FR2870535B1 - Perfectionnement au procede bayer de production de trihydrate d'alumine par attaque alcaline de bauxite, ledit procede comportant une etape de predessilicatation - Google Patents
Perfectionnement au procede bayer de production de trihydrate d'alumine par attaque alcaline de bauxite, ledit procede comportant une etape de predessilicatationInfo
- Publication number
- FR2870535B1 FR2870535B1 FR0405405A FR0405405A FR2870535B1 FR 2870535 B1 FR2870535 B1 FR 2870535B1 FR 0405405 A FR0405405 A FR 0405405A FR 0405405 A FR0405405 A FR 0405405A FR 2870535 B1 FR2870535 B1 FR 2870535B1
- Authority
- FR
- France
- Prior art keywords
- bauxite
- improvement
- production
- bayer process
- alumina trihydrate
- 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.)
- Expired - Fee Related
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
- C01F7/46—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
- C01F7/0613—Pretreatment of the minerals, e.g. grinding
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Nutrition Science (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0405405A FR2870535B1 (fr) | 2004-05-18 | 2004-05-18 | Perfectionnement au procede bayer de production de trihydrate d'alumine par attaque alcaline de bauxite, ledit procede comportant une etape de predessilicatation |
EP05771007A EP1751059A1 (fr) | 2004-05-18 | 2005-05-11 | Perfectionnement au procede bayer de production de trihydrate d'alumine par attaque alcaline de bauxite, ledit procede comportant une etape de predessilicatation |
US11/569,290 US7704471B2 (en) | 2004-05-18 | 2005-05-11 | Bayer process for production of alumina trihydrate by alkaline digestion of bauxite, the process comprising a predesilication step |
BRPI0511191-9A BRPI0511191A (pt) | 2004-05-18 | 2005-05-11 | aperfeiçoamento no processo bayer de produção de trihidrato de alumina por ataque alcalino de bauxita, esse processo comportando uma etapa de pré-dessilicatação |
PCT/FR2005/001177 WO2005123591A1 (fr) | 2004-05-18 | 2005-05-11 | Perfectionnement au procede bayer de production de trihydrate d'alumine par attaque alcaline de bauxite, ledit procede comportant une etape de predessilicatation |
CN200580016152XA CN1956925B (zh) | 2004-05-18 | 2005-05-11 | 对通过碱性消化铝土矿生产三水合氧化铝的拜耳法的改进,所述方法包括预脱硅步骤 |
AU2005254281A AU2005254281B2 (en) | 2004-05-18 | 2005-05-11 | Improvement to the Bayer process for the production of alumina trihydrate by means of alkaline leaching of bauxite, said method comprising a predesilicification step |
UAA200613300A UA91977C2 (ru) | 2004-05-18 | 2005-11-05 | Способ производства тригидрата оксида алюминия по способу байера путем выщелачивания боксита с этапом предварительной декремнизации |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0405405A FR2870535B1 (fr) | 2004-05-18 | 2004-05-18 | Perfectionnement au procede bayer de production de trihydrate d'alumine par attaque alcaline de bauxite, ledit procede comportant une etape de predessilicatation |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2870535A1 FR2870535A1 (fr) | 2005-11-25 |
FR2870535B1 true FR2870535B1 (fr) | 2007-02-16 |
Family
ID=34945589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0405405A Expired - Fee Related FR2870535B1 (fr) | 2004-05-18 | 2004-05-18 | Perfectionnement au procede bayer de production de trihydrate d'alumine par attaque alcaline de bauxite, ledit procede comportant une etape de predessilicatation |
