RO70968A - Procede pour la reduction et le remplacement des pertes de hydroxyde de sodium, a la preparation de l'alumine par procede bayer - Google Patents

Procede pour la reduction et le remplacement des pertes de hydroxyde de sodium, a la preparation de l'alumine par procede bayer

Info

Publication number
RO70968A
RO70968A RO7273348A RO7334872A RO70968A RO 70968 A RO70968 A RO 70968A RO 7273348 A RO7273348 A RO 7273348A RO 7334872 A RO7334872 A RO 7334872A RO 70968 A RO70968 A RO 70968A
Authority
RO
Romania
Prior art keywords
lafabrication
aluminum
reducing
sodium hydroxide
replacing sodium
Prior art date
Application number
RO7273348A
Other languages
English (en)
Romanian (ro)
Inventor
Ivan Feher
Maria O Kelemen
Zoltan Osvald
Karoly Solymar
Istvan Voros
Janos Zambo
Original Assignee
Aluminiumipari Tervezo Vallalat-Aluterv-Si Femipari Kutato Intezet,Hu
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 Aluminiumipari Tervezo Vallalat-Aluterv-Si Femipari Kutato Intezet,Hu filed Critical Aluminiumipari Tervezo Vallalat-Aluterv-Si Femipari Kutato Intezet,Hu
Publication of RO70968A publication Critical patent/RO70968A/fr

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
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C01F7/062—Digestion
    • C01F7/0633—Digestion characterised by the use of additives

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nutrition Science (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)
  • Treatment Of Sludge (AREA)
RO7273348A 1971-12-30 1972-12-28 Procede pour la reduction et le remplacement des pertes de hydroxyde de sodium, a la preparation de l'alumine par procede bayer RO70968A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HUAL019849 1971-12-30
HUAL008074 1972-05-20

Publications (1)

Publication Number Publication Date
RO70968A true RO70968A (fr) 1981-08-17

Family

ID=26318350

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7273348A RO70968A (fr) 1971-12-30 1972-12-28 Procede pour la reduction et le remplacement des pertes de hydroxyde de sodium, a la preparation de l'alumine par procede bayer

Country Status (7)

Country Link
DE (1) DE2262936A1 (fr)
FR (1) FR2166188B1 (fr)
GB (1) GB1436261A (fr)
IN (1) IN139739B (fr)
IT (1) IT976338B (fr)
RO (1) RO70968A (fr)
SU (1) SU450394A3 (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE678788C (de) * 1936-05-12 1941-04-16 Rudolf Scholder Dr Aufschliessen von Bauxit und anderen tonerdehaltigen Stoffen durch Laugung

Also Published As

Publication number Publication date
IN139739B (fr) 1976-07-24
IT976338B (it) 1974-08-20
FR2166188B1 (fr) 1975-11-07
DE2262936A1 (de) 1973-07-12
FR2166188A1 (fr) 1973-08-10
GB1436261A (en) 1976-05-19
SU450394A3 (ru) 1974-11-15

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