IT1070750B - Procedimento per l utilizzazione completa della alunite minerale e per la produzione da essa di allumina pura - Google Patents
Procedimento per l utilizzazione completa della alunite minerale e per la produzione da essa di allumina puraInfo
- Publication number
- IT1070750B IT1070750B IT27678/76A IT2767876A IT1070750B IT 1070750 B IT1070750 B IT 1070750B IT 27678/76 A IT27678/76 A IT 27678/76A IT 2767876 A IT2767876 A IT 2767876A IT 1070750 B IT1070750 B IT 1070750B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- pure aluminum
- complete use
- mineral alunite
- Prior art date
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title 1
- 229910052782 aluminium Inorganic materials 0.000 title 1
- 229910052934 alunite Inorganic materials 0.000 title 1
- 239000010424 alunite Substances 0.000 title 1
- 229910052500 inorganic mineral Inorganic materials 0.000 title 1
- 239000011707 mineral Substances 0.000 title 1
- KPZTWMNLAFDTGF-UHFFFAOYSA-D trialuminum;potassium;hexahydroxide;disulfate Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Al+3].[Al+3].[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O KPZTWMNLAFDTGF-UHFFFAOYSA-D 0.000 title 1
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
- C01F7/22—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with halides or halogen acids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/008—Preparation of potassium sulfate from alunite
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/07—Preparation from the hydroxides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GR4901975 | 1975-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1070750B true IT1070750B (it) | 1985-04-02 |
Family
ID=10927292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT27678/76A IT1070750B (it) | 1975-09-30 | 1976-09-27 | Procedimento per l utilizzazione completa della alunite minerale e per la produzione da essa di allumina pura |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4331636A (it) |
| AU (1) | AU505724B2 (it) |
| DE (1) | DE2555875A1 (it) |
| ES (1) | ES451870A1 (it) |
| FR (1) | FR2326383A1 (it) |
| IT (1) | IT1070750B (it) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4559215A (en) * | 1983-08-03 | 1985-12-17 | Atlantic Richfield Company | Production of anhydrous aluminum chloride from hydrated alumina |
| US4560541A (en) * | 1984-03-15 | 1985-12-24 | Atlantic Richfield Company | Production of low silica content, high purity alumina |
| US4618480A (en) * | 1984-08-15 | 1986-10-21 | Resource Technology Associates | Recovery of alumina values from alunite ore |
| GB2205558A (en) * | 1987-05-18 | 1988-12-14 | Lonhro Plc | Recovery of alumina from aluminosilicates |
| IL116409A (en) * | 1995-12-15 | 1999-11-30 | Mashal Alumina Ind Ltd | Process for the recovery of alumina and silica |
| US6468483B2 (en) | 2000-02-04 | 2002-10-22 | Goldendale Aluminum Company | Process for treating alumina-bearing ores to recover metal values therefrom |
| US7611588B2 (en) * | 2004-11-30 | 2009-11-03 | Ecolab Inc. | Methods and compositions for removing metal oxides |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1214991A (en) * | 1916-02-01 | 1917-02-06 | Aluminum Co Of America | Production of alumina and potassium sulfate from alunite. |
| US1301394A (en) * | 1918-02-23 | 1919-04-22 | F H Thwing | Process for treating alunite. |
| US1701510A (en) * | 1923-06-15 | 1929-02-12 | Sieurin Sven Emil | Production of oxide of aluminum |
| US2413709A (en) * | 1943-03-31 | 1947-01-07 | John D Hoffman | Method of recovering alumina and hydrochloric acid |
| DE1667815C2 (de) * | 1967-11-23 | 1974-02-28 | Eleusis Bauxite Mines Inc., Athen | Verfahren zur Gewinnung von Aluminiumoxid aus Alunit und Aluminosilikat-Materialien. Ausscheidung aus: 1592091 |
| US3959438A (en) * | 1974-03-21 | 1976-05-25 | Georg Messner | Method for the fabrication of pure alumina from Al2 O3 and silica containing raw materials by leaching with hydrochloric acid |
-
1975
- 1975-12-11 DE DE19752555875 patent/DE2555875A1/de not_active Withdrawn
-
1976
- 1976-09-20 AU AU17908/76A patent/AU505724B2/en not_active Expired
- 1976-09-25 ES ES451870A patent/ES451870A1/es not_active Expired
- 1976-09-27 IT IT27678/76A patent/IT1070750B/it active
- 1976-09-29 FR FR7629291A patent/FR2326383A1/fr active Granted
-
1979
- 1979-10-24 US US06/087,775 patent/US4331636A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4331636A (en) | 1982-05-25 |
| AU1790876A (en) | 1978-04-06 |
| ES451870A1 (es) | 1977-11-01 |
| FR2326383A1 (fr) | 1977-04-29 |
| DE2555875A1 (de) | 1977-03-31 |
| FR2326383B1 (it) | 1981-10-09 |
| AU505724B2 (en) | 1979-11-29 |
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