Country Status (8)
Country | Link |
---|---|
US (1) | US7704471B2 (fr) |
EP (1) | EP1751059A1 (fr) |
CN (1) | CN1956925B (fr) |
AU (1) | AU2005254281B2 (fr) |
BR (1) | BRPI0511191A (fr) |
FR (1) | FR2870535B1 (fr) |
UA (1) | UA91977C2 (fr) |
WO (1) | WO2005123591A1 (fr) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2471010C2 (ru) | 2007-05-21 | 2012-12-27 | Орбит Элюминэ Инк. | Способ извлечения алюминия и железа из глиноземистых руд |
CN101671041B (zh) * | 2008-09-09 | 2011-07-27 | 中铝国际技术发展有限公司 | 一种氧化铝熔出后的蒸发方法及装置 |
US8029752B2 (en) * | 2009-04-06 | 2011-10-04 | Nalco Company | Approach in controlling DSP scale in bayer process |
US9416020B2 (en) | 2009-09-25 | 2016-08-16 | Nalco Company | Surfactant based small molecules for reducing aluminosilicate scale in the bayer process |
US8282834B2 (en) | 2009-09-25 | 2012-10-09 | Nalco Company | Di- and mono-alkoxysilane functionalized polymers and their application in the Bayer process |
US9487408B2 (en) | 2009-09-25 | 2016-11-08 | Nalco Company | Reducing aluminosilicate scale in the bayer process |
US8545776B2 (en) * | 2009-09-25 | 2013-10-01 | Nalco Company | Reducing aluminosilicate scale in the Bayer process |
EP2686458A4 (fr) | 2011-03-18 | 2015-04-15 | Orbite Aluminae Inc | Procédés permettant de récupérer des éléments de terres rares à partir de matériaux renfermant de l'aluminium |
CN103857810A (zh) | 2011-05-04 | 2014-06-11 | 奥贝特铝业有限公司 | 用于从各种矿石中回收稀土元素的方法 |
US9150428B2 (en) | 2011-06-03 | 2015-10-06 | Orbite Aluminae Inc. | Methods for separating iron ions from aluminum ions |
CN102259903B (zh) * | 2011-06-20 | 2013-06-05 | 中国铝业股份有限公司 | 降低氧化铝拜耳流程溶液中碳酸钠含量的方法 |
RU2014114938A (ru) | 2011-09-16 | 2015-10-27 | Орбит Элюминэ Инк. | Способы получения оксида алюминия и разнообразных других продуктов |
RU2579843C2 (ru) | 2012-01-10 | 2016-04-10 | Орбит Текнолоджис Инк. | Способы обработки красного шлама |
CA2903512C (fr) | 2012-03-29 | 2017-12-05 | Orbite Technologies Inc. | Procedes de traitement de cendres volantes |
MY175471A (en) | 2012-07-12 | 2020-06-29 | Orbite Tech Inc | Processes for preparing titanium oxide and various other products |
JP2015535886A (ja) | 2012-09-26 | 2015-12-17 | オーバイト アルミナ インコーポレイテッドOrbite Aluminae Inc. | 種々の材料のHCl浸出によるアルミナおよび塩化マグネシウムを調製するためのプロセス |
AU2013344721A1 (en) | 2012-11-14 | 2015-07-02 | Orbite Aluminae Inc. | Methods for purifying aluminium ions |
CN104291383B (zh) * | 2013-07-16 | 2016-08-10 | 中国科学院过程工程研究所 | 一种高铁三水铝石型铝土矿综合利用的方法 |
EP2886178A1 (fr) * | 2013-12-20 | 2015-06-24 | Rio Tinto Alcan International Limited | Procédé et installation de production de trihydrate d'alumine par digestion d'alcaline de minerai de bauxite |
US10427950B2 (en) | 2015-12-04 | 2019-10-01 | Ecolab Usa Inc. | Recovery of mining processing product using boronic acid-containing polymers |
FR3072956B1 (fr) * | 2017-10-31 | 2024-03-01 | Amber Dev | Procede de traitement de bauxite |
US20220064758A1 (en) * | 2018-12-27 | 2022-03-03 | Companhia Brasileira De Alumínio | Aluminum recovery method |
CN109850929B (zh) * | 2018-12-31 | 2021-03-16 | 贵州博汇联润铝业有限公司 | 一种种分槽稀释原矿矿浆制备氢氧化铝微粉方法 |
