FR2322651A1 - Catalyseur pour la reduction des oxydes d'azote et son application a la purification des gaz d'echappement - Google Patents

Catalyseur pour la reduction des oxydes d'azote et son application a la purification des gaz d'echappement

Info

Publication number
FR2322651A1
FR2322651A1 FR7623509A FR7623509A FR2322651A1 FR 2322651 A1 FR2322651 A1 FR 2322651A1 FR 7623509 A FR7623509 A FR 7623509A FR 7623509 A FR7623509 A FR 7623509A FR 2322651 A1 FR2322651 A1 FR 2322651A1
Authority
FR
France
Prior art keywords
purification
catalyst
reduction
application
exhaust gases
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.)
Granted
Application number
FR7623509A
Other languages
English (en)
Other versions
FR2322651B1 (fr
Inventor
Kei Utsunomiya
Kazuya Soga
Katsunori Shimasaki
Yutaka Mito
Mamoru Aoki
Shigeru Haseba
Hiroetu Miki
Michiko Masaki
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of FR2322651A1 publication Critical patent/FR2322651A1/fr
Application granted granted Critical
Publication of FR2322651B1 publication Critical patent/FR2322651B1/fr
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
    • B01J23/16—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
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific 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
    • B01J23/16—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
    • 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
    • B01J23/8474—Niobium
    • 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
    • B01J23/85—Chromium, molybdenum or tungsten

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
FR7623509A 1975-09-05 1976-07-30 Catalyseur pour la reduction des oxydes d'azote et son application a la purification des gaz d'echappement Granted FR2322651A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50108179A JPS6052856B2 (ja) 1975-09-05 1975-09-05 固定燃焼装置よりの排ガス中に含まれる窒素酸化物の除去法

Publications (2)

Publication Number Publication Date
FR2322651A1 true FR2322651A1 (fr) 1977-04-01
FR2322651B1 FR2322651B1 (fr) 1980-05-23

Family

ID=14477985

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7623509A Granted FR2322651A1 (fr) 1975-09-05 1976-07-30 Catalyseur pour la reduction des oxydes d'azote et son application a la purification des gaz d'echappement

Country Status (6)

Country Link
JP (1) JPS6052856B2 (fr)
CA (1) CA1090097A (fr)
DE (1) DE2634279C2 (fr)
FR (1) FR2322651A1 (fr)
GB (1) GB1557044A (fr)
IT (1) IT1064688B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6479428B1 (en) * 1998-07-27 2002-11-12 Battelle Memorial Institute Long life hydrocarbon conversion catalyst and method of making
CN108472584A (zh) * 2015-12-22 2018-08-31 国际壳牌研究有限公司 催化剂床和用于还原氮氧化物的方法
US11020732B2 (en) 2015-12-22 2021-06-01 Shell Oil Company Catalyst bed and method for reducing nitrogen oxides

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53382B2 (fr) * 1972-02-25 1978-01-07
US3849342A (en) * 1972-11-29 1974-11-19 Texas Instruments Inc Catalysts for conversion of nitrogen oxide pollutants in automotive exhaust gases
JPS5523086B2 (fr) * 1973-03-26 1980-06-20
JPS5013590A (fr) * 1973-06-14 1975-02-13
JPS5417033B2 (fr) * 1973-06-14 1979-06-27
DE2449992C3 (de) * 1973-10-23 1978-04-13 Union Carbide Corp., New York, N.Y. (V.St.A.) Oxidationskatalysator und dessen Verwendung zur Herstellung von ungesättigten Carbonsäuren

Also Published As

Publication number Publication date
IT1064688B (it) 1985-02-25
FR2322651B1 (fr) 1980-05-23
CA1090097A (fr) 1980-11-25
DE2634279A1 (de) 1977-03-10
GB1557044A (en) 1979-12-05
DE2634279C2 (de) 1982-12-30
JPS6052856B2 (ja) 1985-11-21
JPS5231971A (en) 1977-03-10

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Legal Events

Date Code Title Description
ST Notification of lapse