DE69615975D1 - Stickstoffoxid Fallen - Google Patents

Stickstoffoxid Fallen

Info

Publication number
DE69615975D1
DE69615975D1 DE69615975T DE69615975T DE69615975D1 DE 69615975 D1 DE69615975 D1 DE 69615975D1 DE 69615975 T DE69615975 T DE 69615975T DE 69615975 T DE69615975 T DE 69615975T DE 69615975 D1 DE69615975 D1 DE 69615975D1
Authority
DE
Germany
Prior art keywords
nitric oxide
oxide traps
traps
nitric
oxide
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
DE69615975T
Other languages
English (en)
Other versions
DE69615975T2 (de
Inventor
Carolyn Parks Hubbard
Jeffrey Scott Hepburn
Douglas A Dobson
Eva Thanasiu
Haren Sakarlal Gandhi
William Lewis Henderso Watkins
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.)
Ford Werke GmbH
Ford France SA
Ford Motor Company Ltd
Original Assignee
Ford Werke GmbH
Ford France SA
Ford Motor Company Ltd
Ford Motor Co
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 Ford Werke GmbH, Ford France SA, Ford Motor Company Ltd, Ford Motor Co filed Critical Ford Werke GmbH
Publication of DE69615975D1 publication Critical patent/DE69615975D1/de
Application granted granted Critical
Publication of DE69615975T2 publication Critical patent/DE69615975T2/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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—Manganese
    • 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
    • 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
    • B01D2255/207—Transition metals
    • B01D2255/2073—Manganese
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (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 Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
DE69615975T 1995-09-21 1996-09-02 Stickstoffoxid Fallen Expired - Fee Related DE69615975T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/531,502 US5837212A (en) 1995-09-21 1995-09-21 Potassium/manganese nitrogen oxide traps for lean-burn engine operation

Publications (2)

Publication Number Publication Date
DE69615975D1 true DE69615975D1 (de) 2001-11-22
DE69615975T2 DE69615975T2 (de) 2002-04-04

Family

ID=24117892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69615975T Expired - Fee Related DE69615975T2 (de) 1995-09-21 1996-09-02 Stickstoffoxid Fallen

Country Status (4)

