OA02777A - Procédé perfectionné d'attaque de la bauxite en milieu alcalin. - Google Patents

Procédé perfectionné d'attaque de la bauxite en milieu alcalin.

Info

Publication number
OA02777A
OA02777A OA53225A OA53225A OA02777A OA 02777 A OA02777 A OA 02777A OA 53225 A OA53225 A OA 53225A OA 53225 A OA53225 A OA 53225A OA 02777 A OA02777 A OA 02777A
Authority
OA
OAPI
Prior art keywords
improved process
alkaline medium
bauxite
attacking
attacking bauxite
Prior art date
Application number
OA53225A
Other languages
English (en)
French (fr)
Original Assignee
Pechiney Prod Chimiques Sa
App Et Evaporateurs Kestner So
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 Prod Chimiques Sa, App Et Evaporateurs Kestner So filed Critical Pechiney Prod Chimiques Sa
Publication of OA02777A publication Critical patent/OA02777A/xx

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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Centrifugal Separators (AREA)
OA53225A 1967-03-20 1968-03-20 Procédé perfectionné d'attaque de la bauxite en milieu alcalin. OA02777A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR99394A FR1523303A (fr) 1967-03-20 1967-03-20 Procédé perfectionné d'attaque de la bauxite en milieu alcalin

Publications (1)

Publication Number Publication Date
OA02777A true OA02777A (fr) 1970-12-15

Family

ID=8627174

Family Applications (1)

Application Number Title Priority Date Filing Date
OA53225A OA02777A (fr) 1967-03-20 1968-03-20 Procédé perfectionné d'attaque de la bauxite en milieu alcalin.

Country Status (8)

Country Link
US (1) US3579295A (instruction)
BE (1) BE712350A (instruction)
ES (1) ES351741A1 (instruction)
FR (1) FR1523303A (instruction)
GB (1) GB1227022A (instruction)
NL (1) NL164532C (instruction)
NO (1) NO124249B (instruction)
OA (1) OA02777A (instruction)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868442A (en) * 1972-09-05 1975-02-25 Aluminum Co Of America Alumina extraction
JPS5319199A (en) * 1976-08-06 1978-02-22 Sumitomo Chem Co Ltd Extracting method for alumina from alumina-containing ore
HU182807B (en) * 1980-10-01 1984-03-28 Mta Mueszaki Kemiai Kutato Int Process for the continuous digestion and further treatment of the aluminium content of raw materials containing aluminium according to the bayer technology

Also Published As

Publication number Publication date
FR1523303A (fr) 1968-05-03
ES351741A1 (es) 1969-12-01
DE1667822B2 (de) 1973-07-12
BE712350A (instruction) 1968-09-18
GB1227022A (instruction) 1971-03-31
DE1667822A1 (de) 1972-04-27
NL164532B (nl) 1980-08-15
NL6803858A (instruction) 1968-09-23
NL164532C (nl) 1981-01-15
US3579295A (en) 1971-05-18
NO124249B (instruction) 1972-03-27

Similar Documents

Publication Publication Date Title
BE757476A (fr) Procede d'oxydeshydrogenation
NL149457B (nl) Doosvormige houder.
BE784293A (fr) Procede d'hydrodesulfuration.
IT995772B (it) Apparato di stiro testurizzazione
FR2004496A1 (fr) Procede d'impression-transfert
SU456406A3 (ru) Способ получени 1-(3,5-дигалоид4-оксифенил)-2-(1-арилокси-или-1 аралкилизопропиламино)-пропанола-1 или его солей
FR1511847A (fr) Un système d'adressage perfectionné
FR94682E (fr) Procédé de photoélectropolymérisation.
OA02777A (fr) Procédé perfectionné d'attaque de la bauxite en milieu alcalin.
IT942081B (it) Serbatoio di raccolta per schede meccanografiche
ZA702577B (en) 2-(5-nitro-2-imidazolyl)-benzimidazoles
NL160497B (nl) Walsgeleider.
DK128414B (da) Antikonceptionelt virksomme substituerede alkensyrer samt salte, estere og amider deraf.
SU419786A1 (ru) Ультразвуковая линза
IT940808B (it) Contenitore distributore in parti colare per sciugamani di carta
IT999044B (it) Apparato perfezionato di stiro testurizzazione
DK124177C (da) Knusemaskine.
FR2069863A1 (fr) Machine d'usinage par etincelage
FR1451064A (fr) Procédé d'obtention d'acéto-acétarylamides en milieu aqueux
BE747925A (fr) D 2-(6-substitues-2-napthyl)-propanals
IT1033005B (it) Processo per la preparazione di io amminoalchil 9.10.diidroantraceni
CA757622A (en) Basic 1,3-dioxanes, their salts and process
FR3305M (fr) Trinicotinoylglycérine et ses sels d'addition d'acides, utiles comme agents vasodilatateurs.
FR1534338A (fr) Procédé de profilage d'ébauches cylindriques pleines
FI45701C (fi) Kylmäkoneen vesilauhdutin.