ATE432119T1 - Verbessertes verfahren zur herstellung von filterhilfsmitteln in aluminium-raffinerien - Google Patents

Verbessertes verfahren zur herstellung von filterhilfsmitteln in aluminium-raffinerien

Info

Publication number
ATE432119T1
ATE432119T1 AT01951244T AT01951244T ATE432119T1 AT E432119 T1 ATE432119 T1 AT E432119T1 AT 01951244 T AT01951244 T AT 01951244T AT 01951244 T AT01951244 T AT 01951244T AT E432119 T1 ATE432119 T1 AT E432119T1
Authority
AT
Austria
Prior art keywords
lime
slaking
tank
slaked
added
Prior art date
Application number
AT01951244T
Other languages
English (en)
Inventor
Stephen Rosenberg
Darrel Wilson
Original Assignee
Bhp Billiton Worsley Alumina P
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 Bhp Billiton Worsley Alumina P filed Critical Bhp Billiton Worsley Alumina P
Application granted granted Critical
Publication of ATE432119T1 publication Critical patent/ATE432119T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/46Purification of aluminium oxide, aluminium hydroxide or aluminates
    • C01F7/47Purification 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/44Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Filtering Materials (AREA)
  • Catalysts (AREA)
AT01951244T 2000-07-20 2001-07-20 Verbessertes verfahren zur herstellung von filterhilfsmitteln in aluminium-raffinerien ATE432119T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPQ8891A AUPQ889100A0 (en) 2000-07-20 2000-07-20 Improved process for filter aid production in alumina refineries
PCT/AU2001/000886 WO2002011856A1 (en) 2000-07-20 2001-07-20 Improved process for filter aid production in alumina refineries

Publications (1)

Publication Number Publication Date
ATE432119T1 true ATE432119T1 (de) 2009-06-15

Family

ID=3822954

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01951244T ATE432119T1 (de) 2000-07-20 2001-07-20 Verbessertes verfahren zur herstellung von filterhilfsmitteln in aluminium-raffinerien

Country Status (10)

Country Link
US (1) US7192568B2 (de)
EP (1) EP1301260B1 (de)
CN (1) CN1238085C (de)
AT (1) ATE432119T1 (de)
AU (1) AUPQ889100A0 (de)
BR (1) BR0112575B1 (de)
CA (1) CA2416380C (de)
DE (1) DE60138811D1 (de)
ES (1) ES2327610T3 (de)
WO (1) WO2002011856A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002244541B2 (en) * 2001-04-11 2005-07-07 South32 Worsley Alumina Pty Ltd Process for the removal of anionic impurities from caustic aluminate solutions
AUPR437001A0 (en) 2001-04-11 2001-05-17 Worsley Alumina Pty Ltd Process for the removal of anionic impurities from caustic aluminate solutions
WO2006050567A1 (en) * 2004-11-12 2006-05-18 Ultimate Nominees Pty Ltd Non-toxic dispersants for hydrated lime slurries
WO2012031316A1 (en) 2010-09-06 2012-03-15 Alcoa Of Australia Limited Method of increasing the stability of a bayer process liquor
WO2014107159A1 (en) * 2013-01-04 2014-07-10 Pratt & Whitney Rocketdyne, Inc. Direct steam generator co2 removal system
AU2019300344B2 (en) * 2018-07-11 2025-03-27 S.A. Lhoist Recherche Et Developpement Process for obtaining size-calibrated tri-calcium aluminate particles and use of such particles in a process of alumina refining
CN109678185A (zh) * 2018-12-18 2019-04-26 杭州科创有色金属研究有限公司 一种用于氧化铝生产中粗液精制的装置及其方法
EP4261299A1 (de) 2022-04-12 2023-10-18 Dubai Aluminium PJSC Verfahren zur verarbeitung von bauxitrückständen aus dem bayer-prozess und nach diesem verfahren erhaltenes mineralprodukt
CN114920273B (zh) * 2022-07-06 2023-09-26 山东南山铝业股份有限公司 一种脱除铝酸钠溶液中中高分子量有机物的方法
CN119838310A (zh) * 2024-12-05 2025-04-18 沈阳工业大学 一种铝酸钠溶液精滤助滤剂制备及添加方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1285373C (fr) * 1984-06-25 1991-07-02 Jean Fabre Purification des solutions d'aluminate de sodium du cycle bayer par elimination d'oxalate de sodium
US5387405A (en) * 1992-03-25 1995-02-07 Nalco Chemical Company Bayer liquor polishing
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
AUPP825899A0 (en) * 1999-01-20 1999-02-11 Nalco Chemical Company Filtration aid for the bayer process
US6077486A (en) 1999-03-25 2000-06-20 Cytec Technology Corp. Process for purifying alumina by mixing a Bayer process stream containing sodium aluminate with amidoxime polymer to reduce the level of iron
AUPP998299A0 (en) 1999-04-23 1999-05-20 Alcoa Of Australia Limited Method for causticisation of alkaline solutions

Also Published As

Publication number Publication date
US7192568B2 (en) 2007-03-20
CN1443090A (zh) 2003-09-17
CA2416380C (en) 2007-09-11
WO2002011856A1 (en) 2002-02-14
EP1301260B1 (de) 2009-05-27
CA2416380A1 (en) 2002-02-14
DE60138811D1 (de) 2009-07-09
BR0112575A (pt) 2004-07-27
CN1238085C (zh) 2006-01-25
ES2327610T3 (es) 2009-11-02
AUPQ889100A0 (en) 2000-08-10
EP1301260A1 (de) 2003-04-16
BR0112575B1 (pt) 2010-11-16
US20040101470A1 (en) 2004-05-27
EP1301260A4 (de) 2005-05-04

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Legal Events

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