FR2197815B1 - - Google Patents

Info

Publication number
FR2197815B1
FR2197815B1 FR7331280A FR7331280A FR2197815B1 FR 2197815 B1 FR2197815 B1 FR 2197815B1 FR 7331280 A FR7331280 A FR 7331280A FR 7331280 A FR7331280 A FR 7331280A FR 2197815 B1 FR2197815 B1 FR 2197815B1
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
FR7331280A
Other languages
French (fr)
Other versions
FR2197815A1 (enrdf_load_stackoverflow
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.)
US Atomic Energy Commission (AEC)
Original Assignee
US Atomic Energy Commission (AEC)
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 US Atomic Energy Commission (AEC) filed Critical US Atomic Energy Commission (AEC)
Publication of FR2197815A1 publication Critical patent/FR2197815A1/fr
Application granted granted Critical
Publication of FR2197815B1 publication Critical patent/FR2197815B1/fr
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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • 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
    • B01D53/8628—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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/082—X-type faujasite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/02—Preparation of nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR7331280A 1972-08-30 1973-08-29 Expired FR2197815B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28481072A 1972-08-30 1972-08-30

Publications (2)

Publication Number Publication Date
FR2197815A1 FR2197815A1 (enrdf_load_stackoverflow) 1974-03-29
FR2197815B1 true FR2197815B1 (enrdf_load_stackoverflow) 1978-01-27

Family

ID=23091610

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7331280A Expired FR2197815B1 (enrdf_load_stackoverflow) 1972-08-30 1973-08-29

Country Status (4)

Country Link
JP (1) JPS5641300B2 (enrdf_load_stackoverflow)
DE (1) DE2341744C2 (enrdf_load_stackoverflow)
FR (1) FR2197815B1 (enrdf_load_stackoverflow)
GB (1) GB1393053A (enrdf_load_stackoverflow)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516169A (enrdf_load_stackoverflow) * 1974-07-05 1976-01-19 Hitachi Ltd
JPS539598B2 (enrdf_load_stackoverflow) * 1974-09-10 1978-04-06
US4104361A (en) * 1975-03-28 1978-08-01 Exxon Research & Engineering Co. Catalyst for reduction of nitrogen oxides and process for preparing the same
JPS5242489A (en) * 1976-05-20 1977-04-02 Toa Nenryo Kogyo Kk Nox-reduction catalyst and method of producing thereof
GB1586530A (en) * 1977-05-31 1981-03-18 Caterpillar Tractor Co Two-stage catalysts of engine exhaust
GB2039863B (en) * 1979-01-12 1982-11-24 Norton Co Catalytic reduction of oxides of nitrogen by ammonia in presence of clinoptilolite
DE3244370A1 (de) * 1982-12-01 1984-06-07 Basf Ag, 6700 Ludwigshafen Verfahren zur entfernung von distickstoffoxid aus wasserstoff, stickstoffmonoxid und distickstoffoxid enthaltenden gasen
DE3328653A1 (de) * 1983-08-09 1985-02-28 Steuler Industriewerke GmbH, 5410 Höhr-Grenzhausen Vorrichtung zur durchfuehrung eines verfahrens zur ausscheidung von stickoxyden aus abgasen
GB2162830B (en) * 1984-08-10 1988-08-10 Babcock Hitachi Kk Ammonia reduction-denitration process and apparatus therefor
EP0205813A3 (de) * 1985-04-22 1988-09-21 Klaus Rennebeck Katalysator, insbesondere für die Abgasreinigung, Verfahren und Vorrichtung zu seiner Herstellung
EP0214942B1 (en) * 1985-07-29 1990-10-03 Eka Nobel Aktiebolag Catalyst and method for purifying exhaust gases from nitrogen oxides
DE3704030A1 (de) * 1987-02-10 1988-08-18 Ruhrgas Ag Verfahren zum abscheiden von stickstoffoxiden aus abgasen durch selektive katalytische reduktion
FR2622474B2 (fr) * 1987-04-03 1990-01-26 Azote & Prod Chim Composition catalytique de reduction selective des oxydes d'azote contenus dans des effluents gazeux oxygenes et procede d'epuration desdits effluents
FR2613253B1 (fr) * 1987-04-03 1989-06-09 Azote & Prod Chim Composition catalytique de reduction selective des oxydes d'azote contenus dans des effluents gazeux oxygenes et procede d'epuration desdits effluents
FR2625919B1 (fr) * 1988-01-19 1994-02-11 Institut Francais Petrole Procede et catalyseur pour la reduction selective des oxydes d'azote
JPH01299642A (ja) * 1988-05-30 1989-12-04 Hitachi Zosen Corp 低濃度窒素酸化物の吸着除去剤
DE4300988C1 (de) * 1993-01-15 1994-04-07 Ppv Verwaltungs Ag Zuerich Vorrichtung zur Sauerstoffanreicherung von Luft
DE202009019007U1 (de) * 2008-05-07 2015-04-22 Umicore Ag & Co. Kg SCR-Katalysator zur Verminderung von Stickoxiden in Kohlenwasserstoff-haltigen Abgasen
EP3473825A1 (de) 2008-06-27 2019-04-24 Umicore Ag & Co. Kg Verfahren und vorrichtung zur reinigung von dieselabgasen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015369A (en) * 1960-05-23 1962-01-02 Socony Mobil Oil Co Inc Removal of nitrogen oxides from combustion gases

Also Published As

Publication number Publication date
GB1393053A (en) 1975-05-07
FR2197815A1 (enrdf_load_stackoverflow) 1974-03-29
JPS4959075A (enrdf_load_stackoverflow) 1974-06-07
DE2341744A1 (de) 1974-03-07
JPS5641300B2 (enrdf_load_stackoverflow) 1981-09-28
DE2341744C2 (de) 1983-07-14

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