FR2294748A1 - Perfectionnements aux catalyseurs au vanadium a teneur d'oxyde de vanadium - Google Patents

Perfectionnements aux catalyseurs au vanadium a teneur d'oxyde de vanadium

Info

Publication number
FR2294748A1
FR2294748A1 FR7537406A FR7537406A FR2294748A1 FR 2294748 A1 FR2294748 A1 FR 2294748A1 FR 7537406 A FR7537406 A FR 7537406A FR 7537406 A FR7537406 A FR 7537406A FR 2294748 A1 FR2294748 A1 FR 2294748A1
Authority
FR
France
Prior art keywords
vanadium
oxide content
catalysts
vanadium oxide
vanadium catalysts
Prior art date
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.)
Withdrawn
Application number
FR7537406A
Other languages
English (en)
French (fr)
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.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
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 Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Publication of FR2294748A1 publication Critical patent/FR2294748A1/fr
Withdrawn legal-status Critical Current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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20—Vanadium, niobium or tantalum
    • B01J23/22—Vanadium
    • 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
    • B01D2255/20723—Vanadium
FR7537406A 1974-12-17 1975-12-08 Perfectionnements aux catalyseurs au vanadium a teneur d'oxyde de vanadium Withdrawn FR2294748A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS7400008649A CS179083B1 (en) 1974-12-17 1974-12-17 Mode of vanadium catalyzer production

Publications (1)

Publication Number Publication Date
FR2294748A1 true FR2294748A1 (fr) 1976-07-16

Family

ID=5437313

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7537406A Withdrawn FR2294748A1 (fr) 1974-12-17 1975-12-08 Perfectionnements aux catalyseurs au vanadium a teneur d'oxyde de vanadium

Country Status (13)

Country Link
JP (1) JPS5186091A (de)
AT (1) AT343610B (de)
CS (1) CS179083B1 (de)
DD (1) DD121917A1 (de)
DE (1) DE2555189A1 (de)
FI (1) FI753457A (de)
FR (1) FR2294748A1 (de)
GB (1) GB1513578A (de)
IT (1) IT1051083B (de)
NL (1) NL7514277A (de)
NO (1) NO753965L (de)
SE (1) SE7513234L (de)
SU (1) SU610559A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450784A1 (fr) * 1979-03-05 1980-10-03 Rhone Poulenc Ind Catalyseur d'elimination des oxydes d'azote contenus dans un courant gazeux
US4547487A (en) * 1983-05-19 1985-10-15 Gulf Research & Development Company Process for preparing catalysts
US4518710A (en) * 1984-01-25 1985-05-21 Uop Inc. Catalyst for the reduction of nitrogen oxides in gaseous mixtures and method of making the catalyst
DE3674692D1 (de) * 1985-07-29 1990-11-08 Eka Nobel Ab Katalysator und verfahren zur entfernung von stickstoffoxyden aus abgasen.
SE459903B (sv) * 1987-03-20 1989-08-21 Eka Nobel Ab Saett att rena roekgaser fraan kvaeveoxider

Also Published As

Publication number Publication date
NL7514277A (nl) 1976-06-21
ATA945575A (de) 1977-10-15
SU610559A1 (ru) 1978-06-15
SE7513234L (sv) 1976-06-18
NO753965L (de) 1976-06-18
IT1051083B (it) 1981-04-21
GB1513578A (en) 1978-06-07
DD121917A1 (de) 1976-09-05
DE2555189A1 (de) 1976-07-01
FI753457A (de) 1976-06-18
JPS5186091A (de) 1976-07-28
AT343610B (de) 1978-06-12
CS179083B1 (en) 1977-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse