OA02776A - Procédé perfectionné d'attaque continue de la bauxite par une solution de soude caustique et d'aluminate de sodium. - Google Patents
Procédé perfectionné d'attaque continue de la bauxite par une solution de soude caustique et d'aluminate de sodium.Info
- Publication number
- OA02776A OA02776A OA53224A OA53224A OA02776A OA 02776 A OA02776 A OA 02776A OA 53224 A OA53224 A OA 53224A OA 53224 A OA53224 A OA 53224A OA 02776 A OA02776 A OA 02776A
- Authority
- OA
- OAPI
- Prior art keywords
- bauxite
- solution
- caustic soda
- improved process
- sodium aluminate
- Prior art date
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title 3
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 title 1
- 229910001570 bauxite Inorganic materials 0.000 title 1
- 229910001388 sodium aluminate Inorganic materials 0.000 title 1
- 235000011121 sodium hydroxide Nutrition 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/06—Evaporators with vertical tubes
- B01D1/10—Evaporators with vertical tubes with long tubes, e.g. Kestner evaporators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/06—Evaporators with vertical tubes
- B01D1/065—Evaporators with vertical tubes by film evaporating
-
- 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
- C01F7/066—Treatment of the separated residue
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR99393A FR1523302A (fr) | 1967-03-20 | 1967-03-20 | Procédé perfectionné d'attaque continue de la bauxite par une solution de soude caustique et d'aluminate de sodium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| OA02776A true OA02776A (fr) | 1970-12-15 |
Family
ID=8627173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| OA53224A OA02776A (fr) | 1967-03-20 | 1968-03-20 | Procédé perfectionné d'attaque continue de la bauxite par une solution de soude caustique et d'aluminate de sodium. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3579294A (en:Method) |
| BE (1) | BE712349A (en:Method) |
| ES (1) | ES351740A1 (en:Method) |
| FR (1) | FR1523302A (en:Method) |
| GB (1) | GB1227023A (en:Method) |
| NL (1) | NL6803857A (en:Method) |
| NO (1) | NO125487B (en:Method) |
| OA (1) | OA02776A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3868442A (en) * | 1972-09-05 | 1975-02-25 | Aluminum Co Of America | Alumina extraction |
| US4145398A (en) * | 1974-02-19 | 1979-03-20 | Vereinigte Aluminium-Werke A.G. | Bauxite digestion by caustic alkali with improved heat transfer in tubular reactors |
| GB8906500D0 (en) * | 1989-03-21 | 1989-05-04 | Shell Int Research | Process for the production of aluminium hydroxide from bauxite |
| JPH05503064A (ja) * | 1989-11-27 | 1993-05-27 | アルキャン・インターナショナル・リミテッド | アルミナ三水和物からアルミナの製造を行うための焼成方法およびその装置 |
-
1967
- 1967-03-20 FR FR99393A patent/FR1523302A/fr not_active Expired
-
1968
- 1968-03-15 US US713421A patent/US3579294A/en not_active Expired - Lifetime
- 1968-03-18 ES ES351740A patent/ES351740A1/es not_active Expired
- 1968-03-18 BE BE712349D patent/BE712349A/xx unknown
- 1968-03-18 NO NO1032/68A patent/NO125487B/no unknown
- 1968-03-19 GB GB1227023D patent/GB1227023A/en not_active Expired
- 1968-03-19 NL NL6803857A patent/NL6803857A/xx not_active Application Discontinuation
- 1968-03-20 OA OA53224A patent/OA02776A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO125487B (en:Method) | 1972-09-18 |
| DE1667823A1 (de) | 1972-11-09 |
| GB1227023A (en:Method) | 1971-03-31 |
| US3579294A (en) | 1971-05-18 |
| BE712349A (en:Method) | 1968-09-18 |
| DE1667823B2 (de) | 1973-08-16 |
| NL6803857A (en:Method) | 1968-09-23 |
| FR1523302A (fr) | 1968-05-03 |
| ES351740A1 (es) | 1969-12-01 |
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