FR939506A - Improvements in alumina production - Google Patents

Improvements in alumina production

Info

Publication number
FR939506A
FR939506A FR939506DA FR939506A FR 939506 A FR939506 A FR 939506A FR 939506D A FR939506D A FR 939506DA FR 939506 A FR939506 A FR 939506A
Authority
FR
France
Prior art keywords
alumina production
alumina
production
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)
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
Application granted granted Critical
Publication of FR939506A publication Critical patent/FR939506A/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
    • C01F7/08—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals with sodium carbonate, e.g. sinter processes
    • 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
    • C01F7/12—Alkali 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)
FR939506D 1946-01-31 1947-01-03 Improvements in alumina production Expired FR939506A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR939506A true FR939506A (en) 1948-11-17

Family

ID=4172042

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939506D Expired FR939506A (en) 1946-01-31 1947-01-03 Improvements in alumina production

Country Status (3)

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

Also Published As

Publication number Publication date
GB642943A (en) 1950-09-13
BE470521A (en)

Similar Documents

Publication Publication Date Title
FR1026568A (en) Alumina manufacture
FR944171A (en) Improvements in the production of interpolymers
FR939506A (en) Improvements in alumina production
FR924112A (en) Improvement in the manufacture of alumina by the bayer process
FR952778A (en) Electroplating improvements
FR952626A (en) Improvements in the production of normal lead dinitro-resorcinate
FR995530A (en) Improvement in the manufacture of alumina
FR935603A (en) Art
FR934255A (en) Improvements in roof construction
FR941770A (en) Improvements in printing
FR934807A (en) Improvements in the construction of mechanical switches
FR1007298A (en) Improvements in the production of sulfonamides
FR928937A (en) Improvement in the constitution of skis
FR942954A (en) Improvements in the production of symmetrical dichloromethyltetramethyldisiloxane
ES175284A1 (en) IMPROVEMENTS IN THE MANUFACTURE OF BRAGUEROS
ES172928A1 (en) IMPROVEMENTS IN THE MANUFACTURE OF ROMANES
ES175490A2 (en) IMPROVEMENTS IN THE OBJECT OF MAIN PATENT NUMBER 172026
ES176173A2 (en) IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 175354
FR925122A (en) Machines to run the economy
ES175659A1 (en) IMPROVEMENTS IN THE MANUFACTURE OF SHAVING MACHINES
ES175383A3 (en) IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF SULFIDE-MAGNESIUM RECTIFIERS
FR1018767A (en) Improvement in streptomycin production
ES174308A2 (en) IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NUMBER 172088
ES173910A2 (en) IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 164423
ES173270A2 (en) IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 161802