GB642943A - Improvements in or relating to the production of alumina - Google Patents

Improvements in or relating to the production of alumina

Info

Publication number
GB642943A
GB642943A GB136/47A GB13647A GB642943A GB 642943 A GB642943 A GB 642943A GB 136/47 A GB136/47 A GB 136/47A GB 13647 A GB13647 A GB 13647A GB 642943 A GB642943 A GB 642943A
Authority
GB
United Kingdom
Prior art keywords
alumina
carbon dioxide
over
sodium carbonate
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
GB136/47A
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.)
Alcan Research and Development Ltd
Original Assignee
Aluminium Laboratories Ltd
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 Aluminium Laboratories Ltd filed Critical Aluminium Laboratories Ltd
Publication of GB642943A publication Critical patent/GB642943A/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
    • C01F7/04Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/08Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals with sodium carbonate, e.g. sinter processes
    • 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
    • C01F7/04Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/12Alkali metal aluminates from alkaline-earth metal 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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
GB136/47A 1946-01-31 1947-01-02 Improvements in or relating to the production of alumina Expired GB642943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA642943X 1946-01-31

Publications (1)

Publication Number Publication Date
GB642943A true GB642943A (en) 1950-09-13

Family

ID=4172042

Family Applications (1)

Application Number Title Priority Date Filing Date
GB136/47A Expired GB642943A (en) 1946-01-31 1947-01-02 Improvements in or relating to the production of alumina

Country Status (3)

Country Link
BE (1) BE470521A (enrdf_load_stackoverflow)
FR (1) FR939506A (enrdf_load_stackoverflow)
GB (1) GB642943A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE470521A (enrdf_load_stackoverflow)
FR939506A (fr) 1948-11-17

Similar Documents

Publication Publication Date Title
GB238663A (en) Improvements relating to extraction of metals from their compounds
GB1466225A (en) Redox treatment of alumite ore
GB981243A (en) Recovery of cryolite
GB745601A (en) Improvements in or relating to process for treating caustic aluminate liquor
GB252399A (en) Process for the manufacture of aluminium oxide
GB642943A (en) Improvements in or relating to the production of alumina
US3085858A (en) Recovery of magnesium compounds from ores
GB1387910A (en) Method of preparing an iron oxide pigment base
GB404028A (en) Improvements in or relating to a method of producing sodium aluminate solutions
GB1038382A (en) Process of treating waste gases containing gaseous sulfur dioxide
GB573813A (en) Improvements in production of chromium compounds
GB637578A (en) Methods for extracting alumina from raw anhydrous calcium aluminates
GB879449A (en) Improvements in production of alumina
GB632079A (en) Improvement in the extraction of alumina from raw calcium aluminates
GB761828A (en) Method of producing cryolite
GB599073A (en) Improvements in sulphur recovery
GB785979A (en) Improvements in or relating to the production of lithium carbonate
GB797502A (en) An electrolytic process for purifying a solution of alkali aluminate with simultaneous recovery of metallic gallium and vanadium compounds
GB799243A (en) Process for the production of alumina of high purity
GB666628A (en) Production of calcium chromate
GB414497A (en) Improvements in or relating to the manufacture of caustic alkalis
GB671356A (en) Improvements in or relating to the production of solutions containing dissolved gallium and to the production of gallium therefrom
US2403940A (en) Production of magnesium thiosulphate and magnesium oxide from dolomite
GB622560A (en) Process for extracting gallium oxide from aluminous substances
GB462321A (en) Improvements in or relating to oxygen evolving compositions for use, for example, in conditioning air for respiration