FR3095433A1 (fr) * | 2019-04-29 | 2020-10-30 | Ib2 | Procede de traitement de residus d’enrichissement physique de bauxite |
CN111592022B (zh) * | 2020-04-20 | 2023-05-12 | 中铝山东新材料有限公司 | 一种拟薄水铝石的生产方法 |
WO2021252252A1 (fr) | 2020-06-08 | 2021-12-16 | Eastman Chemical Company | Article de revêtement de sol résilient multicouche à base d'ester de cellulose plastifié |
CN113716589A (zh) * | 2021-10-09 | 2021-11-30 | 贵州华锦铝业有限公司 | 一种拜耳法氧化铝脱硫脱碳协同处理的方法及其*** |
CN113856507B (zh) * | 2021-10-18 | 2024-04-02 | 中铝矿业有限公司 | 一种进口铝土矿矿浆配制装置及方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3413087A (en) * | 1964-03-13 | 1968-11-26 | Reynolds Metals Co | Method for extracting alumina from its ores |
US3481705A (en) * | 1964-08-31 | 1969-12-02 | Kaiser Aluminium Chem Corp | Predigestion of low-silica bauxite |
US3853535A (en) * | 1971-05-17 | 1974-12-10 | Tatabanyai Szenbanyak | Process for the comminution of particulate alluminaceous materials |
AU474596B2 (en) * | 1972-04-03 | 1974-07-25 | Kaiser Aluminum & Chemical Corporation | Improvements in the bayer process production of alumina |
US4289629A (en) * | 1980-07-10 | 1981-09-15 | J. M. Huber Corporation | Removal of contaminants from strongly alkaline solution |
JPS57145029A (en) * | 1981-02-27 | 1982-09-07 | Sumitomo Alum Smelt Co Ltd | Extracting method of alumina from mixed type bauxite |
US4430310A (en) * | 1983-02-08 | 1984-02-07 | Kaiser Aluminum & Chemical Corporation | Purification of impure Bayer process liquors |
FR2581053B1 (fr) * | 1985-04-30 | 1987-05-29 | Pechiney Aluminium | Production d'alumine a partir de bauxite a gibbsite a basse teneur en silice reactive |
WO1989006963A1 (fr) * | 1988-02-08 | 1989-08-10 | Pfizer Inc. | Antibiotique d'ether polycyclique acidique ayant une activite anticoccidies et favorisant la croissance |
FR2732332B1 (fr) * | 1995-03-31 | 1997-05-09 | Pechiney Aluminium | Procede de traitement de bauxite a trihydrate d'alumine a basse teneur en silice reactive |
AUPO376296A0 (en) * | 1996-11-20 | 1996-12-12 | Comalco Aluminium Limited | Removal of silica from bauxite |
FR2758544B1 (fr) * | 1997-01-22 | 1999-02-26 | Pechiney Aluminium | Procede ameliore de traitement de bauxites riches en monohydrate d'alumine |
-
2004
- 2004-05-18 FR FR0405405A patent/FR2870535B1/fr not_active Expired - Fee Related
-
2005
- 2005-05-11 CN CN200580016152XA patent/CN1956925B/zh not_active Expired - Fee Related
- 2005-05-11 AU AU2005254281A patent/AU2005254281B2/en not_active Ceased
- 2005-05-11 EP EP05771007A patent/EP1751059A1/fr not_active Withdrawn
- 2005-05-11 US US11/569,290 patent/US7704471B2/en not_active Expired - Fee Related
- 2005-05-11 BR BRPI0511191-9A patent/BRPI0511191A/pt not_active Application Discontinuation
- 2005-05-11 WO PCT/FR2005/001177 patent/WO2005123591A1/fr active Application Filing
- 2005-11-05 UA UAA200613300A patent/UA91977C2/ru unknown
Also Published As
Publication number | Publication date |
---|---|
EP1751059A1 (fr) | 2007-02-14 |
US7704471B2 (en) | 2010-04-27 |
CN1956925B (zh) | 2012-04-11 |
BRPI0511191A (pt) | 2007-12-04 |
UA91977C2 (ru) | 2010-09-27 |
WO2005123591A1 (fr) | 2005-12-29 |
CN1956925A (zh) | 2007-05-02 |
FR2870535A1 (fr) | 2005-11-25 |
AU2005254281A1 (en) | 2005-12-29 |
US20070178041A1 (en) | 2007-08-02 |
AU2005254281B2 (en) | 2010-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20160129 |