FR995530A - Improvement in the manufacture of alumina - Google Patents

Improvement in the manufacture of alumina

Info

Publication number
FR995530A
FR995530A FR995530DA FR995530A FR 995530 A FR995530 A FR 995530A FR 995530D A FR995530D A FR 995530DA FR 995530 A FR995530 A FR 995530A
Authority
FR
France
Prior art keywords
alumina
improvement
manufacture
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
French (fr)
Inventor
Andre Sable
Raymond Fabre
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.)
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Original Assignee
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
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 Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU filed Critical Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Application granted granted Critical
Publication of FR995530A publication Critical patent/FR995530A/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
    • C01F7/0646—Separation of the insoluble residue, e.g. of red mud
    • C01F7/0653—Separation of the insoluble residue, e.g. of red mud characterised by the flocculant added to the slurry

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
FR995530D 1945-03-20 1945-03-20 Improvement in the manufacture of alumina Expired FR995530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR995530T 1945-03-20

Publications (1)

Publication Number Publication Date
FR995530A true FR995530A (en) 1951-12-04

Family

ID=9557212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR995530D Expired FR995530A (en) 1945-03-20 1945-03-20 Improvement in the manufacture of alumina

Country Status (1)

Country Link
FR (1) FR995530A (en)

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