BR9707543A - Tratamento de bauxita - Google Patents
Tratamento de bauxitaInfo
- Publication number
- BR9707543A BR9707543A BR9707543-4A BR9707543A BR9707543A BR 9707543 A BR9707543 A BR 9707543A BR 9707543 A BR9707543 A BR 9707543A BR 9707543 A BR9707543 A BR 9707543A
- Authority
- BR
- Brazil
- Prior art keywords
- bauxite
- assimilation
- solution
- treatment
- silica
- Prior art date
Links
- 229910001570 bauxite Inorganic materials 0.000 title abstract 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- 239000004115 Sodium Silicate Substances 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 238000010303 mechanochemical reaction Methods 0.000 abstract 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 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
- C01F7/04—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
- C01F7/0613—Pretreatment of the minerals, e.g. grinding
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPN8082A AUPN808296A0 (en) | 1996-02-15 | 1996-02-15 | Bauxite treatment |
| PCT/AU1997/000074 WO1997029993A1 (fr) | 1996-02-15 | 1997-02-11 | Traitement de la bauxite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9707543A true BR9707543A (pt) | 2000-01-04 |
Family
ID=3792397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9707543-4A BR9707543A (pt) | 1996-02-15 | 1997-02-11 | Tratamento de bauxita |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0880468A4 (fr) |
| AU (1) | AUPN808296A0 (fr) |
| BR (1) | BR9707543A (fr) |
| WO (1) | WO1997029993A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2300498C2 (ru) * | 2005-04-14 | 2007-06-10 | Открытое акционерное общество "РУСАЛ Ачинский Глиноземный Комбинат" | Способ переработки низкокачественных нефелиновых руд |
| RU2606821C1 (ru) * | 2015-09-03 | 2017-01-10 | Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" | Способ переработки нефелиновой руды |
| RU2688083C1 (ru) * | 2018-05-16 | 2019-05-17 | Федеральное государственное бюджетное учреждение науки Институт металлургии и материаловедения им. А.А. Байкова Российской академии наук (ИМЕТ РАН) | Способ обескремнивания нефелинового концентрата и устройство для его осуществления |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3357792A (en) * | 1966-10-03 | 1967-12-12 | Gebefugi Istvan | Kneading pretreatment for the production of aluminum hydroxide |
| AU558556B2 (en) * | 1981-09-10 | 1987-02-05 | Comalco Limited | Alumina production |
| DE4036448A1 (de) * | 1989-11-16 | 1991-05-23 | Franz Prof Dr Ing Pawlek | Verfahren zum aufschliessen von bauxit |
| FR2728556B1 (fr) * | 1994-12-22 | 1997-01-31 | Pechiney Aluminium | Procede d'elimination du fer dans les liqueurs d'aluminate de sodium issues de l'attaque alcaline de bauxite a monohydrate d'alumine |
-
1996
- 1996-02-15 AU AUPN8082A patent/AUPN808296A0/en not_active Abandoned
-
1997
- 1997-02-11 WO PCT/AU1997/000074 patent/WO1997029993A1/fr not_active Ceased
- 1997-02-11 EP EP97902108A patent/EP0880468A4/fr not_active Withdrawn
- 1997-02-11 BR BR9707543-4A patent/BR9707543A/pt not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1997029993A1 (fr) | 1997-08-21 |
| EP0880468A1 (fr) | 1998-12-02 |
| AUPN808296A0 (en) | 1996-03-07 |
| EP0880468A4 (fr) | 1999-05-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EG | Technical examination (opinion): publication of technical examination (opinion) | ||
| B09B | Patent application refused [chapter 9.2 patent gazette] |