FR2020340A1 - Perfectionnements apportes aux procedes de recuperation de l'alumine des bauxites - Google Patents
Perfectionnements apportes aux procedes de recuperation de l'alumine des bauxitesInfo
- Publication number
- FR2020340A1 FR2020340A1 FR6934721A FR6934721A FR2020340A1 FR 2020340 A1 FR2020340 A1 FR 2020340A1 FR 6934721 A FR6934721 A FR 6934721A FR 6934721 A FR6934721 A FR 6934721A FR 2020340 A1 FR2020340 A1 FR 2020340A1
- Authority
- FR
- France
- Prior art keywords
- sodium
- bauxites
- alumina
- recovery
- cancrinite
- Prior art date
- 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.)
- Withdrawn
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 2
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 abstract 2
- 229910052663 cancrinite Inorganic materials 0.000 abstract 2
- 229910001388 sodium aluminate Inorganic materials 0.000 abstract 2
- 238000004131 Bayer process Methods 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 1
- 229910019142 PO4 Inorganic materials 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
- 239000004411 aluminium Substances 0.000 abstract 1
- 230000029087 digestion Effects 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
- 235000011152 sodium sulphate Nutrition 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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
- C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
-
- 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
- C01F7/0633—Digestion characterised by the use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Nutrition Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76706168A | 1968-10-10 | 1968-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2020340A1 true FR2020340A1 (fr) | 1970-07-10 |
Family
ID=25078365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6934721A Withdrawn FR2020340A1 (fr) | 1968-10-10 | 1969-10-10 | Perfectionnements apportes aux procedes de recuperation de l'alumine des bauxites |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2020340A1 (fr) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992003381A1 (fr) * | 1990-08-17 | 1992-03-05 | Alcan International Limited | Desiliciage de solutions obtenues par procede bayer |
| WO1999067172A1 (fr) * | 1998-06-19 | 1999-12-29 | Alcan International Limited | Elimination de la silice d'une solution alcaline contenant de l'aluminate de sodium |
| RU2374179C2 (ru) * | 2008-01-09 | 2009-11-27 | Институт химии твердого тела Уральского отделения Российской Академии наук | Способ обескремнивания алюминатных растворов |
| WO2010071393A1 (fr) * | 2008-12-17 | 2010-06-24 | Instituto Mexicano Del Petróleo | Procédé non destructif pour éliminer le silicium de matériaux à base d'alumine |
| CN115577607A (zh) * | 2021-06-21 | 2023-01-06 | 中国石油化工股份有限公司 | 基于全溶解模型定量计算酸性环境下钠长石转化过程的方法 |
| CN115974118A (zh) * | 2023-01-09 | 2023-04-18 | 中南大学 | 脱硅剂及其在拜耳法粗液中的应用 |
| US12006225B2 (en) | 2018-02-23 | 2024-06-11 | Rio Tinto Alcan International Limited | Bayer process |
-
1969
- 1969-10-10 FR FR6934721A patent/FR2020340A1/fr not_active Withdrawn
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992003381A1 (fr) * | 1990-08-17 | 1992-03-05 | Alcan International Limited | Desiliciage de solutions obtenues par procede bayer |
| JP3298877B2 (ja) | 1990-08-17 | 2002-07-08 | アルキャン・インターナショナル・リミテッド | バイヤープロセス溶液の脱シリカ方法 |
| WO1999067172A1 (fr) * | 1998-06-19 | 1999-12-29 | Alcan International Limited | Elimination de la silice d'une solution alcaline contenant de l'aluminate de sodium |
| US6086834A (en) * | 1998-06-19 | 2000-07-11 | Alcan International Limited | Process for the removal of silica from an alkaline solution containing sodium aluminate |
| AU750520B2 (en) * | 1998-06-19 | 2002-07-18 | Alcan International Limited | Process for the removal of silica from an alkaline solution containing sodium aluminate |
| RU2374179C2 (ru) * | 2008-01-09 | 2009-11-27 | Институт химии твердого тела Уральского отделения Российской Академии наук | Способ обескремнивания алюминатных растворов |
| WO2010071393A1 (fr) * | 2008-12-17 | 2010-06-24 | Instituto Mexicano Del Petróleo | Procédé non destructif pour éliminer le silicium de matériaux à base d'alumine |
| US8716159B2 (en) | 2008-12-17 | 2014-05-06 | Instituto Mexicano Del Petroleo | Non-destructive process for the elimination of silicon from alumina based materials |
| US12006225B2 (en) | 2018-02-23 | 2024-06-11 | Rio Tinto Alcan International Limited | Bayer process |
| CN115577607A (zh) * | 2021-06-21 | 2023-01-06 | 中国石油化工股份有限公司 | 基于全溶解模型定量计算酸性环境下钠长石转化过程的方法 |
| CN115577607B (zh) * | 2021-06-21 | 2025-08-19 | 中国石油化工股份有限公司 | 基于全溶解模型定量计算酸性环境下钠长石转化过程的方法 |
| CN115974118A (zh) * | 2023-01-09 | 2023-04-18 | 中南大学 | 脱硅剂及其在拜耳法粗液中的应用 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Withdrawal of published application |