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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 predessilicatation

Info

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
Application number
FR0405405A
Other languages
English (en)
Other versions
FR2870535A1 (fr
Inventor
Eric Tizon
Clotilde Fryns
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rio Tinto France SAS
Original Assignee
Aluminium Pechiney SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to FR0405405A priority Critical patent/FR2870535B1/fr
Application filed by Aluminium Pechiney SA filed Critical Aluminium Pechiney SA
Priority to AU2005254281A priority patent/AU2005254281B2/en
Priority to PCT/FR2005/001177 priority patent/WO2005123591A1/fr
Priority to US11/569,290 priority patent/US7704471B2/en
Priority to EP05771007A priority patent/EP1751059A1/fr
Priority to BRPI0511191-9A priority patent/BRPI0511191A/pt
Priority to CN200580016152XA priority patent/CN1956925B/zh
Priority to UAA200613300A priority patent/UA91977C2/ru
Publication of FR2870535A1 publication Critical patent/FR2870535A1/fr
Application granted granted Critical
Publication of FR2870535B1 publication Critical patent/FR2870535B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (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)
FR0405405A 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 Expired - Fee Related FR2870535B1 (fr)

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
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
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
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
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
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
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
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)

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CA2684696C (fr) 2007-05-21 2010-10-12 Exploration Orbite Vspa Inc. Procedes d'extraction de l'aluminium et du fer a partir de minerais alumineux
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
US8545776B2 (en) * 2009-09-25 2013-10-01 Nalco Company Reducing aluminosilicate scale in the Bayer process
US9416020B2 (en) 2009-09-25 2016-08-16 Nalco Company Surfactant based small molecules for reducing aluminosilicate scale in the bayer process
US9487408B2 (en) 2009-09-25 2016-11-08 Nalco Company 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
CN103534367A (zh) 2011-03-18 2014-01-22 奥贝特铝业有限公司 从含铝材料中回收稀土元素的方法
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
CA2834356C (fr) 2011-06-03 2014-11-25 Orbite Aluminae Inc. Procedes d'obtention d'hematite
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
US9382600B2 (en) 2011-09-16 2016-07-05 Orbite Technologies Inc. Processes for preparing alumina and various other products
WO2013104059A1 (fr) 2012-01-10 2013-07-18 Orbite Aluminae Inc. Procédés de traitement de boue rouge
RU2633579C9 (ru) 2012-03-29 2017-12-25 Орбит Алюминэ Инк. Способы обработки летучей золы
BR112015000626A2 (pt) 2012-07-12 2017-06-27 Orbite Aluminae Inc processos para preparação de óxido de titânio e outros produtos variados
WO2014047728A1 (fr) 2012-09-26 2014-04-03 Orbite Aluminae Inc. Procédés pour la préparation d'alumine et de chlorure de magnésium par lixiviation par hcl de divers matériaux
BR112015011049A2 (pt) 2012-11-14 2017-07-11 Orbite Aluminae Inc métodos para purificação de íons de alumínio
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
CA3124583A1 (fr) * 2018-12-27 2020-07-02 Companhia Brasileira De Aluminio Procede de recuperation d'aluminium
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
CN116802152A (zh) 2021-02-12 2023-09-22 埃科莱布美国股份有限公司 使用硼酸官能化化合物纯化铝土矿矿石
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系统
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US7704471B2 (en) 2010-04-27
CN1956925A (zh) 2007-05-02
CN1956925B (zh) 2012-04-11
WO2005123591A1 (fr) 2005-12-29
US20070178041A1 (en) 2007-08-02
FR2870535A1 (fr) 2005-11-25
UA91977C2 (ru) 2010-09-27
AU2005254281A1 (en) 2005-12-29
BRPI0511191A (pt) 2007-12-04
EP1751059A1 (fr) 2007-02-14
AU2005254281B2 (en) 2010-07-29

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Legal Events

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ST Notification of lapse

Effective date: 20160129