Country Link
US (1) US5837212A (de)
EP (1) EP0764460B1 (de)
JP (1) JPH09112252A (de)
DE (1) DE69615975T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19721440A1 (de) * 1997-05-21 1998-11-26 Degussa Verfahren zur Reinigung eines mageren Abgases und Katalysatorsystem hierfür
FR2770790B1 (fr) * 1997-11-10 1999-12-10 Rhodia Chimie Sa Composition a support a base d'un oxyde de cerium, d'un oxyde de zirconium et d'un oxyde de scandium ou de terre rare et utilisation pour le traitement des gaz d'echappement
US6855297B2 (en) 1998-11-16 2005-02-15 Honeywell International Inc. NOx filter
US6348177B1 (en) 1999-02-10 2002-02-19 Southwest Research Institute Apparatus and method for bypassing sulfur dioxide around an aftertreatment device in an exhaust gas aftertreatment system
FR2791907B1 (fr) * 1999-04-12 2002-06-21 Rhodia Chimie Sa COMPOSITIONS UTILISABLES COMME PIEGE A NOx, A BASE DE MANGANESE ET D'UN ALCALIN OU D'UN ALCALINO-TERREUX ET UTILISATION DANS LE TRAITEMENT DES GAZ D'ECHAPPEMENT
FR2793161B1 (fr) * 1999-05-07 2001-10-12 Renault Dispositif d'epuration des gaz d'echappement pour moteur a combustion interne
CA2373080A1 (fr) * 1999-05-07 2000-11-16 Rhodia Chimie Compose utilisable comme piege a nox, associant deux compositions a base de manganese et d'un autre element choisi parmi les alcalins, les alcalino-terreux et les terres rares et son utilisation dans le traitement des gaz d'echappement
FR2793164B1 (fr) * 1999-05-07 2001-08-10 Ecia Equip Composants Ind Auto Composition d'epuration des gaz d'echappement d'un moteur a combustion interne
FR2793162B1 (fr) * 1999-05-07 2001-07-27 Ecia Equip Composants Ind Auto COMPOSE A ACTIVITE CATALYTIQUE OU A ACTIVITE DE PIEGEAGE, UTILISABLE COMME PIEGE A NOx ASSOCIANT DEUX COMPOSITIONS A BASE DE MANGANESE ET D'UN AUTRE ELEMENT CHOISI PARMI LES ALCALINS, LES ALCALINO-TERREUX ET LES TERRES RARES.
FR2793163B1 (fr) * 1999-05-07 2001-08-10 Ecia Equip Composants Ind Auto Composition d'epuration avec traitement des nox des gaz d'echappement d'un moteur a combustion interne
FR2804619B1 (fr) * 2000-02-07 2002-08-02 Rhodia Terres Rares Procede pour le piegeage des nox dans le traitement de gaz en vue de la reduction des emissions d'oxyde d'azote utilisant un catalyseur a base de manganese
US6419890B1 (en) * 2000-08-09 2002-07-16 Engelhard Corporation SOX tolerant NOX trap catalysts and methods of making and using the same
GB0022786D0 (en) * 2000-09-16 2000-11-01 Johnson Matthey Plc NOx-Trap composition
GB0028198D0 (en) * 2000-11-20 2001-01-03 Johnson Matthey Plc High temperature nox-trap component
US6585945B2 (en) * 2001-01-26 2003-07-01 Engelhard Corporation SOx tolerant NOx trap catalysts and methods of making and using the same
WO2003011437A1 (en) 2001-08-01 2003-02-13 Johnson Matthey Public Limited Company Gasoline engine with an exhaust system for combusting particulate matter
US6727202B2 (en) 2001-08-21 2004-04-27 Engelhard Corporation Enhanced NOx trap having increased durability
US6756338B2 (en) * 2001-09-19 2004-06-29 Johnson Matthey Public Limited Company Lean NOx trap/conversion catalyst
US7811961B2 (en) * 2004-08-12 2010-10-12 Ford Global Technologies, Llc Methods and formulations for enhancing NH3 adsorption capacity of selective catalytic reduction catalysts
US7622095B2 (en) * 2004-08-12 2009-11-24 Ford Global Technologies, Llc Catalyst composition for use in a lean NOx trap and method of using
US7749474B2 (en) 2004-08-12 2010-07-06 Ford Global Technologies, Llc Catalyst composition for use in a lean NOx trap and method of using
US7137249B2 (en) * 2004-08-12 2006-11-21 Ford Global Technologies, Llc Thermally stable lean nox trap
US20060035782A1 (en) * 2004-08-12 2006-02-16 Ford Global Technologies, Llc PROCESSING METHODS AND FORMULATIONS TO ENHANCE STABILITY OF LEAN-NOx-TRAP CATALYSTS BASED ON ALKALI- AND ALKALINE-EARTH-METAL COMPOUNDS
KR101971638B1 (ko) 2017-08-28 2019-04-23 희성촉매 주식회사 비-백금족 ＮＯｘ 트랩층을 가지는 ＮＯｘ 트랩 촉매
US20230191324A1 (en) * 2020-05-19 2023-06-22 The Johns Hopkins University Multimetallic oxides for thermally reversible nox sorption

