FR2725638B1 - - Google Patents

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Publication number
FR2725638B1
FR2725638B1 FR9412200A FR9412200A FR2725638B1 FR 2725638 B1 FR2725638 B1 FR 2725638B1 FR 9412200 A FR9412200 A FR 9412200A FR 9412200 A FR9412200 A FR 9412200A FR 2725638 B1 FR2725638 B1 FR 2725638B1
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
FR9412200A
Other versions
FR2725638A1 (fr
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 FR9412200A priority Critical patent/FR2725638A1/fr
Application filed filed Critical
Priority to EP95934177A priority patent/EP0785820A1/fr
Priority to PCT/FR1995/001302 priority patent/WO1996011740A1/fr
Priority to MX9702654A priority patent/MX9702654A/es
Priority to JP8512976A priority patent/JPH10502020A/ja
Priority to BR9509354A priority patent/BR9509354A/pt
Priority to CA002202185A priority patent/CA2202185A1/fr
Priority to CN95196196A priority patent/CN1171062A/zh
Priority to AU36567/95A priority patent/AU700120B2/en
Priority to KR1019970702403A priority patent/KR970706888A/ko
Publication of FR2725638A1 publication Critical patent/FR2725638A1/fr
Application granted granted Critical
Publication of FR2725638B1 publication Critical patent/FR2725638B1/fr
Priority to FI971497A priority patent/FI971497A/fi
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
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20723—Vanadium
    • 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
    • B01D2255/20792—Zinc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2094—Tin
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
FR9412200A 1994-10-13 1994-10-13 Compositions catalytiques pour la reduction des oxydes d'azote a base de tantale, de vanadium, de niobium ou d'antimoine Granted FR2725638A1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR9412200A FR2725638A1 (fr) 1994-10-13 1994-10-13 Compositions catalytiques pour la reduction des oxydes d'azote a base de tantale, de vanadium, de niobium ou d'antimoine
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
MX9702654A MX9702654A (es) 1994-10-13 1995-10-06 Composiciones cataliticas para la reduccion de oxidos de nitrogeno, basadas en el tantalio, vanadio, niobio, cobre o antimonio.
JP8512976A JPH10502020A (ja) 1994-10-13 1995-10-06 タンタル、バナジウム、ニオブ、銅又はアンチモンを基とする、窒素酸化物を減少させるための触媒組成物
BR9509354A BR9509354A (pt) 1994-10-13 1995-10-06 Composição catalítica para a redução das emissões dos óxidos de nitrogénio no tratamento de um gás com teor elavado de oxigénio sistema catalitico processo de tratamento de gases com um teor elevado de oxigénio para a redução da emissões dos óxidos de nitrogénio e utilização da composição ou do sistema catalitico
CA002202185A CA2202185A1 (fr) 1994-10-13 1995-10-06 Compositions catalytiques pour la reduction des oxydes d'azote a base de tantale, de vanadium, de niobium, de cuivre ou d'antimoine
EP95934177A EP0785820A1 (fr) 1994-10-13 1995-10-06 Compositions catalytiques pour la reduction des oxydes d'azote a base de tantale, de vanadium, de niobium, de cuivre ou d'antimoine
PCT/FR1995/001302 WO1996011740A1 (fr) 1994-10-13 1995-10-06 Compositions catalytiques pour la reduction des oxydes d'azote a base de tantale, de vanadium, de niobium, de cuivre ou d'antimoine
KR1019970702403A KR970706888A (ko) 1994-10-13 1995-10-06 탄탈륨, 바나듐, 니오븀, 구리 또는 안티몬을 기재로하는 질소 산화물 감소용 촉매 조성물(nitrogen oxide reducing catalyst compositions based on tantalum, vanadium, niobium, copper or antimony)
CN95196196A CN1171062A (zh) 1994-10-13 1995-10-06 以钽、钒、铌、铜或锑为基础的用于还原氮氧化物的催化剂组合物
FI971497A FI971497A (fi) 1994-10-13 1997-04-10 Tantali-, vanadiini-, niobi-, kupari-, tai antinomipohjaiset typpioksidin pelkistyskatalyyttiseokset

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9412200A FR2725638A1 (fr) 1994-10-13 1994-10-13 Compositions catalytiques pour la reduction des oxydes d'azote a base de tantale, de vanadium, de niobium ou d'antimoine

Publications (2)

Publication Number Publication Date
FR2725638A1 FR2725638A1 (fr) 1996-04-19
FR2725638B1 true FR2725638B1 (fr) 1997-02-07

Family

ID=9467809

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9412200A Granted FR2725638A1 (fr) 1994-10-13 1994-10-13 Compositions catalytiques pour la reduction des oxydes d'azote a base de tantale, de vanadium, de niobium ou d'antimoine

Country Status (1)

Country Link
FR (1) FR2725638A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8173574B2 (en) * 2006-09-20 2012-05-08 Basf Corporation Catalysts to reduce NOx in an exhaust gas stream and methods of preparation
US7943548B2 (en) * 2006-09-20 2011-05-17 Basf Corporation Catalysts to reduce NOx in an exhaust gas stream and methods of preparation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131643A (en) * 1975-09-05 1978-12-26 Kobe Steel Limited Catalyst for converting nitrogen oxides and method for converting nitrogen oxides in exhaust gases by using said catalyst
US4782039A (en) * 1986-05-19 1988-11-01 Johnson Matthey, Inc. Selective catalytic reduction catalyst and a process for preparing the catalyst
SE464688B (sv) * 1989-02-27 1991-06-03 Eka Nobel Ab Katalysator foer reducering av kvaeveoxider samt anvaendning daerav
DK164729C (da) * 1990-08-01 1992-12-28 Haldor Topsoe As Fremgangsmaade til rensning af roeg og spildgas
GB2256375B (en) * 1991-05-31 1995-06-07 Riken Kk Exhaust gas cleaner and method of cleaning exhaust gas

Also Published As

Publication number Publication date
FR2725638A1 (fr) 1996-04-19

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