FR900374A - Procédé d'extraction de l'alumine - Google Patents

Procédé d'extraction de l'alumine

Info

Publication number
FR900374A
FR900374A FR900374DA FR900374A FR 900374 A FR900374 A FR 900374A FR 900374D A FR900374D A FR 900374DA FR 900374 A FR900374 A FR 900374A
Authority
FR
France
Prior art keywords
extraction process
alumina extraction
alumina
extraction
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
Other languages
English (en)
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.)
Dyckerhoff GmbH
Original Assignee
Dyckerhoff GmbH
Dyckerhoff Portland Zementwerke AG
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 Dyckerhoff GmbH, Dyckerhoff Portland Zementwerke AG filed Critical Dyckerhoff GmbH
Application granted granted Critical
Publication of FR900374A publication Critical patent/FR900374A/fr
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
    • 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
    • C01F7/16—Preparation of alkaline-earth metal aluminates or magnesium aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/164—Calcium aluminates

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR900374D 1942-11-07 1943-12-04 Procédé d'extraction de l'alumine Expired FR900374A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE900374X 1942-11-07

Publications (1)

Publication Number Publication Date
FR900374A true FR900374A (fr) 1945-06-27

Family

ID=6852500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR900374D Expired FR900374A (fr) 1942-11-07 1943-12-04 Procédé d'extraction de l'alumine

Country Status (2)

Country Link
BE (1) BE453166A (instruction)
FR (1) FR900374A (instruction)

Also Published As

Publication number Publication date
BE453166A (instruction)

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