DE69321093D1 - Zweistufiges katalysator System für einem Verbrennungsmotor - Google Patents

Zweistufiges katalysator System für einem Verbrennungsmotor

Info

Publication number
DE69321093D1
DE69321093D1 DE69321093T DE69321093T DE69321093D1 DE 69321093 D1 DE69321093 D1 DE 69321093D1 DE 69321093 T DE69321093 T DE 69321093T DE 69321093 T DE69321093 T DE 69321093T DE 69321093 D1 DE69321093 D1 DE 69321093D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
catalytic converter
converter system
stage catalytic
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
DE69321093T
Other languages
English (en)
Other versions
DE69321093T2 (de
Inventor
Somasundaram Subramanian
Robert J Kudla
Mohinder S Chattha
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
Original Assignee
Ford Werke GmbH
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 filed Critical Ford Werke GmbH
Application granted granted Critical
Publication of DE69321093D1 publication Critical patent/DE69321093D1/de
Publication of DE69321093T2 publication Critical patent/DE69321093T2/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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • 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
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/30—Tungsten
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/19—Catalysts containing parts with different compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/208—Hydrocarbons
    • 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
    • B01D2255/204—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
    • B01D2255/20707—Titanium
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
DE69321093T 1993-01-08 1993-12-20 Zweistufiges katalysator System für einem Verbrennungsmotor Expired - Lifetime DE69321093T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US196993A 1993-01-08 1993-01-08

Publications (2)

Publication Number Publication Date
DE69321093D1 true DE69321093D1 (de) 1998-10-22
DE69321093T2 DE69321093T2 (de) 1999-02-25

Family

ID=21698644

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69321093T Expired - Lifetime DE69321093T2 (de) 1993-01-08 1993-12-20 Zweistufiges katalysator System für einem Verbrennungsmotor

Country Status (3)

Country Link
US (1) US5399324A (de)
EP (1) EP0605995B1 (de)
DE (1) DE69321093T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0605991A1 (de) * 1993-01-07 1994-07-13 Ford Motor Company Limited Nur Basismetall enthaltender Katalysator System für Verbrennungsmotoren
EP0666099B1 (de) * 1993-04-28 2001-07-18 Nippon Shokubai Co., Ltd. Methode zur entfernung von in abgas enthaltenen stickstoffoxyden
DE69417889T2 (de) * 1993-06-25 1999-10-07 Engelhard Corp Zusammengesetzten schichtkatalysator
DE4334981C2 (de) * 1993-10-14 1998-02-26 Daimler Benz Ag Verwendung eines Reaktors zur katalytischen Entfernung von CO in H¶2¶-reichem Gas
US5611198A (en) * 1994-08-16 1997-03-18 Caterpillar Inc. Series combination catalytic converter
CA2144366A1 (en) * 1995-03-09 1996-09-11 Takashi Itoh Method of purifying exhaust gas from internal combustion engine
US5593933A (en) * 1995-08-30 1997-01-14 Ford Motor Company Refractory oxides based silver-tungsten lean-NOx catalyst
US5878567A (en) * 1996-01-22 1999-03-09 Ford Global Technologies, Inc. Closely coupled exhaust catalyst system and engine strategy associated therewith
US5876680A (en) * 1996-06-12 1999-03-02 Ford Global Technologies, Inc. Bimetallic tungsten/platinum catalysts for lean-burn emissions
US5922295A (en) * 1997-03-10 1999-07-13 Ford Global Technologies, Inc. Sulfur-resistant NOx traps containing tungstophosphoric acid and precious metal
CA2311329A1 (en) * 1997-11-27 1999-06-10 Idemitsu Kosan Co., Ltd. Alumina-supported ruthenium catalyst
US5950421A (en) * 1997-12-18 1999-09-14 Ford Global Technologies, Inc. Tungsten-modified platinum NOx traps for automotive emission reduction
US6033461A (en) * 1998-01-02 2000-03-07 Gas Research Institute Selective nitrogen oxides adsorption from hot gas mixtures and thermal release by adsorbent
JP4012320B2 (ja) * 1998-10-15 2007-11-21 株式会社アイシーティー 希薄燃焼エンジン用排気ガス浄化用触媒
US6634168B1 (en) * 1998-10-19 2003-10-21 Nissan Motor Co., Ltd. Exhaust gas purification system
US6103207A (en) * 1999-04-26 2000-08-15 Ford Global Technologies, Inc. Treating diesel exhaust with a catalytic particulate mixture
US7138358B2 (en) * 2001-11-13 2006-11-21 Sud-Chemie Inc. Catalyzed diesel particulate matter filter with improved thermal stability
DE10319439A1 (de) * 2003-04-30 2004-11-18 Basf Ag Aktivierte Metathesekatalysatoren
US7691338B2 (en) * 2004-03-10 2010-04-06 Siemens Energy, Inc. Two stage catalytic combustor
US7481983B2 (en) * 2004-08-23 2009-01-27 Basf Catalysts Llc Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397034A (en) * 1966-01-19 1968-08-13 Union Oil Co Method and apparatus for treating exhaust gases
US3656915A (en) * 1970-04-30 1972-04-18 Chemical Construction Corp Catalytic exhaust gas treatment apparatus
US3867508A (en) * 1971-10-29 1975-02-18 Union Oil Co Exhaust gas conversion process and apparatus
US3896616A (en) * 1972-04-21 1975-07-29 Engelhard Min & Chem Process and apparatus
GB1586530A (en) * 1977-05-31 1981-03-18 Caterpillar Tractor Co Two-stage catalysts of engine exhaust
US4520124A (en) * 1981-03-19 1985-05-28 Sakai Chemical Industry Co., Ltd. Method for producing a catalytic structure for the reduction of nitrogen oxides
US4737345A (en) * 1981-04-20 1988-04-12 Werner Henke System for efficiently removing oxides of nitrogen from exhaust gas
US4374103A (en) * 1981-07-20 1983-02-15 Ford Motor Company Method of using a low cost catalyst system
EP0070736B1 (de) * 1981-07-20 1985-07-10 Ford Motor Company Limited Abgaskatalysator
DE3608635A1 (de) * 1986-03-14 1987-09-17 Drache Keramikfilter Abgasreaktor und verfahren zu seiner herstellung
JPH0817939B2 (ja) * 1986-11-19 1996-02-28 三菱化学株式会社 排煙脱硝触媒
FR2622126B1 (fr) * 1987-10-21 1991-06-14 Procatalyse Ste Fse Produits C Catalyseur pour le traitement des gaz d'echappement des moteurs a combustion interne et procede de fabrication de ce catalyseur
US5039644A (en) * 1989-01-10 1991-08-13 Corning Incorporated Phosphate-containing ceramic structures for catalyst support and fluid filtering
EP0605991A1 (de) * 1993-01-07 1994-07-13 Ford Motor Company Limited Nur Basismetall enthaltender Katalysator System für Verbrennungsmotoren

Also Published As

Publication number Publication date
US5399324A (en) 1995-03-21
DE69321093T2 (de) 1999-02-25
EP0605995A1 (de) 1994-07-13
EP0605995B1 (de) 1998-09-16

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Legal Events

Date Code Title Description
8330 Complete renunciation