GB895446A - Process for making alumina - Google Patents

Process for making alumina

Info

Publication number
GB895446A
GB895446A GB28626/58A GB2862658A GB895446A GB 895446 A GB895446 A GB 895446A GB 28626/58 A GB28626/58 A GB 28626/58A GB 2862658 A GB2862658 A GB 2862658A GB 895446 A GB895446 A GB 895446A
Authority
GB
United Kingdom
Prior art keywords
alumina
bath
reduction
carbon
globules
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
GB28626/58A
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.)
Pechiney SA
Original Assignee
Pechiney SA
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 Pechiney SA filed Critical Pechiney SA
Publication of GB895446A publication Critical patent/GB895446A/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
    • C01F7/38—Preparation of aluminium oxide by thermal reduction of aluminous minerals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/005—Electro-mechanical devices, e.g. switched
    • 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
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Thermal Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
GB28626/58A 1957-09-13 1958-09-05 Process for making alumina Expired GB895446A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR895446X 1957-09-13
FR895447X 1958-05-10

Publications (1)

Publication Number Publication Date
GB895446A true GB895446A (en) 1962-05-02

Family

ID=31979958

Family Applications (2)

Application Number Title Priority Date Filing Date
GB28626/58A Expired GB895446A (en) 1957-09-13 1958-09-05 Process for making alumina
GB2534/62A Expired GB895447A (en) 1957-09-13 1958-09-05 Improvements in or relating to the purification of alumina

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2534/62A Expired GB895447A (en) 1957-09-13 1958-09-05 Improvements in or relating to the purification of alumina

Country Status (2)

Country Link
GB (2) GB895446A (cg-RX-API-DMAC7.html)
NL (3) NL285134A (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
GB895447A (en) 1962-05-02
NL285134A (cg-RX-API-DMAC7.html)
NL231256A (cg-RX-API-DMAC7.html)
NL113927C (cg-RX-API-DMAC7.html)

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