CH531990A - Process for the production of anhydrous chromium sesquioxide by reduction of a hexavalent chromium compound, and application of this process - Google Patents

Process for the production of anhydrous chromium sesquioxide by reduction of a hexavalent chromium compound, and application of this process

Info

Publication number
CH531990A
CH531990A CH637771A CH637771A CH531990A CH 531990 A CH531990 A CH 531990A CH 637771 A CH637771 A CH 637771A CH 637771 A CH637771 A CH 637771A CH 531990 A CH531990 A CH 531990A
Authority
CH
Switzerland
Prior art keywords
reduction
production
application
anhydrous
sesquioxide
Prior art date
Application number
CH637771A
Other languages
French (fr)
Inventor
Foucry Jean
Auriol Alain
Original Assignee
Ceraver
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 Ceraver filed Critical Ceraver
Publication of CH531990A publication Critical patent/CH531990A/en

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
    • 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
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • C01P2006/82—Compositional purity water content
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/90—Other properties not specified above

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Chemical Treatment Of Metals (AREA)
CH637771A 1970-05-06 1971-04-29 Process for the production of anhydrous chromium sesquioxide by reduction of a hexavalent chromium compound, and application of this process CH531990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7016592A FR2104656B1 (en) 1970-05-06 1970-05-06

Publications (1)

Publication Number Publication Date
CH531990A true CH531990A (en) 1972-12-31

Family

ID=9055184

Family Applications (1)

Application Number Title Priority Date Filing Date
CH637771A CH531990A (en) 1970-05-06 1971-04-29 Process for the production of anhydrous chromium sesquioxide by reduction of a hexavalent chromium compound, and application of this process

Country Status (11)

Country Link
US (1) US3749595A (en)
BE (1) BE766446A (en)
CA (1) CA932124A (en)
CH (1) CH531990A (en)
DE (1) DE2122299A1 (en)
ES (1) ES390901A1 (en)
FR (1) FR2104656B1 (en)
GB (1) GB1341607A (en)
IT (1) IT939715B (en)
LU (1) LU63108A1 (en)
NL (1) NL7106248A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959182A (en) * 1969-08-19 1976-05-25 Rohm And Haas Company Catalyst compositions and process for producing acrylic acid or methacrylic acid utilizing such catalyst
JPS5343918B2 (en) * 1973-02-02 1978-11-24
US4382104A (en) * 1979-05-21 1983-05-03 Kennecott Corporation Method for coating alumina containing refractory fibers with chromium oxide
US5380554A (en) * 1993-07-28 1995-01-10 The United States Of America As Represented By The Secretary Of The Navy Chromic oxide coatings by thermal decomposition of chromic acid anhydride (CrO3)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2294414A (en) * 1937-11-09 1942-09-01 Phillips Petroleum Co Catalyst
US2270165A (en) * 1937-12-29 1942-01-13 Shell Dev Catalyst
FR1084362A (en) * 1952-07-16 1955-01-19 Diamond Alkali Co Process for treating alkali metal chromates

Also Published As

Publication number Publication date
ES390901A1 (en) 1973-07-01
CA932124A (en) 1973-08-21
LU63108A1 (en) 1972-03-03
NL7106248A (en) 1971-11-09
US3749595A (en) 1973-07-31
GB1341607A (en) 1973-12-25
BE766446A (en) 1971-10-29
FR2104656A1 (en) 1972-04-21
DE2122299A1 (en) 1971-11-25
IT939715B (en) 1973-02-10
FR2104656B1 (en) 1973-11-23

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Legal Events

Date Code Title Description
PL Patent ceased