ATE294140T1 - Solubilisierung von carbonaten durch rezyklierung von kondensaten beim druckaufschluss von monohydrat-bauxiten - Google Patents

Solubilisierung von carbonaten durch rezyklierung von kondensaten beim druckaufschluss von monohydrat-bauxiten

Info

Publication number
ATE294140T1
ATE294140T1 AT03715018T AT03715018T ATE294140T1 AT E294140 T1 ATE294140 T1 AT E294140T1 AT 03715018 T AT03715018 T AT 03715018T AT 03715018 T AT03715018 T AT 03715018T AT E294140 T1 ATE294140 T1 AT E294140T1
Authority
AT
Austria
Prior art keywords
series
suspension
regulators
autoclaves
steam
Prior art date
Application number
AT03715018T
Other languages
English (en)
Inventor
Odissefs Keramidas
Jean-Michel Lamerant
Raymond Roumieu
Original Assignee
Pechiney Aluminium
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 Pechiney Aluminium filed Critical Pechiney Aluminium
Application granted granted Critical
Publication of ATE294140T1 publication Critical patent/ATE294140T1/de

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
    • C01F7/062—Digestion

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Nutrition Science (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Saccharide Compounds (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT03715018T 2002-01-21 2003-01-17 Solubilisierung von carbonaten durch rezyklierung von kondensaten beim druckaufschluss von monohydrat-bauxiten ATE294140T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0200717A FR2834979B1 (fr) 2002-01-21 2002-01-21 Solubilisation des carbonates par recyclage des condensats lors de l'attaque sous pression des bauxites a monohydrates
PCT/FR2003/000139 WO2003062147A1 (fr) 2002-01-21 2003-01-17 Solubilisation des carbonates par recyclage des condensats lors de l'attaque sous pression des bauxites a monohydrates

Publications (1)

Publication Number Publication Date
ATE294140T1 true ATE294140T1 (de) 2005-05-15

Family

ID=27589536

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03715018T ATE294140T1 (de) 2002-01-21 2003-01-17 Solubilisierung von carbonaten durch rezyklierung von kondensaten beim druckaufschluss von monohydrat-bauxiten

Country Status (12)

Country Link
US (1) US7217408B2 (de)
EP (1) EP1467950B1 (de)
CN (1) CN1301906C (de)
AT (1) ATE294140T1 (de)
AU (1) AU2003219221B2 (de)
DE (1) DE60300579D1 (de)
ES (1) ES2240940T3 (de)
FR (1) FR2834979B1 (de)
RS (1) RS50390B (de)
RU (1) RU2305068C2 (de)
UA (1) UA79606C2 (de)
WO (1) WO2003062147A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU697381B2 (en) * 1994-06-07 1998-10-01 Hatch Pty Ltd Improved multi-cell heating system
FR2846319B1 (fr) * 2002-10-25 2004-12-10 Pechiney Aluminium Procede d'attaque de la bauxite ameliorant la filtrabilite des boues en sortie d'attaque
CN1295354C (zh) * 2005-10-19 2007-01-17 贵阳铝镁设计研究院 氧化铝溶出装置及工艺
CN101676670B (zh) * 2008-09-16 2011-02-02 沈阳铝镁设计研究院 一种设备的冷却水供水方法及供水系统
DE102012001945A1 (de) 2012-02-02 2013-08-08 Bernd Kunze Verfahren zur Verarbeitung aluminiumhaltiger Rohstoffe
FI125026B (fi) * 2012-12-20 2015-04-30 Outotec Finland Oy Energian ja veden talteenotto painehapetuksen flash-astian höyrystä
RU2741030C1 (ru) * 2020-07-28 2021-01-22 Федеральное государственное бюджетное учреждение науки Институт химии твердого тела Уральского отделения Российской академии наук Способ переработки бокситов
CN112871963B (zh) * 2021-01-08 2022-04-22 清华大学 赤泥改性及用于有机固废热解气化过程除焦脱硫的方法
RU2752160C1 (ru) * 2021-01-21 2021-07-23 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Способ гидрохимического обогащения высококарбонатных бокситов для производства глинозёма

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1132898B (de) * 1957-03-19 1962-07-12 Pechiney Prod Chimiques Sa Verfahren und Vorrichtung zum kontinuierlichen Behandeln von festen Stoffen mit Fluessigkeiten
DE1202258B (de) * 1960-11-14 1965-10-07 Almasfuezitoei Timfoeldgyar Verfahren zum Aufschliessen tonerdehaltiger Materialien, insbesondere Bauxit, mittels Natronlauge
FR1523304A (fr) * 1967-03-20 1968-05-03 Pechiney Procédé de purification des solutions industrielles d'aluminate de sodium
FR2328660A1 (fr) * 1975-10-21 1977-05-20 Pechiney Aluminium Perfectionnement a l'epuration de solutions en circulation dans le cycle bayer
FR2712275B1 (fr) * 1993-11-09 1995-12-15 Pechiney Aluminium Procédé de traitement de bauxites contenant un mélange de trihydrate d'alumine et de monohydrate d'alumine.
FR2758544B1 (fr) * 1997-01-22 1999-02-26 Pechiney Aluminium Procede ameliore de traitement de bauxites riches en monohydrate d'alumine
CN1323741A (zh) * 2000-05-12 2001-11-28 张至德 氢氧化钠碱熔铝土矿制备氢氧化铝工艺
US6814873B2 (en) * 2002-07-22 2004-11-09 Cytec Technology Corp. Method of preventing or reducing aluminosilicate scale in a bayer process

Also Published As

Publication number Publication date
DE60300579D1 (de) 2005-06-02
RS64004A (en) 2006-10-27
UA79606C2 (en) 2007-07-10
AU2003219221B2 (en) 2007-12-06
RU2305068C2 (ru) 2007-08-27
WO2003062147A1 (fr) 2003-07-31
RS50390B (sr) 2009-12-31
US7217408B2 (en) 2007-05-15
EP1467950A1 (de) 2004-10-20
FR2834979B1 (fr) 2004-02-20
RU2004125578A (ru) 2005-06-10
US20050123460A1 (en) 2005-06-09
CN1620405A (zh) 2005-05-25
FR2834979A1 (fr) 2003-07-25
EP1467950B1 (de) 2005-04-27
ES2240940T3 (es) 2005-10-16
CN1301906C (zh) 2007-02-28

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