JPS4975464A - - Google Patents

Info

Publication number
JPS4975464A
JPS4975464A JP48097409A JP9740973A JPS4975464A JP S4975464 A JPS4975464 A JP S4975464A JP 48097409 A JP48097409 A JP 48097409A JP 9740973 A JP9740973 A JP 9740973A JP S4975464 A JPS4975464 A JP S4975464A
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
JP48097409A
Other languages
Japanese (ja)
Other versions
JPS6059004B2 (en
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
Publication of JPS4975464A publication Critical patent/JPS4975464A/ja
Publication of JPS6059004B2 publication Critical patent/JPS6059004B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D53/8637—Simultaneously removing sulfur oxides and 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
    • B01D53/74—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
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
JP48097409A 1972-09-01 1973-08-31 Removal of nitrogen oxides from flue gas Expired JPS6059004B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28583272A 1972-09-01 1972-09-01
US285832 1972-09-01

Publications (2)

Publication Number Publication Date
JPS4975464A true JPS4975464A (en) 1974-07-22
JPS6059004B2 JPS6059004B2 (en) 1985-12-23

Family

ID=23095888

Family Applications (2)

Application Number Title Priority Date Filing Date
JP48097409A Expired JPS6059004B2 (en) 1972-09-01 1973-08-31 Removal of nitrogen oxides from flue gas
JP50044902A Expired JPS5837010B2 (en) 1972-09-01 1975-04-15 Method for treating gas mixtures for the removal of nitrogen oxides

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP50044902A Expired JPS5837010B2 (en) 1972-09-01 1975-04-15 Method for treating gas mixtures for the removal of nitrogen oxides

Country Status (8)

Country Link
JP (2) JPS6059004B2 (en)
BE (1) BE804317A (en)
CA (1) CA1007830A (en)
DE (1) DE2341242A1 (en)
FR (1) FR2197628B1 (en)
GB (1) GB1438120A (en)
IT (1) IT993099B (en)
NL (1) NL7312041A (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49117360A (en) * 1973-03-13 1974-11-09
JPS49122473A (en) * 1973-03-26 1974-11-22
JPS49129689A (en) * 1973-04-18 1974-12-12
JPS502668A (en) * 1973-05-12 1975-01-11
JPS503985A (en) * 1973-04-18 1975-01-16
JPS5027773A (en) * 1973-05-08 1975-03-22
JPS5041764A (en) * 1973-08-17 1975-04-16
JPS5060465A (en) * 1973-09-29 1975-05-24
JPS50157258A (en) * 1974-06-11 1975-12-19
JPS5116273A (en) * 1974-07-31 1976-02-09 Hitachi Ltd DATSUSHOSOCHINIOKERU NH3 CHUNYURYONO SEIGYOHO
JPS5123474A (en) * 1972-09-01 1976-02-25 Exxon Research Engineering Co
JPS5127865A (en) * 1974-09-02 1976-03-09 Asahi Chemical Ind
JPS5130590A (en) * 1974-09-10 1976-03-15 Chiyoda Chem Eng Construct Co
JPS5134867A (en) * 1974-09-19 1976-03-24 Asahi Chemical Ind
JPS51108666A (en) * 1975-03-20 1976-09-27 Asahi Glass Co Ltd
JPS5210856A (en) * 1975-07-16 1977-01-27 Kyushu Sekisui Kogyo Kk Process and apparatus for removal of nitrogen oxides
JPH0523595A (en) * 1991-07-23 1993-02-02 Colloid Res:Kk Nitrogen oxide decomposing catalyst and prodction thereof

