DE2849555C2 - - Google Patents
Info
- Publication number
- DE2849555C2 DE2849555C2 DE2849555A DE2849555A DE2849555C2 DE 2849555 C2 DE2849555 C2 DE 2849555C2 DE 2849555 A DE2849555 A DE 2849555A DE 2849555 A DE2849555 A DE 2849555A DE 2849555 C2 DE2849555 C2 DE 2849555C2
- Authority
- DE
- Germany
- Legal status (The legal status 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 status listed.)
- Expired
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
- C01F7/20—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)
- Crystals, And After-Treatments Of Crystals (AREA)
- Processing Of Solid Wastes (AREA)
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 (2)
Publication Number | Publication Date |
---|---|
DE2849555A1 DE2849555A1 (de) | 1979-12-06 |
DE2849555C2 true DE2849555C2 (US06262066-20010717-C00424.png) | 1987-01-29 |
Family
ID=5511243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782849555 Granted DE2849555A1 (de) | 1978-01-13 | 1978-11-15 | Verfahren zur herstellung von reinem aluminiumoxid |
Country Status (6)
Families Citing this family (4)
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)
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 |
GB883311A (en) * | 1958-08-21 | 1961-11-29 | Commw Scient Ind Res Org | Improvements in and relating to the production of alumina |
DE1179919B (de) * | 1958-08-21 | 1964-10-22 | Commw Scient Ind Res Org | Verfahren zur Erzeugung von Aluminiumoxyd |
ES251629A1 (es) * | 1958-08-21 | 1960-03-16 | Commw Scient Ind Res Org | Un procedimiento para la producciën de aluminas |
US3079228A (en) * | 1960-01-12 | 1963-02-26 | American Cyanamid Co | Production of aluminum sulfate |
FR1558347A (US06262066-20010717-C00424.png) * | 1967-10-25 | 1969-02-28 |
-
1978
- 1978-01-13 DD DD78203210A patent/DD140737A1/de not_active IP Right Cessation
- 1978-11-15 DE DE19782849555 patent/DE2849555A1/de active Granted
- 1978-12-13 SU SU787770389A patent/SU941291A1/ru active
- 1978-12-15 CS CS788431A patent/CS215886B1/cs unknown
-
1979
- 1979-01-12 HU HU79MA3101A patent/HU184166B/hu unknown
- 1979-06-08 US US06/046,843 patent/US4244928A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DD140737A1 (de) | 1980-03-26 |
HU184166B (en) | 1984-07-30 |
US4244928A (en) | 1981-01-13 |
SU941291A1 (ru) | 1982-07-07 |
DE2849555A1 (de) | 1979-12-06 |
CS215886B1 (en) | 1982-09-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8101 | Request for examination as to novelty | ||
8105 | Search report available | ||
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |