ES390901A1 - Procedimiento de fabricacion de sesquioxido de cromo. - Google Patents

Procedimiento de fabricacion de sesquioxido de cromo.

Info

Publication number
ES390901A1
ES390901A1 ES390901A ES390901A ES390901A1 ES 390901 A1 ES390901 A1 ES 390901A1 ES 390901 A ES390901 A ES 390901A ES 390901 A ES390901 A ES 390901A ES 390901 A1 ES390901 A1 ES 390901A1
Authority
ES
Spain
Prior art keywords
reducing
hexavalent chromium
sesquioxide
chromium compound
compound
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.)
Expired
Application number
ES390901A
Other languages
English (en)
Spanish (es)
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.)
Ceraver SA
Original Assignee
Ceraver SA
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 SA filed Critical Ceraver SA
Publication of ES390901A1 publication Critical patent/ES390901A1/es
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
    • 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)
ES390901A 1970-05-06 1971-05-05 Procedimiento de fabricacion de sesquioxido de cromo. Expired ES390901A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES390901A1 true ES390901A1 (es) 1973-07-01

Family

ID=9055184

Family Applications (1)

Application Number Title Priority Date Filing Date
ES390901A Expired ES390901A1 (es) 1970-05-06 1971-05-05 Procedimiento de fabricacion de sesquioxido de cromo.

Country Status (11)

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

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 (de) * 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
FR2104656A1 (de) 1972-04-21
US3749595A (en) 1973-07-31
IT939715B (it) 1973-02-10
NL7106248A (de) 1971-11-09
DE2122299A1 (de) 1971-11-25
BE766446A (fr) 1971-10-29
CA932124A (en) 1973-08-21
CH531990A (fr) 1972-12-31
LU63108A1 (de) 1972-03-03
FR2104656B1 (de) 1973-11-23
GB1341607A (en) 1973-12-25

Similar Documents

Publication Publication Date Title
ES279412A1 (es) Procedimiento para la fabricaciën de perfiles
ES393297A1 (es) Procedimiento para el intercambio entre un fluido a reca- lentar yno a vaporizar que circula en un recinto, y un agen-te liquido de recalentamiento de circulacion exterior.
ES327186A1 (es) Procedimiento para la preparacion de un compuesto solido de un metal de transicion que resulta de la reaccion de un compuesto de un metal de transicion con el hidroxicloruro de un metal divalente.
ES390697A1 (es) Procedimiento para el tratamiento termico de aceros de construccion no aleados y bajos en carbono para la mejora delas caracteristicas mecanicas del material.
CA962415A (en) Method for producing super alloy articles by hot isostatic pressing
ES389462A1 (es) Un metodo para la produccion de sulfato magnesico potasico sustancialmente anhidro.
ES390901A1 (es) Procedimiento de fabricacion de sesquioxido de cromo.
ES406299A1 (es) Procedimiento y aparato para la fabricacion de rodamientos para esfuerzos moderados.
ES391867A1 (es) Metodo y su correspondiente instalacion para encorvar una pieza en forma de hoja.
ES250886A1 (es) Procedimiento de fabricaciën de productos refractarios
ES283295A1 (es) Procedimiento para preparar 1,4-bis-(ciclopentadienil)-buteno-2-dimero
FR2104964A1 (en) Reduction of cooling of continuous castings - in secondary cooling zo
ES328262A1 (es) Procedimiento para el tratamiento de metales.
ES386098A1 (es) Un metodo para producir instrumentos de corte.
ES297641A1 (es) Procedimiento para el tratamiento de la superficie de un metal en masa
ES391580A1 (es) Procedimiento de recuperacion de calor residual procedente de gases de elaboracion.
ES417411A1 (es) Un metodo de deformar plasticamente un material de acero a una temperatura inferior a 500 grados c.
ES306848A1 (es) Un metodo de producir un 3-ceto-4,6-bisdehidro 9 beta,10 alfa-esteroide.
ES302371A1 (es) Procedimiento para la fabricacion de vidrio plano.
ES294357A1 (es) Procedimiento para la obtención de nuevos nonapepturos
ES364197A1 (es) Procedimiento para la obtencion de metales por reduccion desus halogenuros.
ES285440A2 (es) Procedimiento de obtenciën de un material laminar sustitutivo del cuero
ES376825A1 (es) Un procedimiento para metalizar las superficies de materia-les sinteticos.
ES333743A1 (es) Procedimiento para preparar una composicion cristalina a base de ticl3 violeta.
ES219815A1 (es) MÉTODO DE PRODUCCIoN DE ATMoSFERAS PARA LA CEMENTACION GASEOSA DE ALEACIONES FERROSAS