FR2727636B1 - - Google Patents

Info

Publication number
FR2727636B1
FR2727636B1 FR9414511A FR9414511A FR2727636B1 FR 2727636 B1 FR2727636 B1 FR 2727636B1 FR 9414511 A FR9414511 A FR 9414511A FR 9414511 A FR9414511 A FR 9414511A FR 2727636 B1 FR2727636 B1 FR 2727636B1
Authority
FR
France
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
FR9414511A
Other languages
French (fr)
Other versions
FR2727636A1 (en
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
Priority to FR9414511A priority Critical patent/FR2727636A1/en
Application filed filed Critical
Priority to KR1019970702403A priority patent/KR970706888A/en
Priority to AU36567/95A priority patent/AU700120B2/en
Priority to CA002202185A priority patent/CA2202185A1/en
Priority to MX9702654A priority patent/MX9702654A/en
Priority to CN95196196A priority patent/CN1171062A/en
Priority to EP95934177A priority patent/EP0785820A1/en
Priority to JP8512976A priority patent/JPH10502020A/en
Priority to PCT/FR1995/001302 priority patent/WO1996011740A1/en
Priority to BR9509354A priority patent/BR9509354A/en
Publication of FR2727636A1 publication Critical patent/FR2727636A1/en
Application granted granted Critical
Publication of FR2727636B1 publication Critical patent/FR2727636B1/fr
Priority to FI971497A priority patent/FI971497A/en
Granted 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/847—Vanadium, niobium or tantalum or polonium
    • 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
    • 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
    • B01J23/18—Arsenic, antimony or bismuth
    • 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
    • B01J23/20—Vanadium, niobium or tantalum
    • 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
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/21—Organic compounds not provided for in groups B01D2251/206 or B01D2251/208
    • 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
    • B01D2255/20761—Copper
    • 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
    • B01D2255/20769—Molybdenum
    • 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
    • B01D2255/20776—Tungsten
    • 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
    • B01D2255/20792—Zinc
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
    • 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
FR9414511A 1994-10-13 1994-12-02 Novel nitrous oxide redn. catalytic compsns. Granted FR2727636A1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR9414511A FR2727636A1 (en) 1994-12-02 1994-12-02 Novel nitrous oxide redn. catalytic compsns.
PCT/FR1995/001302 WO1996011740A1 (en) 1994-10-13 1995-10-06 Nitrogen oxide reducing catalyst compositions based on tantalum, vanadium, niobium, copper or antimony
CA002202185A CA2202185A1 (en) 1994-10-13 1995-10-06 Nitrogen oxide reducing catalyst compositions based on tantalum, vanadium, niobium, copper or antimony
MX9702654A MX9702654A (en) 1994-10-13 1995-10-06 Nitrogen oxide reducing catalyst compositions based on tantalum, vanadium, niobium, copper or antimony.
CN95196196A CN1171062A (en) 1994-10-13 1995-10-06 Nitrogen oxide reducing catalyst compositions based on tantalum, vanadium, iobium, copper or antimony
EP95934177A EP0785820A1 (en) 1994-10-13 1995-10-06 Nitrogen oxide reducing catalyst compositions based on tantalum, vanadium, niobium, copper or antimony
KR1019970702403A KR970706888A (en) 1994-10-13 1995-10-06 A catalyst composition for reducing nitrogen oxides based on tantalum, vanadium, niobium, copper or antimony (NITROGEN OXIDE REDUCING CATALYST COMPOSITIONS BASED ON TANTALUM, VANADIUM, NIOBIUM, COPPER OR ANTIMONY)
AU36567/95A AU700120B2 (en) 1994-10-13 1995-10-06 Catalytic compositions for the reduction of nitrogen oxides, based on tantalum, vanadium, niobium, copper or antimony
BR9509354A BR9509354A (en) 1994-10-13 1995-10-06 Catalytic composition for the reduction of nitrogen oxide emissions in the treatment of a gas with high oxygen content catalytic system process for the treatment of gases with a high oxygen content for the reduction of nitrogen oxide emissions and the use of the composition or system catalytic
JP8512976A JPH10502020A (en) 1994-10-13 1995-10-06 Catalyst compositions for reducing nitrogen oxides based on tantalum, vanadium, niobium, copper or antimony
FI971497A FI971497A (en) 1994-10-13 1997-04-10 Tantalum, vanadium, niobium, copper, or antinomic-based nitric oxide reduction catalyst mixtures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9414511A FR2727636A1 (en) 1994-12-02 1994-12-02 Novel nitrous oxide redn. catalytic compsns.

Publications (2)

Publication Number Publication Date
FR2727636A1 FR2727636A1 (en) 1996-06-07
FR2727636B1 true FR2727636B1 (en) 1997-02-21

Family

ID=9469421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9414511A Granted FR2727636A1 (en) 1994-10-13 1994-12-02 Novel nitrous oxide redn. catalytic compsns.

Country Status (1)

Country Link
FR (1) FR2727636A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1413949A (en) * 1972-12-09 1975-11-12 Hitachi Shipbuilding Eng Co Method for the removal of nitrogen oxides
JPS52122293A (en) * 1976-04-08 1977-10-14 Nippon Shokubai Kagaku Kogyo Co Ltd Catalyst for purifying nox
JPH064126B2 (en) * 1985-06-10 1994-01-19 株式会社日本触媒 Exhaust gas purification method
JPH04371231A (en) * 1991-06-18 1992-12-24 N E Chemcat Corp Catalyst for purification of exhaust gas
JP3291316B2 (en) * 1992-05-19 2002-06-10 マツダ株式会社 Exhaust gas purification catalyst
JP3323233B2 (en) * 1992-06-24 2002-09-09 マツダ株式会社 Method for producing exhaust gas purifying catalyst
JPH06154609A (en) * 1992-11-20 1994-06-03 Riken Corp Catalyst for removal of nitrogen oxide and method for removing nitrogen oxide

Also Published As

Publication number Publication date
FR2727636A1 (en) 1996-06-07

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Legal Events

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