JPS5057946A - - Google Patents

Info

Publication number
JPS5057946A
JPS5057946A JP48081427A JP8142773A JPS5057946A JP S5057946 A JPS5057946 A JP S5057946A JP 48081427 A JP48081427 A JP 48081427A JP 8142773 A JP8142773 A JP 8142773A JP S5057946 A JPS5057946 A JP S5057946A
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.)
Pending
Application number
JP48081427A
Other languages
Japanese (ja)
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 JP48081427A priority Critical patent/JPS5057946A/ja
Priority to GB3086574A priority patent/GB1473883A/en
Priority to IT2513474A priority patent/IT1017134B/en
Priority to DE19742434416 priority patent/DE2434416C2/en
Priority to FR7424893A priority patent/FR2237678B1/fr
Publication of JPS5057946A publication Critical patent/JPS5057946A/ja
Pending 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
    • 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
    • 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
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2047—Magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • 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
    • B01D2255/20753—Nickel
    • 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
    • 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
    • B01D2255/20769—Molybdenum
    • 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
    • B01D2255/20776—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/30—Silica
JP48081427A 1973-07-17 1973-07-17 Pending JPS5057946A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP48081427A JPS5057946A (en) 1973-07-17 1973-07-17
GB3086574A GB1473883A (en) 1973-07-17 1974-07-11 Process for reducing nitrogen oxides
IT2513474A IT1017134B (en) 1973-07-17 1974-07-12 PROCESS FOR THE TREATMENT OF A GASEOUS MIXTURE CONTAINING NITROGEN BONES
DE19742434416 DE2434416C2 (en) 1973-07-17 1974-07-17 Process for reducing nitrogen oxides in exhaust gases
FR7424893A FR2237678B1 (en) 1973-07-17 1974-07-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48081427A JPS5057946A (en) 1973-07-17 1973-07-17

Publications (1)

Publication Number Publication Date
JPS5057946A true JPS5057946A (en) 1975-05-20

Family

ID=13746057

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48081427A Pending JPS5057946A (en) 1973-07-17 1973-07-17

Country Status (5)

Country Link
JP (1) JPS5057946A (en)
DE (1) DE2434416C2 (en)
FR (1) FR2237678B1 (en)
GB (1) GB1473883A (en)
IT (1) IT1017134B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5117173A (en) * 1974-08-01 1976-02-10 Japan Gasoline Haigasuchuno chitsusosankabutsukangenho
JPS52111482A (en) * 1976-03-15 1977-09-19 Hitachi Zosen Corp Flue gas denitration catalyst with high activity
JP2007175630A (en) * 2005-12-28 2007-07-12 Toyota Central Res & Dev Lab Inc Catalyst for deoxidizing nox selectively

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182745A (en) * 1974-08-06 1980-01-08 Jgc Corporation Catalyst for reducing nitrogen oxides in a waste gas and a process for catalytically reducing nitrogen oxides contained in a waste gas
JPS6128454A (en) * 1984-07-17 1986-02-08 シ−ビ−エムエム・インタ−ナシヨナル・リミタ−ダ Catalyst for removing nitrogen oxide in exhaust gas
JPS61101246A (en) * 1984-08-17 1986-05-20 ヒユールス・アクチエンゲゼルシヤフト Ortho-methylation method of phenols and catalyst for ortho-methylation
DE3502866A1 (en) * 1984-09-19 1986-03-20 Klaus Prof. Dr.rer.nat. 4430 Steinfurt Mangold Two-stage process and apparatus for purifying combustion gases
SE464688B (en) * 1989-02-27 1991-06-03 Eka Nobel Ab CATALYST FOR REDUCING NITROGEN OXIDES AND USING THEREOF
DE10001539B4 (en) * 2000-01-14 2006-01-19 Uhde Gmbh Process for the removal of NOx and N2O
GB2450484A (en) 2007-06-25 2008-12-31 Johnson Matthey Plc Non-Zeolite base metal catalyst
US8529853B2 (en) 2010-03-26 2013-09-10 Umicore Ag & Co. Kg ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts
US8017097B1 (en) 2010-03-26 2011-09-13 Umicore Ag & Co. Kg ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts
CN103877986B (en) * 2014-01-27 2016-01-20 济南大学 A kind of ferrotungsten composite oxides denitrating catalyst with sheet flower-like structure and preparation method thereof and application
CN105664912A (en) * 2015-12-31 2016-06-15 中国科学院生态环境研究中心 Cerium-tin-zirconium composite oxide catalyst, and preparation method and use thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279884A (en) * 1963-10-31 1966-10-18 Basf Ag Selective removal of oxides of nitrogen from gas mixtures containing oxygen
DE1259298B (en) * 1964-08-29 1968-01-25 Hamburger Gaswerke Gmbh Process for removing nitrogen oxides from gases by catalytic reduction thereof to nitrogen
DE1937552A1 (en) * 1969-07-24 1971-02-11 Basf Ag Process for the selective removal of nitrogen dioxide from gases
BE756151A (en) * 1969-09-16 1971-02-15 Johnson Matthey & Cy Ltd CATALYSIS IMPROVEMENTS
CA970348A (en) * 1970-08-07 1975-07-01 Snamprogetti S.P.A. Catalytic composition for the production of unsaturated nitriles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5117173A (en) * 1974-08-01 1976-02-10 Japan Gasoline Haigasuchuno chitsusosankabutsukangenho
JPS52111482A (en) * 1976-03-15 1977-09-19 Hitachi Zosen Corp Flue gas denitration catalyst with high activity
JP2007175630A (en) * 2005-12-28 2007-07-12 Toyota Central Res & Dev Lab Inc Catalyst for deoxidizing nox selectively

Also Published As

Publication number Publication date
IT1017134B (en) 1977-07-20
DE2434416C2 (en) 1984-09-13
FR2237678A1 (en) 1975-02-14
FR2237678B1 (en) 1982-01-29
GB1473883A (en) 1977-05-18
DE2434416A1 (en) 1975-02-13

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