CS215886B1 - Pure alumina producing method - Google Patents

Pure alumina producing method Download PDF

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Publication number
CS215886B1
CS215886B1 CS788431A CS843178A CS215886B1 CS 215886 B1 CS215886 B1 CS 215886B1 CS 788431 A CS788431 A CS 788431A CS 843178 A CS843178 A CS 843178A CS 215886 B1 CS215886 B1 CS 215886B1
Authority
CS
Czechoslovakia
Prior art keywords
leaching
stage
hydrolysis
process according
temperature
Prior art date
Application number
CS788431A
Other languages
Czech (cs)
English (en)
Inventor
Siegfried Ziegenbalg
Gerhard Haake
Gunter Geiler
Original Assignee
Siegfried Ziegenbalg
Gerhard Haake
Gunter Geiler
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 Siegfried Ziegenbalg, Gerhard Haake, Gunter Geiler filed Critical Siegfried Ziegenbalg
Publication of CS215886B1 publication Critical patent/CS215886B1/cs

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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
    • C01F7/20—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
    • C01F7/26—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with sulfuric acids or sulfates

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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Processing Of Solid Wastes (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
CS788431A 1978-01-13 1978-12-15 Pure alumina producing method CS215886B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD78203210A DD140737A1 (de) 1978-01-13 1978-01-13 Verfahren zur herstellung von reinem aluminiumoxid

Publications (1)

Publication Number Publication Date
CS215886B1 true CS215886B1 (en) 1982-09-15

Family

ID=5511243

Family Applications (1)

Application Number Title Priority Date Filing Date
CS788431A CS215886B1 (en) 1978-01-13 1978-12-15 Pure alumina producing method

Country Status (6)

Country Link
US (1) US4244928A (de)
CS (1) CS215886B1 (de)
DD (1) DD140737A1 (de)
DE (1) DE2849555C2 (de)
HU (1) HU184166B (de)
SU (1) SU941291A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394368A (en) * 1981-12-04 1983-07-19 The United States Of America As Represented By The Secretary Of The Interior High temperature hydrolysis of aluminum sulfate solutions
US5997828A (en) * 1998-09-30 1999-12-07 Rendall; John S. Process for production of alumina from ore bodies containing aluminum
US6468483B2 (en) 2000-02-04 2002-10-22 Goldendale Aluminum Company Process for treating alumina-bearing ores to recover metal values therefrom
US6447738B1 (en) * 2000-08-24 2002-09-10 Solv-Ex Corporation Coproducing alumina, iron oxide, and titanium-dioxide from aluminum ore bodies and feedstocks

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476979A (en) * 1945-08-21 1949-07-26 Erwin C Hoeman Process for preparing alumina from clays and other silicates of aluminum
US2566143A (en) * 1947-03-18 1951-08-28 State College Of Washington Re Production of aluminum compounds
US2958580A (en) * 1955-05-17 1960-11-01 Harvey Machine Co Inc Process for the production of aluminum sulfate
ES251629A1 (es) * 1958-08-21 1960-03-16 Commw Scient Ind Res Org Un procedimiento para la producciën de aluminas
DE1179919B (de) * 1958-08-21 1964-10-22 Commw Scient Ind Res Org Verfahren zur Erzeugung von Aluminiumoxyd
GB883311A (en) * 1958-08-21 1961-11-29 Commw Scient Ind Res Org Improvements in and relating to the production of alumina
US3079228A (en) * 1960-01-12 1963-02-26 American Cyanamid Co Production of aluminum sulfate
FR1558347A (de) * 1967-10-25 1969-02-28

Also Published As

Publication number Publication date
US4244928A (en) 1981-01-13
DD140737A1 (de) 1980-03-26
SU941291A1 (ru) 1982-07-07
HU184166B (en) 1984-07-30
DE2849555C2 (de) 1987-01-29
DE2849555A1 (de) 1979-12-06

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