FR1506516A - Improvements in processes for the extraction of alumina from aluminous ores - Google Patents

Improvements in processes for the extraction of alumina from aluminous ores

Info

Publication number
FR1506516A
FR1506516A FR82930A FR82930A FR1506516A FR 1506516 A FR1506516 A FR 1506516A FR 82930 A FR82930 A FR 82930A FR 82930 A FR82930 A FR 82930A FR 1506516 A FR1506516 A FR 1506516A
Authority
FR
France
Prior art keywords
alumina
extraction
processes
aluminous ores
aluminous
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
FR82930A
Other languages
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.)
Reynolds Metals Co
Original Assignee
Reynolds Metals Co
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 Reynolds Metals Co filed Critical Reynolds Metals Co
Priority to FR82930A priority Critical patent/FR1506516A/en
Application granted granted Critical
Publication of FR1506516A publication Critical patent/FR1506516A/en
Expired 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
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C01F7/0613—Pretreatment of the minerals, e.g. grinding

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
FR82930A 1966-11-08 1966-11-08 Improvements in processes for the extraction of alumina from aluminous ores Expired FR1506516A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR82930A FR1506516A (en) 1966-11-08 1966-11-08 Improvements in processes for the extraction of alumina from aluminous ores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR82930A FR1506516A (en) 1966-11-08 1966-11-08 Improvements in processes for the extraction of alumina from aluminous ores

Publications (1)

Publication Number Publication Date
FR1506516A true FR1506516A (en) 1967-12-22

Family

ID=8620664

Family Applications (1)

Application Number Title Priority Date Filing Date
FR82930A Expired FR1506516A (en) 1966-11-08 1966-11-08 Improvements in processes for the extraction of alumina from aluminous ores

Country Status (1)

Country Link
FR (1) FR1506516A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2581053A1 (en) * 1985-04-30 1986-10-31 Pechiney Aluminium PRODUCTION OF ALUMINA FROM LOW REACTIVE SILICA GIBBSITE BAUXITE
EP0389061A2 (en) * 1989-03-21 1990-09-26 Shell Internationale Researchmaatschappij B.V. Process for the production of aluminium hydroxide from bauxite
US5653947A (en) * 1995-03-31 1997-08-05 Aluminium Pechiney Method of treating alumina trihydrate containing bauxite of low reactive silica content to form supersaturated sodium aluminate liquor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2581053A1 (en) * 1985-04-30 1986-10-31 Pechiney Aluminium PRODUCTION OF ALUMINA FROM LOW REACTIVE SILICA GIBBSITE BAUXITE
EP0203873A1 (en) * 1985-04-30 1986-12-03 Aluminium Pechiney Production of alumina from gibbsite containing bauxite with a low reactive silica content
EP0389061A2 (en) * 1989-03-21 1990-09-26 Shell Internationale Researchmaatschappij B.V. Process for the production of aluminium hydroxide from bauxite
EP0389061A3 (en) * 1989-03-21 1992-03-18 Shell Internationale Researchmaatschappij B.V. Process for the production of aluminium hydroxide from bauxite
US5653947A (en) * 1995-03-31 1997-08-05 Aluminium Pechiney Method of treating alumina trihydrate containing bauxite of low reactive silica content to form supersaturated sodium aluminate liquor

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