CA1090097A - Catalyst for converting nitrogen oxides and method for converting nitrogen oxides in exhaust gases by using said catalyst - Google Patents

Catalyst for converting nitrogen oxides and method for converting nitrogen oxides in exhaust gases by using said catalyst

Info

Publication number
CA1090097A
CA1090097A CA258,141A CA258141A CA1090097A CA 1090097 A CA1090097 A CA 1090097A CA 258141 A CA258141 A CA 258141A CA 1090097 A CA1090097 A CA 1090097A
Authority
CA
Canada
Prior art keywords
catalyst
nitrogen oxides
carrier
supported
exhaust gas
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
Application number
CA258,141A
Other languages
English (en)
French (fr)
Inventor
Kazuya Soga
Kei Utsunomiya
Yutaka Mito
Katsunori Shimasaki
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
Application granted granted Critical
Publication of CA1090097A publication Critical patent/CA1090097A/en
Expired 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)
CA258,141A 1975-09-05 1976-07-30 Catalyst for converting nitrogen oxides and method for converting nitrogen oxides in exhaust gases by using said catalyst Expired CA1090097A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP108179/1975 1975-09-05
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 (1)

Publication Number Publication Date
CA1090097A true CA1090097A (en) 1980-11-25

Family

ID=14477985

Family Applications (1)

Application Number Title Priority Date Filing Date
CA258,141A Expired CA1090097A (en) 1975-09-05 1976-07-30 Catalyst for converting nitrogen oxides and method for converting nitrogen oxides in exhaust gases by using said catalyst

Country Status (6)

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

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
EP3393629B1 (de) * 2015-12-22 2021-01-20 Shell Internationale Research Maatschappij B.V. Katalysatorbett und verfahren zur reduktion von stickoxiden
EP3393630A1 (de) 2015-12-22 2018-10-31 Shell Internationale Research Maatschappij B.V. Katalysatorbett und verfahren zur reduktion von stickoxiden

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53382B2 (de) * 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 (de) * 1973-03-26 1980-06-20
JPS5417033B2 (de) * 1973-06-14 1979-06-27
JPS5013590A (de) * 1973-06-14 1975-02-13
NL7413819A (nl) * 1973-10-23 1975-04-25 Union Carbide Corp Werkwijze voor het katalytisch oxyderen in de dampfase van onverzadigde alifatische aldehyden tot de overeenkomende onverzadigde alifatische carbonzuren.

Also Published As

Publication number Publication date
GB1557044A (en) 1979-12-05
JPS5231971A (en) 1977-03-10
JPS6052856B2 (ja) 1985-11-21
DE2634279C2 (de) 1982-12-30
DE2634279A1 (de) 1977-03-10
FR2322651A1 (fr) 1977-04-01
IT1064688B (it) 1985-02-25
FR2322651B1 (de) 1980-05-23

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Legal Events

Date Code Title Description
MKEX Expiry