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3388077A (en) * 1963-04-01 1968-06-11 Universal Oil Prod Co Catalyst for treatment of combustible waste products
US3804902A (en) * 1970-11-21 1974-04-16 Daicel Ltd Process for producing acetone
JPS523567A (en) * 1975-06-27 1977-01-12 Matsushita Electric Ind Co Ltd Process for removal of nitrogen oxides
JPS5338710A (en) * 1976-09-14 1978-04-10 Allied Chem Low abrasion aspirator nozzle
JPS56102940A (en) * 1980-01-18 1981-08-17 Toyota Motor Corp Catalyst for cleaning exhaust gas
US4497783A (en) * 1981-08-17 1985-02-05 American Cyanamid Company Exhaust emission catalyst
US4629718A (en) * 1982-08-30 1986-12-16 Atlantic Richfield Company Alkali promoted manganese oxide compositions containing silica and/or alkaline earth oxides
FR2556236B1 (fr) * 1983-12-09 1988-04-01 Pro Catalyse Procede de fabrication d'un catalyseur pour le traitement des gaz d'echappement
JPS61111127A (ja) * 1984-11-06 1986-05-29 Ebara Infilco Co Ltd 排ガスの処理方法
US4769356A (en) * 1985-06-20 1988-09-06 Matsushita Electric Industrial Co., Ltd. Catalyst for purifying exhaust gas
JPS63147518A (ja) * 1986-08-12 1988-06-20 Nippon Chem Ind Co Ltd:The 空気浄化方法
CA2044893C (en) * 1990-06-20 1998-11-03 Senshi Kasahara Transition metal-containing zeolite having high hydrothermal stability, production method thereof and method of using same
JP3113903B2 (ja) * 1990-11-29 2000-12-04 工業技術院長 窒素酸化物除去剤
JPH04354536A (ja) * 1991-05-29 1992-12-08 Asahi Glass Co Ltd 窒素酸化物分解触媒と窒素酸化物の分解方法
GB2256375B (en) * 1991-05-31 1995-06-07 Riken Kk Exhaust gas cleaner and method of cleaning exhaust gas
JP3244520B2 (ja) * 1991-11-05 2002-01-07 株式会社日本触媒 窒素酸化物の吸着剤及びこの吸着剤を用いた窒素酸化物の除去方法
JP2797800B2 (ja) * 1991-12-18 1998-09-17 トヨタ自動車株式会社 触媒劣化度検出装置
US5412945A (en) * 1991-12-27 1995-05-09 Kabushiki Kaisha Toyota Cho Kenkusho Exhaust purification device of an internal combustion engine
JP3311012B2 (ja) * 1992-03-23 2002-08-05 株式会社豊田中央研究所 排気ガス浄化用触媒および排気ガス浄化方法
JPH05277376A (ja) * 1992-03-31 1993-10-26 Nippon Shokubai Co Ltd 窒素酸化物除去用触媒およびこれを用いてなる窒素酸化物除去方法
JP3328318B2 (ja) * 1992-05-22 2002-09-24 トヨタ自動車株式会社 排気ガスの浄化方法
JP2605586B2 (ja) * 1992-07-24 1997-04-30 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2605553B2 (ja) * 1992-08-04 1997-04-30 トヨタ自動車株式会社 内燃機関の排気浄化装置
US5362463A (en) * 1992-08-26 1994-11-08 University Of De Process for removing NOx from combustion zone gases by adsorption
JP3433956B2 (ja) * 1992-09-21 2003-08-04 トヨタ自動車株式会社 排気ガス浄化方法
JPH06121925A (ja) * 1992-10-09 1994-05-06 Nippon Shokubai Co Ltd 窒素酸化物の吸着剤及び除去方法
US5406790A (en) * 1992-12-11 1995-04-18 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an engine
DE69427602T2 (de) * 1993-01-11 2001-11-22 Cataler Industrial Co., Ltd. Verfahren zur Reinigung von Abgasen
JP2760251B2 (ja) * 1993-03-12 1998-05-28 トヨタ自動車株式会社 内燃機関の排気ガス浄化装置
JP4098835B2 (ja) * 1993-12-07 2008-06-11 トヨタ自動車株式会社 排気ガス浄化用触媒

Also Published As

Publication number Publication date
JPH09112252A (ja) 1997-04-28
US5837212A (en) 1998-11-17
EP0764460A3 (de) 1997-04-16
EP0764460B1 (de) 2001-10-17
DE69615975T2 (de) 2002-04-04
EP0764460A2 (de) 1997-03-26

Similar Documents

Publication Publication Date Title
DE69616225D1 (de) Stickstoffoxid-Abscheider
DE69411568D1 (de) Selbstentlüftende filtervorrichtung
FI945013L (fi) Suodatinlaite
DE69208243D1 (de) Drahtbiegevorrichtung
FI941112A7 (fi) Suodatinlaite
DE69710580D1 (de) Stickoxidfallen
DE69501923D1 (de) Blockiervorrichtung
DK0657197T3 (da) Filterapparat
FI942865A7 (fi) Suodatin
DE69411633D1 (de) Fallevorrichtung
IT237154Y1 (it) Dispositivo di riconoscimento
KR960020194U (ko) 단전대
KR960016461U (ko) 집진용 트랩장치
KR950008526U (ko) 자동차의 차광장치
DK140793D0 (da) Vandlaas
KR940021646U (ko) 쥐덫
KR950000015U (ko) 모세관 현상을 이용한 화분
BR7300817U (pt) Armadilha
KR960006757U (ko) 바다장어 및 곰장어 포획망
SE9303038L (sv) Kväveoxidalstring
DK0707879T3 (da) Filtreringsapparat
KR960003617U (ko) 장어잡이 통발
KR970018166U (ko) 트랩
KR970016407U (ko) 노칭장치
KR960019664U (ko) 두더쥐 포획용 덫

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FORD-WERKE GMBH, 50735 KOELN, DE

Owner name: FORD MOTOR CO. LTD., BRENTWOOD, ESSEX, GB

Owner name: FORD FRANCE S.A., RUEIL-MALMAISON, FR

8339 Ceased/non-payment of the annual fee