DE602005001855D1 - Abtrennung von natriumoxalat aus einer bayer-lauge - Google Patents

Abtrennung von natriumoxalat aus einer bayer-lauge

Info

Publication number
DE602005001855D1
DE602005001855D1 DE602005001855T DE602005001855T DE602005001855D1 DE 602005001855 D1 DE602005001855 D1 DE 602005001855D1 DE 602005001855 T DE602005001855 T DE 602005001855T DE 602005001855 T DE602005001855 T DE 602005001855T DE 602005001855 D1 DE602005001855 D1 DE 602005001855D1
Authority
DE
Germany
Prior art keywords
lauge
bayer
separation
sodium oxalate
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.)
Active
Application number
DE602005001855T
Other languages
English (en)
Other versions
DE602005001855T2 (de
Inventor
Linda Jane Mccausland
Martin Fennell
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.)
Prosonix Ltd
Original Assignee
Accentus Medical PLC
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 Accentus Medical PLC filed Critical Accentus Medical PLC
Publication of DE602005001855D1 publication Critical patent/DE602005001855D1/de
Application granted granted Critical
Publication of DE602005001855T2 publication Critical patent/DE602005001855T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0018—Evaporation of components of the mixture to be separated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Treatment Of Sludge (AREA)
  • Physical Water Treatments (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE602005001855T 2004-03-06 2005-03-03 Abtrennung von natriumoxalat aus einer bayer-lauge Active DE602005001855T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0405108 2004-03-06
GBGB0405108.2A GB0405108D0 (en) 2004-03-06 2004-03-06 Removal of sodium oxalate from a bayer liquor
PCT/GB2005/000812 WO2005085136A1 (en) 2004-03-06 2005-03-03 Removal of sodium oxalate from a bayer liquor

Publications (2)

Publication Number Publication Date
DE602005001855D1 true DE602005001855D1 (de) 2007-09-13
DE602005001855T2 DE602005001855T2 (de) 2008-04-10

Family

ID=32088862

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005001855T Active DE602005001855T2 (de) 2004-03-06 2005-03-03 Abtrennung von natriumoxalat aus einer bayer-lauge

Country Status (15)

Country Link
US (1) US20090087360A1 (de)
EP (1) EP1723077B1 (de)
JP (1) JP2007527355A (de)
CN (1) CN100548885C (de)
AP (1) AP2006003749A0 (de)
AT (1) ATE368633T1 (de)
AU (1) AU2005219639B2 (de)
BR (1) BRPI0508420A (de)
CA (1) CA2556665A1 (de)
DE (1) DE602005001855T2 (de)
ES (1) ES2287907T3 (de)
GB (1) GB0405108D0 (de)
RU (1) RU2006135229A (de)
WO (1) WO2005085136A1 (de)
ZA (1) ZA200606787B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0524823D0 (en) * 2005-12-06 2006-01-11 Accentus Plc Removal of contaminants from a bayer liquor
WO2008144838A1 (en) * 2007-05-31 2008-12-04 Commonwealth Scientific And Industrial Research Organisation Method for treating residue from a bayer process
CN101462114B (zh) * 2007-12-17 2010-10-13 贵阳铝镁设计研究院 一种氧化铝生产中换热器中草酸钠结晶的处理方法
CN101575111B (zh) * 2008-05-08 2011-04-06 沈阳铝镁设计研究院 一种铝酸钠溶液中草酸盐的去除系统及方法
CN105480994B (zh) * 2014-09-18 2017-05-10 沈阳铝镁设计研究院有限公司 一种高效的细种子洗涤富集草酸盐的方法
FI20146163A (fi) * 2014-12-30 2016-07-01 Lappeenrannan Teknillinen Yliopisto Menetelmä ja laite jatkuvatoimiseen kiteytykseen ja niiden käyttö
DE102016008296B4 (de) * 2016-07-05 2020-02-20 Technische Universität Bergakademie Freiberg Verfahren und Vorrichtung zur Sonokristallisation
CN111905398A (zh) * 2020-06-26 2020-11-10 中国轻工业长沙工程有限公司 一种连续结晶生产镍钴盐、铵盐的工艺
CN112299461B (zh) * 2020-11-08 2023-03-24 湖南诺兰蒂尔环保科技有限公司 一种铝酸钠溶液中草酸盐排除装置及工艺
CN114655972B (zh) * 2022-04-27 2023-10-27 云南省生态环境科学研究院 拜耳法氧化铝溶液有机物高效脱除的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA728668B (en) * 1972-12-07 1974-07-31 African Explosives & Chem Improvements in the manufacture of safety fuse
US4275042A (en) * 1980-01-22 1981-06-23 Alcan Research And Development Limited Removal of oxalate from Bayer process liquor
GB2306202B (en) * 1995-10-05 1999-04-14 British Nuclear Fuels Plc An ultrasonic apparatus
GB9827360D0 (en) * 1998-12-12 1999-02-03 Aea Technology Plc Process and apparatus for irradiating fluids
AUPP933499A0 (en) * 1999-03-19 1999-04-15 Worsley Alumina Pty Ltd Process for the removal of oxalate and/or sulphate from bayer liquors
BR0209433A (pt) * 2001-05-05 2004-08-03 Accentus Plc Método para realizar cristalização, e, aparelho
JP4329936B2 (ja) * 2002-05-31 2009-09-09 プロソニックス リミテッド 高強度超音波使用による結晶性物質の製造

Also Published As

Publication number Publication date
CN1930086A (zh) 2007-03-14
CA2556665A1 (en) 2005-09-15
ES2287907T3 (es) 2007-12-16
WO2005085136A1 (en) 2005-09-15
AU2005219639A1 (en) 2005-09-15
DE602005001855T2 (de) 2008-04-10
AP2006003749A0 (en) 2006-10-31
CN100548885C (zh) 2009-10-14
EP1723077B1 (de) 2007-08-01
ATE368633T1 (de) 2007-08-15
EP1723077A1 (de) 2006-11-22
JP2007527355A (ja) 2007-09-27
BRPI0508420A (pt) 2007-07-24
GB0405108D0 (en) 2004-04-07
US20090087360A1 (en) 2009-04-02
RU2006135229A (ru) 2008-04-20
AU2005219639B2 (en) 2011-01-20
ZA200606787B (en) 2007-12-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: ADVOTEC. PATENT- UND RECHTSANWAELTE, 57234 WILNSDO

8327 Change in the person/name/address of the patent owner

Owner name: PROSONIX LTD., LONDON, GB