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
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
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Health & Medical Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Centrifugal Separators (AREA)
- Manufacture And Refinement Of Metals (AREA)
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 (no) |
BE (1) | BE712350A (no) |
ES (1) | ES351741A1 (no) |
FR (1) | FR1523303A (no) |
GB (1) | GB1227022A (no) |
NL (1) | NL164532C (no) |
NO (1) | NO124249B (no) |
OA (1) | OA02777A (no) |
Families Citing this family (3)
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 |
-
1967
- 1967-03-20 FR FR99394A patent/FR1523303A/fr not_active Expired
-
1968
- 1968-03-15 US US713422A patent/US3579295A/en not_active Expired - Lifetime
- 1968-03-18 ES ES351741A patent/ES351741A1/es not_active Expired
- 1968-03-18 BE BE712350D patent/BE712350A/xx unknown
- 1968-03-18 NO NO1033/68A patent/NO124249B/no unknown
- 1968-03-19 NL NL6803858.A patent/NL164532C/xx active
- 1968-03-19 GB GB1227022D patent/GB1227022A/en not_active Expired
- 1968-03-20 OA OA53225A patent/OA02777A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES351741A1 (es) | 1969-12-01 |
NL6803858A (no) | 1968-09-23 |
US3579295A (en) | 1971-05-18 |
NL164532C (nl) | 1981-01-15 |
FR1523303A (fr) | 1968-05-03 |
GB1227022A (no) | 1971-03-31 |
BE712350A (no) | 1968-09-18 |
NL164532B (nl) | 1980-08-15 |
NO124249B (no) | 1972-03-27 |
DE1667822A1 (de) | 1972-04-27 |
DE1667822B2 (de) | 1973-07-12 |
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 | |
FR1511847A (fr) | Un système d'adressage perfectionné | |
FR94682E (fr) | Procédé de photoélectropolymérisation. | |
OA02777A (fr) | Procédé perfectionné d'attaque de la bauxite en milieu alcalin. | |
DK145123C (da) | Koelervaeske | |
BE754604A (fr) | Le 1-(2-nitrilophenoxy)-2-hydroxy-3-ethyl-aminopropane et ses sels | |
ZA702577B (en) | 2-(5-nitro-2-imidazolyl)-benzimidazoles | |
NL160497C (nl) | Walsgeleider. | |
BR7019264D0 (pt) | Processo para obtencao de derivados de 1,4-dihidroquinolina | |
BG18864A3 (bg) | Метод за получаване на карденоид-3-(2',3'-дидезоксигликозиди) | |
IT984169B (it) | Dispositivo per lavorare con asportazione di trucioli super fici laterali | |
SU419786A1 (ru) | Ультразвуковая линза | |
IT940808B (it) | Contenitore distributore in parti colare per sciugamani di carta | |
FR1516935A (fr) | Procédé de préparation d'hydroperoxydate de carbonate de sodium | |
SU483773A1 (ru) | Пороговый триггер | |
BE757789A (fr) | Procede d'enregistrement | |
FR2069863A1 (fr) | Machine d'usinage par etincelage | |
FR1451064A (fr) | Procédé d'obtention d'acéto-acétarylamides en milieu aqueux | |
BG17515A3 (bg) | Метод за получаване на 2,4- дихидрокси- бензофенон | |
BE747925A (fr) | D 2-(6-substitues-2-napthyl)-propanals | |
DK124177C (da) | Knusemaskine. | |
CA757622A (en) | Basic 1,3-dioxanes, their salts and process |