FR2295918B1 - - Google Patents

Info

Publication number
FR2295918B1
FR2295918B1 FR7442566A FR7442566A FR2295918B1 FR 2295918 B1 FR2295918 B1 FR 2295918B1 FR 7442566 A FR7442566 A FR 7442566A FR 7442566 A FR7442566 A FR 7442566A FR 2295918 B1 FR2295918 B1 FR 2295918B1
Authority
FR
France
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
FR7442566A
Other versions
FR2295918A1 (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.)
Howmet Aerospace Inc
Original Assignee
Aluminum Company of America
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 Aluminum Company of America filed Critical Aluminum Company of America
Publication of FR2295918A1 publication Critical patent/FR2295918A1/fr
Application granted granted Critical
Publication of FR2295918B1 publication Critical patent/FR2295918B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/141—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G15/00—Compounds of gallium, indium or thallium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR7442566A 1972-05-22 1974-12-23 Recuperation d'oxyde de gallium dans des solutions d'aluminate de sodium Granted FR2295918A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00255522A US3856920A (en) 1972-05-22 1972-05-22 Recovery of gallium oxide from solutions

Publications (2)

Publication Number Publication Date
FR2295918A1 FR2295918A1 (fr) 1976-07-23
FR2295918B1 true FR2295918B1 (fr) 1977-05-20

Family

ID=22968713

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7442566A Granted FR2295918A1 (fr) 1972-05-22 1974-12-23 Recuperation d'oxyde de gallium dans des solutions d'aluminate de sodium

Country Status (3)

Country Link
US (1) US3856920A (fr)
DE (1) DE2461304C2 (fr)
FR (1) FR2295918A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1943786A (en) * 1930-10-10 1934-01-16 Electrie Smelting & Alnminum C Process of separating alumina from alkali metal aluminate solutions
GB622560A (en) * 1946-12-30 1949-05-04 Cie De Produits Chemiques Et E Process for extracting gallium oxide from aluminous substances
US2574008A (en) * 1946-12-30 1951-11-06 Pechiney Prod Chimiques Sa Method of extracting gallium oxide from aluminous substances
US2582376A (en) * 1947-04-05 1952-01-15 Aluminum Co Of America Process of producing gallium
US2582377A (en) * 1947-04-11 1952-01-15 Aluminum Co Of America Recovery of gallium from alkali metal aluminate solutions
FR1525133A (fr) * 1967-02-17 1968-05-17 Pechiney Prod Chimiques Sa Procédé de fabrication industrielle de trihydrate d'alumine

Also Published As

Publication number Publication date
FR2295918A1 (fr) 1976-07-23
DE2461304A1 (de) 1976-07-01
US3856920A (en) 1974-12-24
DE2461304C2 (de) 1982-07-01

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Legal Events

Date Code Title Description
ST Notification of lapse