JPS49117360A - - Google Patents

Info

Publication number
JPS49117360A
JPS49117360A JP48028483A JP2848373A JPS49117360A JP S49117360 A JPS49117360 A JP S49117360A JP 48028483 A JP48028483 A JP 48028483A JP 2848373 A JP2848373 A JP 2848373A JP S49117360 A JPS49117360 A JP S49117360A
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.)
Granted
Application number
JP48028483A
Other languages
Japanese (ja)
Other versions
JPS5012393B2 (enrdf_load_stackoverflow
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
JP48028483A 1973-03-13 1973-03-13 Expired JPS5012393B2 (enrdf_load_stackoverflow)

Priority Applications (2)

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

Publications (2)

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

Family

ID=12249893

Family Applications (1)

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

Country Status (2)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043093A (enrdf_load_stackoverflow) * 1973-08-21 1975-04-18
JPS5188470A (enrdf_load_stackoverflow) * 1975-02-03 1976-08-03

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0526099B1 (en) * 1991-07-23 1997-10-01 Kabushiki Kaisha Riken Exhaust gas cleaner
US5534237A (en) * 1991-07-23 1996-07-09 Kubushiki Kaisha Riken Method of cleaning an exhaust gas and exhaust gas cleaner therefor
EP0679427A1 (en) * 1991-07-23 1995-11-02 Kabushiki Kaisha Riken Exhaust gas cleaner

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (enrdf_load_stackoverflow) * 1972-09-01 1974-04-25
JPS4975464A (enrdf_load_stackoverflow) * 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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (enrdf_load_stackoverflow) * 1972-09-01 1974-04-25
JPS4975464A (enrdf_load_stackoverflow) * 1972-09-01 1974-07-22

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043093A (enrdf_load_stackoverflow) * 1973-08-21 1975-04-18
JPS5188470A (enrdf_load_stackoverflow) * 1975-02-03 1976-08-03

Also Published As

Publication number Publication date
DE2411888C3 (de) 1982-05-19
DE2411888B2 (de) 1977-11-24
DE2411888A1 (de) 1974-09-26
JPS5012393B2 (enrdf_load_stackoverflow) 1975-05-12

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