BE766446A - Procede de fabrication de sesquioxyde de chrome anhydre par reduction d'un compose hexavalent du chrome - Google Patents

Procede de fabrication de sesquioxyde de chrome anhydre par reduction d'un compose hexavalent du chrome

Info

Publication number
BE766446A
BE766446A BE766446A BE766446A BE766446A BE 766446 A BE766446 A BE 766446A BE 766446 A BE766446 A BE 766446A BE 766446 A BE766446 A BE 766446A BE 766446 A BE766446 A BE 766446A
Authority
BE
Belgium
Prior art keywords
chrome
reduction
sesquioxide
compound
hexavalent
Prior art date
Application number
BE766446A
Other languages
English (en)
French (fr)
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 BE766446A publication Critical patent/BE766446A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts 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
    • B01J23/24Chromium, molybdenum or tungsten
    • B01J23/26Chromium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00Compounds of chromium
    • C01G37/02Oxides or hydrates thereof
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity
    • C01P2006/82Compositional purity water content
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/90Other 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)
BE766446A 1970-05-06 1971-04-29 Procede de fabrication de sesquioxyde de chrome anhydre par reduction d'un compose hexavalent du chrome BE766446A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE766446A true BE766446A (fr) 1971-10-29

Family

ID=9055184

Family Applications (1)

Application Number Title Priority Date Filing Date
BE766446A BE766446A (fr) 1970-05-06 1971-04-29 Procede de fabrication de sesquioxyde de chrome anhydre par reduction d'un compose hexavalent du chrome

Country Status (11)

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

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 (xx) * 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 (fr) * 1952-07-16 1955-01-19 Diamond Alkali Co Procédé de traitement des chromates de métaux alcalins

Also Published As

Publication number Publication date
CA932124A (en) 1973-08-21
DE2122299A1 (de) 1971-11-25
CH531990A (fr) 1972-12-31
FR2104656B1 (xx) 1973-11-23
ES390901A1 (es) 1973-07-01
IT939715B (it) 1973-02-10
FR2104656A1 (xx) 1972-04-21
GB1341607A (en) 1973-12-25
US3749595A (en) 1973-07-31
NL7106248A (xx) 1971-11-09
LU63108A1 (xx) 1972-03-03

Similar Documents

Publication Publication Date Title
BE775106A (fr) Procede de fabrication d'esters de prostaglandine
BE776237A (fr) Procede de production d'une fermeture a curseur
FR2274990A1 (fr) Procede de fabrication de cassettes pour magnetophones et cassettes obtenues par ce procede
CH536164A (fr) Procédé de fabrication d'objets en tôle renforcée
IT980185B (it) Procedimento per la preparazione di solfato di cromo a partire da soluzioni residue contenenti composti del cromo esavalente
BE775671A (fr) Procede de faconnage de pieces de forme compliquee par extrusion d'une billette composite
CH525624A (fr) Procédé de fabrication d'une composition aromatisante
BE795973A (fr) Procede de fabrication d'un vilebrequin et vilebrequin obtenu par ce procede
BE817395A (fr) Procede pour la fabrication de radiateurs a faisceau tubulaire et radiateurs obtenus par ce procede
FR2082564A5 (fr) Procédé de fabrication d'une anode de magnétron
BE766446A (fr) Procede de fabrication de sesquioxyde de chrome anhydre par reduction d'un compose hexavalent du chrome
BE832129A (fr) Procede de fabrication de phenyl-methylcarbinol par hydrogenation de l'acetophenone
FR2181016B1 (fr) Procede de fabrication d'un groupe de condensateurs et groupe de condensateurs obtenu par ce procede.
BE747196A (fr) Procede de production d'un metal pre-enduit
BE773708A (fr) Procede de fabrication d'une plaque de gypse
FR2277809A1 (fr) Procede de fabrication d'un compose dicetonique
BE785133R (fr) Procede de fabrication de carbonate de sodium monohydrate a partir d'une lessive de soude formee par le procede a
CH484847A (fr) Procédé de fabrication d'un béton obtenu par ce procédé
BE815806A (fr) Procede pour la fabrication de poussiere de zinc par electrolyse
FR2279697A1 (fr) Procede de dedoublement d'un melange racemique d'un compose oxo
FR2274135A1 (fr) Procede pour la fabrication d'un tube cathodique
BE803679A (fr) Procede de fabrication d'un compost
BE772221A (fr) Procede pour la fabrication d'un materiau fritte refractaire
BE774826A (fr) Procede de fabrication de supports pour magnetogrammes resistant a l'abrasion
BE835073A (fr) Procede de traitement d'un compose de metal de transition