositions, methodes et utilisations associees
DE69514066D1 (de) Ultrakompakte, gütegeschaltete Mikrolaser
BR9911724A (pt) Ciclosporina que tem um perfil de atividade melhorado
ATE289640T1 (de) Amidofunktionelle aminopolydiorganosiloxane
BR0004867B1 (pt) composição de combustìvel contendo polioxialquileno aminas substituìdas com hidrocarbila.
DE60209553D1 (de) Speichersystem für kurznachrichten (sms)
EA200101275A1 (ru) Композиции, содержащие креатин в суспензии
DK1235579T3 (da) Farmaceutiske præparater med indhold af trimegeston
NO20043928L (no) Komponentholder og radioisotopgenerator med en eller flere komponentholdere
DE69817993D1 (de) Polyamine, aromatische Polyalkylester enthaltende Kraftstoffzusammensetzungen
IT242987Y1 (it) Guarnitura per mobili.
NO20052680D0 (no) Forbedringsmiddel inneholdende brennstoff.
WO1999060224A3 (en) Chair for wire mesh used with poured concrete
IT1307003B1 (it) Dispositivo di riduzione dell'inquinamento atmosferico da gas discarico.
TR200002675T2 (tr) Paroksetinin kristalin formu.
IT1294153B1 (it) Struttura di fondello,particolarmente per travetto in laterizio.
ES1043351Y (es) Calendario de sobremesa.
IT1304037B1 (it) Struttura di supporto per scrivanie metalliche.
ITPD970093V0 (it) Impugnatura per la gamba di un supporto astiforme, in particolare di treppiedi fotografici.
ES1052088U (es) Mastil para banderines.
ES1047224Y (es) Estructura soporte para publicidad.
ES1038844Y (es) Buzon-expositor para correo publicitario.

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties