DE60119967D1 - Nox-speicherzusammensetzung - Google Patents

Nox-speicherzusammensetzung

Info

Publication number
DE60119967D1
DE60119967D1 DE60119967T DE60119967T DE60119967D1 DE 60119967 D1 DE60119967 D1 DE 60119967D1 DE 60119967 T DE60119967 T DE 60119967T DE 60119967 T DE60119967 T DE 60119967T DE 60119967 D1 DE60119967 D1 DE 60119967D1
Authority
DE
Germany
Prior art keywords
nox
pgm
storage component
nox storage
memory composition
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 - Lifetime
Application number
DE60119967T
Other languages
English (en)
Other versions
DE60119967T2 (de
Inventor
Rao Rajaram
Stephen Poulston
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
Publication of DE60119967D1 publication Critical patent/DE60119967D1/de
Application granted granted Critical
Publication of DE60119967T2 publication Critical patent/DE60119967T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE60119967T 2000-11-20 2001-11-19 Nox-speicherzusammensetzung Expired - Lifetime DE60119967T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0028198.0A GB0028198D0 (en) 2000-11-20 2000-11-20 High temperature nox-trap component
GB0028198 2000-11-20
PCT/GB2001/005060 WO2002040139A1 (en) 2000-11-20 2001-11-19 NOx-TRAP COMPOSITION

Publications (2)

Publication Number Publication Date
DE60119967D1 true DE60119967D1 (de) 2006-06-29
DE60119967T2 DE60119967T2 (de) 2006-12-21

Family

ID=9903450

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60119967T Expired - Lifetime DE60119967T2 (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
WO2014164876A1 (en) 2013-03-13 2014-10-09 Basf Corporation Nox storage catalyst with improved hydrothermal stability and nox conversion
US9611774B2 (en) 2013-03-13 2017-04-04 Basf Corporation Catalyst with improved hydrothermal stability
EP3468710A1 (de) * 2016-05-05 2019-04-17 Johnson Matthey Public Limited Company Nox-absorber-katalysator
GB2557873A (en) * 2016-05-05 2018-07-04 Johnson Matthey Plc NOx Adsorber catalyst
GB201616812D0 (en) 2016-10-04 2016-11-16 Johnson Matthey Public Limited Company NOx adsorber catalyst
GB2554859A (en) * 2016-10-04 2018-04-18 Johnson Matthey Plc 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
US5075274A (en) * 1989-03-15 1991-12-24 Kabushiki Kaisha Riken Exhaust gas cleaner
DE69221287T3 (de) * 1991-10-03 2005-02-24 Toyota Jidosha K.K., Toyota Gerät zum reinigen von verbrennungsmotor-abgasen
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
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
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
US5837212A (en) * 1995-09-21 1998-11-17 Ford Global Technologies, Inc. Potassium/manganese nitrogen oxide traps for lean-burn engine operation
US5750082A (en) * 1995-09-21 1998-05-12 Ford Global Technologies, Inc. Nox trap with improved performance
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
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
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
EP1341599B1 (de) * 2000-11-06 2009-08-12 Corning Incorporated 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
EP1337316A1 (de) 2003-08-27
EP1337316B1 (de) 2006-05-24
GB0028198D0 (en) 2001-01-03
WO2002040139A1 (en) 2002-05-23
US20040048741A1 (en) 2004-03-11
ATE327031T1 (de) 2006-06-15
DE60119967T2 (de) 2006-12-21
JP2004513763A (ja) 2004-05-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: KROHER, STROBEL RECHTS- UND PATENTANWAELTE, 80336

8328 Change in the person/name/address of the agent

Representative=s name: DR. SCHOEN & PARTNER, 80336 MUENCHEN