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107272A (en) * 1973-05-21 1978-08-15 Hitachi, Ltd. Process for removing nitrogen oxides using ammonia as a reductant and sulfated metallic catalysts
US4085193A (en) * 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
JPS5118262A (en) * 1974-08-06 1976-02-13 Japan Gasoline Haigasuchuno chitsusosankabutsuno jokyohoho
US4031185A (en) * 1975-02-03 1977-06-21 Hitachi, Ltd. Process for making nitrogen oxides contained in flue gas harmless
US4104361A (en) * 1975-03-28 1978-08-01 Exxon Research & Engineering Co. Catalyst for reduction of nitrogen oxides and process for preparing the same
JPS5230285A (en) * 1975-09-03 1977-03-07 Seitetsu Kagaku Co Ltd Regeneration method of catalyst
JPS609201B2 (en) * 1975-09-29 1985-03-08 株式会社日立製作所 Exhaust heat recovery boiler equipment
NL7601371A (en) * 1976-02-11 1977-08-15 Shell Int Research PROCEDURE FOR THE SIMULTANEOUS REMOVAL OF NITROGEN OXIDES AND SULFUR OXIDES FROM A GAS FLOW.
US4251496A (en) * 1979-03-22 1981-02-17 Exxon Research & Engineering Co. Process for the removal of SOx and NOx from gaseous mixture containing the same
FR2466434A1 (en) * 1979-10-01 1981-04-10 Uop Inc Sepn. of sulphur and nitrogen oxide(s) from gas mixt. - by contacting mixt. and ammonia with sulphur oxide(s) acceptor of copper (oxide) dispersed on ruthenium and rhenium oxide(s) compsn.
JPS56150421A (en) * 1980-04-23 1981-11-20 Hitachi Ltd Cleaning of waste gas
DE3140657C2 (en) * 1981-10-13 1985-04-18 Alkem Gmbh, 6450 Hanau Process for the final conditioning of aqueous solution containing pollutants, in particular radioactive and / or toxic pollutants
DE3423744A1 (en) * 1984-06-28 1986-01-09 Bergwerksverband Gmbh, 4300 Essen Process for separating out SO2 and NOx
CN112569777A (en) * 2019-09-27 2021-03-30 富利康科技股份有限公司 Water-gas resistant denitration device and catalyst suitable for low-temperature environment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1438120A (en) * 1972-09-01 1976-06-03 Exxon Research Engineering Co Removal of nitrogen oxides from flue gas

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5123474A (en) * 1972-09-01 1976-02-25 Exxon Research Engineering Co
JPS5837010B2 (en) * 1972-09-01 1983-08-13 エクソン・リサ−チ・エンド・エンヂニアリング・コンパニ− Method for treating gas mixtures for the removal of nitrogen oxides
JPS5012393B2 (en) * 1973-03-13 1975-05-12
JPS49117360A (en) * 1973-03-13 1974-11-09
JPS49122473A (en) * 1973-03-26 1974-11-22
JPS5523086B2 (en) * 1973-03-26 1980-06-20
JPS49129689A (en) * 1973-04-18 1974-12-12
JPS5511892B2 (en) * 1973-04-18 1980-03-28
JPS503985A (en) * 1973-04-18 1975-01-16
JPS525433B2 (en) * 1973-04-18 1977-02-14
JPS5027773A (en) * 1973-05-08 1975-03-22
JPS5315705B2 (en) * 1973-05-12 1978-05-26
JPS502668A (en) * 1973-05-12 1975-01-11
JPS5041764A (en) * 1973-08-17 1975-04-16
JPS5060465A (en) * 1973-09-29 1975-05-24
JPS5621450B2 (en) * 1973-09-29 1981-05-19
JPS50157258A (en) * 1974-06-11 1975-12-19
JPS5515247B2 (en) * 1974-06-11 1980-04-22
JPS5116273A (en) * 1974-07-31 1976-02-09 Hitachi Ltd DATSUSHOSOCHINIOKERU NH3 CHUNYURYONO SEIGYOHO
JPS5238939B2 (en) * 1974-07-31 1977-10-01
JPS5127865A (en) * 1974-09-02 1976-03-09 Asahi Chemical Ind
JPS5130590A (en) * 1974-09-10 1976-03-15 Chiyoda Chem Eng Construct Co
JPS539598B2 (en) * 1974-09-10 1978-04-06
JPS5134867A (en) * 1974-09-19 1976-03-24 Asahi Chemical Ind
JPS542913B2 (en) * 1974-09-19 1979-02-15
JPS51108666A (en) * 1975-03-20 1976-09-27 Asahi Glass Co Ltd
JPS5210856A (en) * 1975-07-16 1977-01-27 Kyushu Sekisui Kogyo Kk Process and apparatus for removal of nitrogen oxides
JPH0523595A (en) * 1991-07-23 1993-02-02 Colloid Res:Kk Nitrogen oxide decomposing catalyst and prodction thereof

Also Published As

Publication number Publication date
GB1438120A (en) 1976-06-03
IT993099B (en) 1975-09-30
NL7312041A (en) 1974-03-05
JPS5837010B2 (en) 1983-08-13
FR2197628A1 (en) 1974-03-29
JPS5123474A (en) 1976-02-25
DE2341242A1 (en) 1974-03-21
CA1007830A (en) 1977-04-05
FR2197628B1 (en) 1980-03-28
JPS6059004B2 (en) 1985-12-23
BE804317A (en) 1974-02-28

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