JPS5012393B2 - - Google Patents

Info

Publication number
JPS5012393B2
JPS5012393B2 JP48028483A JP2848373A JPS5012393B2 JP S5012393 B2 JPS5012393 B2 JP S5012393B2 JP 48028483 A JP48028483 A JP 48028483A JP 2848373 A JP2848373 A JP 2848373A JP S5012393 B2 JPS5012393 B2 JP S5012393B2
Authority
JP
Japan
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
JP48028483A
Other languages
Japanese (ja)
Other versions
JPS49117360A (de
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 filed Critical
Priority to JP48028483A priority Critical patent/JPS5012393B2/ja
Priority to DE19742411888 priority patent/DE2411888C3/de
Publication of JPS49117360A publication Critical patent/JPS49117360A/ja
Publication of JPS5012393B2 publication Critical patent/JPS5012393B2/ja
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
JP48028483A 1973-03-13 1973-03-13 Expired JPS5012393B2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP48028483A JPS5012393B2 (de) 1973-03-13 1973-03-13
DE19742411888 DE2411888C3 (de) 1973-03-13 1974-03-12 Verfahren zur Beseitigung von Stickstoffoxiden in Abgasen

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS49117360A JPS49117360A (de) 1974-11-09
JPS5012393B2 true JPS5012393B2 (de) 1975-05-12

Family

ID=12249893

Family Applications (1)

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

Country Status (2)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043093A (de) * 1973-08-21 1975-04-18
JPS557295B2 (de) * 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
EP0679427A1 (de) * 1991-07-23 1995-11-02 Kabushiki Kaisha Riken Abgasreiniger
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 Riken Kk Abgasreiniger

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253685B (de) * 1963-01-22 1967-11-09 Degussa Verfahren zur Entfernung von Stickstoffoxyden aus stickstoffoxydhaltigen Abgasen
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
JPS4943869A (de) * 1972-09-01 1974-04-25
JPS4975464A (de) * 1972-09-01 1974-07-22

Family Cites Families (1)

* 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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253685B (de) * 1963-01-22 1967-11-09 Degussa Verfahren zur Entfernung von Stickstoffoxyden aus stickstoffoxydhaltigen Abgasen
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
JPS4943869A (de) * 1972-09-01 1974-04-25
JPS4975464A (de) * 1972-09-01 1974-07-22

Also Published As

Publication number Publication date
DE2411888A1 (de) 1974-09-26
DE2411888B2 (de) 1977-11-24
DE2411888C3 (de) 1982-05-19
JPS49117360A (de) 1974-11-09

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