DE2411888C3 - Verfahren zur Beseitigung von Stickstoffoxiden in Abgasen - Google Patents

Verfahren zur Beseitigung von Stickstoffoxiden in Abgasen

Info

Publication number
DE2411888C3
DE2411888C3 DE19742411888 DE2411888A DE2411888C3 DE 2411888 C3 DE2411888 C3 DE 2411888C3 DE 19742411888 DE19742411888 DE 19742411888 DE 2411888 A DE2411888 A DE 2411888A DE 2411888 C3 DE2411888 C3 DE 2411888C3
Authority
DE
Germany
Prior art keywords
catalyst
oxide
gas
sulfur dioxide
pretreatment
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
DE19742411888
Other languages
German (de)
English (en)
Other versions
DE2411888B2 (de
DE2411888A1 (de
Inventor
Toshio Tokyo Sato
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.)
National Institute of Advanced Industrial Science and Technology
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Publication of DE2411888A1 publication Critical patent/DE2411888A1/de
Publication of DE2411888B2 publication Critical patent/DE2411888B2/de
Application granted granted Critical
Publication of DE2411888C3 publication Critical patent/DE2411888C3/de
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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/20—Sulfiding
    • 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
    • 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
    • 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
    • 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
    • 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
    • B01J23/86—Chromium
    • B01J23/862—Iron and chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE19742411888 1973-03-13 1974-03-12 Verfahren zur Beseitigung von Stickstoffoxiden in Abgasen Expired DE2411888C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48028483A JPS5012393B2 (enExample) 1973-03-13 1973-03-13

Publications (3)

Publication Number Publication Date
DE2411888A1 DE2411888A1 (de) 1974-09-26
DE2411888B2 DE2411888B2 (de) 1977-11-24
DE2411888C3 true DE2411888C3 (de) 1982-05-19

Family

ID=12249893

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742411888 Expired DE2411888C3 (de) 1973-03-13 1974-03-12 Verfahren zur Beseitigung von Stickstoffoxiden in Abgasen

Country Status (2)

Country Link
JP (1) JPS5012393B2 (enExample)
DE (1) DE2411888C3 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043093A (enExample) * 1973-08-21 1975-04-18
JPS557295B2 (enExample) * 1975-02-03 1980-02-23
US4089930A (en) * 1976-02-12 1978-05-16 New England Power Service Company Process for the catalytic reduction of nitric oxide
US4049777A (en) * 1976-05-20 1977-09-20 Didier Engineering Gmbh Method of waste gas treatment
JPS5311879A (en) 1976-07-20 1978-02-02 Sumitomo Chem Co Ltd Moving bed type catalytic reduction method for nitrogen oxides
US4112053A (en) * 1977-01-04 1978-09-05 Kureha Kagaku Kogyo Kabushiki Kaisha Dry method for the denitrification of exhaust gas containing nitrogen oxides
US5534237A (en) * 1991-07-23 1996-07-09 Kubushiki Kaisha Riken Method of cleaning an exhaust gas and exhaust gas cleaner therefor
DE69222488T2 (de) * 1991-07-23 1998-02-05 Agency Ind Science Techn Abgasreiniger
EP0679427A1 (en) * 1991-07-23 1995-11-02 Kabushiki Kaisha Riken Exhaust gas cleaner

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053613A (en) * 1959-06-25 1962-09-11 Engelhard Ind Inc Method of purifying gases containing oxygen and oxides of nitrogen
US3449063A (en) * 1966-05-13 1969-06-10 Ethyl Corp Method of controlling exhaust emission
US3599427A (en) * 1969-09-22 1971-08-17 Ford Motor Co Exhaust gas purification
GB1438120A (en) * 1972-09-01 1976-06-03 Exxon Research Engineering Co Removal of nitrogen oxides from flue gas
JPS4943869A (enExample) * 1972-09-01 1974-04-25

Also Published As

Publication number Publication date
JPS49117360A (enExample) 1974-11-09
JPS5012393B2 (enExample) 1975-05-12
DE2411888B2 (de) 1977-11-24
DE2411888A1 (de) 1974-09-26

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee