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AU3219793A - Process for the removal of sodium oxalate from solutions of sodium aluminate from the bayer cycle - Google Patents

Process for the removal of sodium oxalate from solutions of sodium aluminate from the bayer cycle

Info

Publication number
AU3219793A
AU3219793A AU32197/93A AU3219793A AU3219793A AU 3219793 A AU3219793 A AU 3219793A AU 32197/93 A AU32197/93 A AU 32197/93A AU 3219793 A AU3219793 A AU 3219793A AU 3219793 A AU3219793 A AU 3219793A
Authority
AU
Australia
Prior art keywords
sodium
removal
solutions
bayer cycle
oxalate
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.)
Granted
Application number
AU32197/93A
Other versions
AU648215B2 (en
Inventor
Benoit Cristol
Yves Michel Perret
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
Application filed by Aluminium Pechiney SA filed Critical Aluminium Pechiney SA
Publication of AU3219793A publication Critical patent/AU3219793A/en
Application granted granted Critical
Publication of AU648215B2 publication Critical patent/AU648215B2/en
Anticipated expiration legal-status Critical
Ceased 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

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)
AU32197/93A 1992-02-05 1993-02-03 Process for the removal of sodium oxalate from solutions of sodium aluminate from the Bayer cycle Ceased AU648215B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9201481 1992-02-05
FR9201481A FR2686872B1 (en) 1992-02-05 1992-02-05 PROCESS FOR REMOVAL OF SODIUM OXALATE FROM BAYER CYCLE SODIUM ALUMINATE SOLUTIONS.

Publications (2)

Publication Number Publication Date
AU3219793A true AU3219793A (en) 1993-08-12
AU648215B2 AU648215B2 (en) 1994-04-14

Family

ID=9426498

Family Applications (1)

Application Number Title Priority Date Filing Date
AU32197/93A Ceased AU648215B2 (en) 1992-02-05 1993-02-03 Process for the removal of sodium oxalate from solutions of sodium aluminate from the Bayer cycle

Country Status (10)

Country Link
EP (1) EP0555163B1 (en)
CN (1) CN1033379C (en)
AU (1) AU648215B2 (en)
BR (1) BR9300494A (en)
DE (1) DE69300121T2 (en)
ES (1) ES2071533T3 (en)
FR (1) FR2686872B1 (en)
GR (1) GR3015945T3 (en)
HR (1) HRP930104B1 (en)
OA (1) OA09774A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU669576B2 (en) * 1992-11-17 1996-06-13 Bhp Billiton Worsley Alumina Pty Ltd Hydrate precipitation and oxalate removal
WO2000056660A1 (en) * 1999-03-19 2000-09-28 Worsley Alumina Pty. Ltd. Process for the removal of oxalate and/or sulphate from bayer liquors
WO2002083564A1 (en) * 2001-04-11 2002-10-24 Worsley Alumina Pty Ltd Process for the removal of anionic impurities from caustic aluminate solutions
AU768730B2 (en) * 1999-03-19 2004-01-08 South32 Worsley Alumina Pty Ltd Process for the removal of oxalate and/or sulphate from bayer liquors

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736908B1 (en) * 1995-07-20 1997-08-29 Pechiney Aluminium PROCESS FOR PURIFYING SODIUM ALUMINATE SOLUTIONS CONTAINING SODIUM OXALATE
FR2785895B1 (en) * 1998-11-16 2001-01-19 Pechiney Aluminium PROCESS FOR PURIFYING SODIUM ALUMINATE LIQUORS CONTAINING SODIUM OXALATE FOR INCREASING THE QUANTITY OF ALUMINUM HYDRATE PRODUCED
FR2794449B1 (en) * 1999-06-04 2001-10-19 Pechiney Aluminium METHOD FOR PURIFYING SODIUM ALUMINATE LIQUORS CONTAINING SODIUM OXALATE FOR USE OF RESIDUES
FR2860782B1 (en) * 2003-10-10 2006-09-29 Pechiney Aluminium METHOD FOR REDUCING THE HEAT EXCHANGER ENCRASSMENT OF A BAYER CIRCUIT
CN101462114B (en) * 2007-12-17 2010-10-13 贵阳铝镁设计研究院 Processing method of sodium oxalate crystallization in heat-exchange facility for producing aluminum oxide
CN101734694B (en) * 2008-11-17 2012-10-03 贵阳铝镁设计研究院有限公司 Method for excluding sodium oxalate and carbonate from Bayer process solution by adopting ultra-concentration method
CN102489244A (en) * 2011-11-24 2012-06-13 中国铝业股份有限公司 Filtering aid for filtering aluminate solution and using method thereof
CN102716616A (en) * 2012-06-21 2012-10-10 中国铝业股份有限公司 Filter aid used in leaf filtering process of sodium aluminate solution
CN103342377B (en) * 2013-07-23 2015-08-05 山东南山铝业股份有限公司 A kind of sodium aluminate solution lime causticization is except the method for sodium oxalate
CN103818935A (en) * 2014-01-13 2014-05-28 赵凿元 Method for separating potassium oxide from potassium-containing sodium aluminate solution
CN105731511B (en) * 2016-01-19 2017-10-20 中国铝业股份有限公司 A kind of method that sodium oxalate is removed from stoste is decomposed
CN107572570A (en) * 2017-09-15 2018-01-12 臧海伟 A kind of method that oxalates is removed in the washing lotion from Bayer process
CN110203954A (en) * 2019-03-20 2019-09-06 昆明冶金研究院 A kind of method of oxidizing process removing aluminium oxide mother liquor organic matter
CN113149048B (en) * 2021-03-26 2022-08-26 马朝扬 Method for treating sodium oxalate solid waste residues in alumina production process
CN113912096B (en) * 2021-10-22 2023-07-11 中铝矿业有限公司 Oxalate Removal Process of Seed Separation Mother Liquor by Bayer Process
CN116640936B (en) * 2023-05-25 2024-07-16 中铝郑州有色金属研究院有限公司 A method for producing high-grade vanadium concentrate
CN120385543B (en) * 2025-06-30 2025-09-30 中国科学院精密测量科学与技术创新研究院 Method and device for removing oxalic acid and ferric oxalate complex in molten liquid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3370017A (en) * 1963-07-30 1968-02-20 Du Pont Microcrystalline corundum powder, sols thereof, and processes for preparing both
HU166060B (en) * 1973-04-09 1975-01-28
CA1285373C (en) * 1984-06-25 1991-07-02 Jean Fabre Bayer cycle sodium aluminate solution purification through elimination of sodium oxalates
AT389884B (en) * 1986-10-03 1990-02-12 Treibacher Chemische Werke Ag METHOD FOR PRODUCING A Sintered Abrasive Material Based On Alpha-Al2o3
JP2639121B2 (en) * 1989-08-25 1997-08-06 三菱マテリアル株式会社 Method for producing fine α-alumina powder

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU669576B2 (en) * 1992-11-17 1996-06-13 Bhp Billiton Worsley Alumina Pty Ltd Hydrate precipitation and oxalate removal
WO2000056660A1 (en) * 1999-03-19 2000-09-28 Worsley Alumina Pty. Ltd. Process for the removal of oxalate and/or sulphate from bayer liquors
AU768730B2 (en) * 1999-03-19 2004-01-08 South32 Worsley Alumina Pty Ltd Process for the removal of oxalate and/or sulphate from bayer liquors
US6743403B1 (en) 1999-03-19 2004-06-01 Worsley Alumina Pty. Ltd. Process for the removal of oxalate and/or sulphate from Bayer liquors
US7244404B2 (en) 1999-03-19 2007-07-17 Worsley Alumina Pty. Ltd. Process for the removal of oxalate and/or sulphate from bayer liquors
WO2002083564A1 (en) * 2001-04-11 2002-10-24 Worsley Alumina Pty Ltd Process for the removal of anionic impurities from caustic aluminate solutions
US7691348B2 (en) 2001-04-11 2010-04-06 Bhp Billiton Worsley Alumina Pty Ltd. Process for the removal of anionic impurities from caustic aluminate solutions

Also Published As

Publication number Publication date
EP0555163B1 (en) 1995-04-26
DE69300121D1 (en) 1995-06-01
EP0555163A1 (en) 1993-08-11
BR9300494A (en) 1993-08-10
FR2686872B1 (en) 1994-06-03
AU648215B2 (en) 1994-04-14
HRP930104A2 (en) 1994-08-31
FR2686872A1 (en) 1993-08-06
DE69300121T2 (en) 1995-08-31
HRP930104B1 (en) 1998-10-31
CN1076427A (en) 1993-09-22
GR3015945T3 (en) 1995-07-31
OA09774A (en) 1993-11-30
ES2071533T3 (en) 1995-06-16
CN1033379C (en) 1996-11-27

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