FR2197628B1 - - Google Patents

Info

Publication number
FR2197628B1
FR2197628B1 FR7331621A FR7331621A FR2197628B1 FR 2197628 B1 FR2197628 B1 FR 2197628B1 FR 7331621 A FR7331621 A FR 7331621A FR 7331621 A FR7331621 A FR 7331621A FR 2197628 B1 FR2197628 B1 FR 2197628B1
Authority
FR
France
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
FR7331621A
Other languages
French (fr)
Other versions
FR2197628A1 (ro
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
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 Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of FR2197628A1 publication Critical patent/FR2197628A1/fr
Application granted granted Critical
Publication of FR2197628B1 publication Critical patent/FR2197628B1/fr
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)
  • Chimneys And Flues (AREA)
FR7331621A 1972-09-01 1973-08-31 Expired FR2197628B1 (ro)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2197628A1 FR2197628A1 (ro) 1974-03-29
FR2197628B1 true FR2197628B1 (ro) 1980-03-28

Family

ID=23095888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7331621A Expired FR2197628B1 (ro) 1972-09-01 1973-08-31

Country Status (8)

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

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1007830A (en) * 1972-09-01 1977-04-05 Albert B. Welty (Jr.) Removal of nitrogen oxides from flue gas
JPS5012393B2 (ro) * 1973-03-13 1975-05-12
JPS5523086B2 (ro) * 1973-03-26 1980-06-20
JPS5511892B2 (ro) * 1973-04-18 1980-03-28
JPS525433B2 (ro) * 1973-04-18 1977-02-14
GB1474184A (en) * 1973-05-08 1977-05-18 Shell Int Research Process for removing sulphur oxides and particulate matter from waste gases and apparatus therefor
JPS5315705B2 (ro) * 1973-05-12 1978-05-26
US4107272A (en) * 1973-05-21 1978-08-15 Hitachi, Ltd. Process for removing nitrogen oxides using ammonia as a reductant and sulfated metallic catalysts
JPS5041764A (ro) * 1973-08-17 1975-04-16
JPS5621450B2 (ro) * 1973-09-29 1981-05-19
US4085193A (en) * 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
JPS5515247B2 (ro) * 1974-06-11 1980-04-22
JPS5116273A (ja) * 1974-07-31 1976-02-09 Hitachi Ltd Datsushosochiniokeru nh3 chunyuryono seigyoho
JPS5118262A (en) * 1974-08-06 1976-02-13 Japan Gasoline Haigasuchuno chitsusosankabutsuno jokyohoho
JPS5127865A (ro) * 1974-09-02 1976-03-09 Asahi Chemical Ind
JPS539598B2 (ro) * 1974-09-10 1978-04-06
JPS542913B2 (ro) * 1974-09-19 1979-02-15
US4031185A (en) * 1975-02-03 1977-06-21 Hitachi, Ltd. Process for making nitrogen oxides contained in flue gas harmless
JPS51108666A (ro) * 1975-03-20 1976-09-27 Asahi Glass Co Ltd
US4104361A (en) * 1975-03-28 1978-08-01 Exxon Research & Engineering Co. Catalyst for reduction of nitrogen oxides and process for preparing the same
JPS5210856A (en) * 1975-07-16 1977-01-27 Kyushu Sekisui Kogyo Kk Process and apparatus for removal of nitrogen oxides
JPS5230285A (en) * 1975-09-03 1977-03-07 Seitetsu Kagaku Co Ltd Regeneration method of catalyst
JPS609201B2 (ja) * 1975-09-29 1985-03-08 株式会社日立製作所 排熱回収ボイラ装置
NL7601371A (nl) * 1976-02-11 1977-08-15 Shell Int Research Werkwijze voor het gelijktijdig verwijderen van stikstofoxyden en zwaveloxyden uit een gasstroom.
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 (fr) * 1979-10-01 1981-04-10 Uop Inc Procede de separation simultanee des oxydes de soufre et d'azote d'un melange gazeux
JPS56150421A (en) * 1980-04-23 1981-11-20 Hitachi Ltd Cleaning of waste gas
DE3140657C2 (de) * 1981-10-13 1985-04-18 Alkem Gmbh, 6450 Hanau Verfahren zum Endkonditionieren von Schadstoffe, insbesondere radioaktive und/oder toxische Schadstoffe, enthaltender wäßriger Lösung
DE3423744A1 (de) * 1984-06-28 1986-01-09 Bergwerksverband Gmbh, 4300 Essen Verfahren zur abscheidung von so(pfeil abwaerts)2(pfeil abwaerts) und no(pfeil abwaerts)x(pfeil abwaerts)
JPH0747130B2 (ja) * 1991-07-23 1995-05-24 株式会社コロイドリサーチ 窒素酸化物分解触媒の製造方法
CN112569777A (zh) * 2019-09-27 2021-03-30 富利康科技股份有限公司 适用于低温环境的抗水气脱硝装置及触媒

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1007830A (en) * 1972-09-01 1977-04-05 Albert B. Welty (Jr.) Removal of nitrogen oxides from flue gas

Also Published As

Publication number Publication date
JPS5123474A (ro) 1976-02-25
JPS5837010B2 (ja) 1983-08-13
IT993099B (it) 1975-09-30
DE2341242A1 (de) 1974-03-21
BE804317A (fr) 1974-02-28
CA1007830A (en) 1977-04-05
FR2197628A1 (ro) 1974-03-29
GB1438120A (en) 1976-06-03
NL7312041A (ro) 1974-03-05
JPS4975464A (ro) 1974-07-22
JPS6059004B2 (ja) 1985-12-23

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse