GB371236A - Improvements in or relating to the manufacture of alumina and compounds thereof - Google Patents

Improvements in or relating to the manufacture of alumina and compounds thereof

Info

Publication number
GB371236A
GB371236A GB20455/31A GB2045531A GB371236A GB 371236 A GB371236 A GB 371236A GB 20455/31 A GB20455/31 A GB 20455/31A GB 2045531 A GB2045531 A GB 2045531A GB 371236 A GB371236 A GB 371236A
Authority
GB
United Kingdom
Prior art keywords
sulphurous acid
precipitate
silica
alumina
solution
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
GB20455/31A
Other languages
English (en)
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.)
Alterra AG
Original Assignee
Alterra 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 Alterra AG filed Critical Alterra AG
Publication of GB371236A publication Critical patent/GB371236A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/20Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
    • C01F7/28Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with sulfurous acid
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/46Purification of aluminium oxide, aluminium hydroxide or aluminates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Silicon Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
GB20455/31A 1930-07-26 1931-07-16 Improvements in or relating to the manufacture of alumina and compounds thereof Expired GB371236A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT133502T 1930-07-26

Publications (1)

Publication Number Publication Date
GB371236A true GB371236A (en) 1932-04-21

Family

ID=3637861

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2289/31A Expired GB371307A (en) 1930-07-26 1931-07-16 Process for separating aluminium hydroxide from silicic acid
GB20455/31A Expired GB371236A (en) 1930-07-26 1931-07-16 Improvements in or relating to the manufacture of alumina and compounds thereof

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2289/31A Expired GB371307A (en) 1930-07-26 1931-07-16 Process for separating aluminium hydroxide from silicic acid

Country Status (5)

Country Link
AT (1) AT133502B (https=)
BE (1) BE381559A (https=)
CH (1) CH156430A (https=)
DE (1) DE554571C (https=)
GB (2) GB371307A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767605C (de) * 1936-11-29 1952-12-08 Goldschmidt Ag Th Gewinnung von Tonerde aus basischem Aluminiumsulfit

Also Published As

Publication number Publication date
DE554571C (de) 1932-07-13
GB371307A (en) 1932-04-21
BE381559A (https=)
CH156430A (de) 1932-08-15
AT133502B (de) 1933-05-26

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