DE69835231D1 - Verfahren zur herstellung von aluminiumoxid - Google Patents

Verfahren zur herstellung von aluminiumoxid

Info

Publication number
DE69835231D1
DE69835231D1 DE69835231T DE69835231T DE69835231D1 DE 69835231 D1 DE69835231 D1 DE 69835231D1 DE 69835231 T DE69835231 T DE 69835231T DE 69835231 T DE69835231 T DE 69835231T DE 69835231 D1 DE69835231 D1 DE 69835231D1
Authority
DE
Germany
Prior art keywords
aluminum oxide
producing aluminum
producing
oxide
aluminum
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 - Lifetime
Application number
DE69835231T
Other languages
English (en)
Inventor
Michael O'hare
Michael Fogg
Michael Parkinson
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.)
Curtin University of Technology
Original Assignee
Curtin University of Technology
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
Application filed by Curtin University of Technology filed Critical Curtin University of Technology
Application granted granted Critical
Publication of DE69835231D1 publication Critical patent/DE69835231D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C01F7/473—Removal of organic compounds, e.g. sodium oxalate
    • 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
    • C01F7/0606—Making-up the alkali hydroxide solution from recycled spent liquor
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DE69835231T 1997-12-11 1998-12-10 Verfahren zur herstellung von aluminiumoxid Expired - Lifetime DE69835231D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9726117.6A GB9726117D0 (en) 1997-12-11 1997-12-11 Process for producing alumina
PCT/GB1998/003705 WO1999029627A1 (en) 1997-12-11 1998-12-10 Process for producing alumina

Publications (1)

Publication Number Publication Date
DE69835231D1 true DE69835231D1 (de) 2006-08-24

Family

ID=10823403

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69835231T Expired - Lifetime DE69835231D1 (de) 1997-12-11 1998-12-10 Verfahren zur herstellung von aluminiumoxid

Country Status (8)

Country Link
US (2) US6479024B1 (de)
EP (1) EP1037855B1 (de)
AU (1) AU748945B2 (de)
CA (1) CA2313482A1 (de)
DE (1) DE69835231D1 (de)
ES (1) ES2268805T3 (de)
GB (1) GB9726117D0 (de)
WO (1) WO1999029627A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPR437001A0 (en) * 2001-04-11 2001-05-17 Worsley Alumina Pty Ltd Process for the removal of anionic impurities from caustic aluminate solutions
US7625492B2 (en) * 2003-01-28 2009-12-01 The University Of Wyoming Research Corporation Charge-based water filtration systems
US7625428B2 (en) * 2003-01-28 2009-12-01 The University Of Wyoming Research Corporation Bioagent air filtration systems
CA2597086A1 (en) 2005-02-11 2006-08-17 Billiton Aluminium Australia Pty Ltd Alumina recovery
FR2893516B1 (fr) * 2005-11-18 2008-01-11 Rech S Geol Et Minieres Brgmet Procede de separation/purification d'un melange de gaz
CN100532262C (zh) * 2007-07-12 2009-08-26 中国铝业股份有限公司 一种中低品位铝土矿生产氧化铝的方法
EP2200941A4 (de) * 2007-09-17 2013-12-25 Areva Fed Services Llc Verfahren zur entfernung von aluminiumoxiden aus wässrigen medien
US9133038B2 (en) * 2009-03-20 2015-09-15 Commonwealth Scientific And Industrial Research Organisation Treatment or remediation of natural or waste water
RU2462417C1 (ru) * 2011-03-03 2012-09-27 Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет) СПОСОБ ПОЛУЧЕНИЯ МАЛОЩЕЛОЧНОГО ГЛИНОЗЕМА С ВЫСОКИМ СОДЕРЖАНИЕМ α-МОДИФИКАЦИЙ Al2O3
CN105152193B (zh) * 2015-05-18 2017-01-04 北京化工大学 从卤水中提取镁、锂同时生产水滑石的工艺方法
RU2678024C1 (ru) * 2017-12-05 2019-01-22 Федеральное государственное бюджетное учреждение науки Институт химии твердого тела и механохимии Сибирского отделения Российской академии наук Способ получения магнитного композита на основе магнитного оксида железа и слоистого двойного гидроксида
BR112020016418A2 (pt) * 2018-02-23 2020-12-15 Rio Tinto Alcan International Limited Processo bayer
CA3100733A1 (en) * 2018-05-28 2019-12-05 Alcoa Of Australia Limited Method for controlling the concentration of impurities in bayer liquors
EA202092886A1 (ru) * 2018-05-28 2021-02-20 Алкоа Оф Острэйлиа Лимитед Способ управления концентрацией примесей
CN116002732A (zh) * 2023-02-20 2023-04-25 贵州晟达雅科技有限公司 一种消除铝土矿分离母液中有机杂质的工艺及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4915930A (en) * 1986-07-31 1990-04-10 Aluminum Company Of America Process for producing aluminum hydroxide of improved whiteness
ATE83222T1 (de) * 1988-02-11 1992-12-15 Vaw Ver Aluminium Werke Ag Verfahren zur herstellung von fuellstoffen und flammschutzmitteln auf der basis von aluminiumhydroxid in form von hydrargillit.
US5075089A (en) 1990-03-20 1991-12-24 Aluminum Company Of America Method of making pillared hydrotalcites and associated products
US5075472A (en) 1990-09-28 1991-12-24 Aluminum Company Of America Aluminum hydroxide lithium oxalate compounds
US5358701A (en) * 1992-11-16 1994-10-25 Board Of Trustees Operating Michigan State University Process of using layered double hydroxides as low temperature recyclable sorbents for the removal of SOx from flue gas and other gas streams
US5358915A (en) * 1993-02-12 1994-10-25 American Colloid Company Process for regenerating spent acid-activated bentonite clays and smectite catalysts
US5624646A (en) * 1993-10-14 1997-04-29 Aluminum Company Of America Method for improving the brightness of aluminum hydroxide
FR2736908B1 (fr) * 1995-07-20 1997-08-29 Pechiney Aluminium Procede d'epuration des solutions d'aluminate de sodium contenant de l'oxalate de sodium

Also Published As

Publication number Publication date
AU748945C (en) 1999-06-28
AU1497499A (en) 1999-06-28
ES2268805T3 (es) 2007-03-16
GB9726117D0 (en) 1998-02-11
EP1037855A1 (de) 2000-09-27
US20030064019A1 (en) 2003-04-03
WO1999029627A1 (en) 1999-06-17
US6479024B1 (en) 2002-11-12
US7084085B2 (en) 2006-08-01
EP1037855B1 (de) 2006-07-12
CA2313482A1 (en) 1999-06-17
AU748945B2 (en) 2002-06-13

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Legal Events

Date Code Title Description
8332 No legal effect for de