JPS4959075A - - Google Patents

Info

Publication number
JPS4959075A
JPS4959075A JP48096564A JP9656473A JPS4959075A JP S4959075 A JPS4959075 A JP S4959075A JP 48096564 A JP48096564 A JP 48096564A JP 9656473 A JP9656473 A JP 9656473A JP S4959075 A JPS4959075 A JP S4959075A
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
JP48096564A
Other languages
Japanese (ja)
Other versions
JPS5641300B2 (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 JPS4959075A publication Critical patent/JPS4959075A/ja
Publication of JPS5641300B2 publication Critical patent/JPS5641300B2/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
    • 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
JP9656473A 1972-08-30 1973-08-28 Expired JPS5641300B2 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS4959075A true JPS4959075A (en) 1974-06-07
JPS5641300B2 JPS5641300B2 (en) 1981-09-28

Family

ID=23091610

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9656473A Expired JPS5641300B2 (en) 1972-08-30 1973-08-28

Country Status (4)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516169A (en) * 1974-07-05 1976-01-19 Hitachi Ltd
JPS5130590A (en) * 1974-09-10 1976-03-15 Chiyoda Chem Eng Construct Co
JPS5242489A (en) * 1976-05-20 1977-04-02 Toa Nenryo Kogyo Kk Nox-reduction catalyst and method of producing thereof
JP2011519722A (en) * 2008-05-07 2011-07-14 ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト Method for reducing nitrogen oxides in exhaust gases containing hydrocarbons using SCR catalysts based on molecular sieves

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104361A (en) * 1975-03-28 1978-08-01 Exxon Research & Engineering Co. Catalyst for reduction of nitrogen oxides and process for preparing the same
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 (en) * 1982-12-01 1984-06-07 Basf Ag, 6700 Ludwigshafen METHOD FOR THE REMOVAL OF DISTROXIDE OXIDE FROM HYDROGEN, NITROGEN MONOXIDE AND GASES CONTAINING DISTICKOXIDE
DE3328653A1 (en) * 1983-08-09 1985-02-28 Steuler Industriewerke GmbH, 5410 Höhr-Grenzhausen DEVICE FOR CARRYING OUT A METHOD FOR SEPARATING STICKOXYDES FROM EXHAUST GASES
GB2162830B (en) * 1984-08-10 1988-08-10 Babcock Hitachi Kk Ammonia reduction-denitration process and apparatus therefor
EP0205813A3 (en) * 1985-04-22 1988-09-21 Klaus Rennebeck Catalyst, especially for cleaning exhaust gas, process and apparatus for its manufacture
DE3674692D1 (en) * 1985-07-29 1990-11-08 Eka Nobel Ab CATALYST AND METHOD FOR REMOVING NITROGEN OXYDES FROM EXHAUST GASES.
DE3704030A1 (en) * 1987-02-10 1988-08-18 Ruhrgas Ag Process for separating off nitrogen oxides from exhaust gases by selective catalytic reduction
FR2613253B1 (en) * 1987-04-03 1989-06-09 Azote & Prod Chim CATALYTIC COMPOSITION FOR THE SELECTIVE REDUCTION OF NITROGEN OXIDES CONTAINED IN OXYGENOUS GAS EFFLUENTS AND METHOD FOR THE PURIFICATION OF SUCH EFFLUENTS
FR2622474B2 (en) * 1987-04-03 1990-01-26 Azote & Prod Chim CATALYTIC COMPOSITION FOR THE SELECTIVE REDUCTION OF NITROGEN OXIDES CONTAINED IN OXYGENOUS GAS EFFLUENTS AND METHOD FOR THE PURIFICATION OF SUCH EFFLUENTS
FR2625919B1 (en) * 1988-01-19 1994-02-11 Institut Francais Petrole PROCESS AND CATALYST FOR SELECTIVE REDUCTION OF NITROGEN OXIDES
JPH01299642A (en) * 1988-05-30 1989-12-04 Hitachi Zosen Corp Adsorbent for nitrogen oxide having low concentration
DE4300988C1 (en) * 1993-01-15 1994-04-07 Ppv Verwaltungs Ag Zuerich Oxygen-enriched air generator contg. zeolite bed giving pure prod. - with chamber in outlet system opened during adsorption and sealed during regeneration phase, e.g. for use in vehicle or aircraft
EP3473825A1 (en) 2008-06-27 2019-04-24 Umicore Ag & Co. Kg Method and device for cleaning diesel exhaust gases

Citations (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

Patent Citations (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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516169A (en) * 1974-07-05 1976-01-19 Hitachi Ltd
JPS5130590A (en) * 1974-09-10 1976-03-15 Chiyoda Chem Eng Construct Co
JPS539598B2 (en) * 1974-09-10 1978-04-06
JPS5242489A (en) * 1976-05-20 1977-04-02 Toa Nenryo Kogyo Kk Nox-reduction catalyst and method of producing thereof
JPS6116509B2 (en) * 1976-05-20 1986-04-30 Toa Nenryo Kogyo Kk
JP2011519722A (en) * 2008-05-07 2011-07-14 ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト Method for reducing nitrogen oxides in exhaust gases containing hydrocarbons using SCR catalysts based on molecular sieves

Also Published As

Publication number Publication date
FR2197815A1 (en) 1974-03-29
GB1393053A (en) 1975-05-07
FR2197815B1 (en) 1978-01-27
DE2341744A1 (en) 1974-03-07
JPS5641300B2 (en) 1981-09-28
DE2341744C2 (en) 1983-07-14

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