DE69614818D1 - Flüssige reinigungszusammensetzung - Google Patents

Flüssige reinigungszusammensetzung

Info

Publication number
DE69614818D1
DE69614818D1 DE69614818T DE69614818T DE69614818D1 DE 69614818 D1 DE69614818 D1 DE 69614818D1 DE 69614818 T DE69614818 T DE 69614818T DE 69614818 T DE69614818 T DE 69614818T DE 69614818 D1 DE69614818 D1 DE 69614818D1
Authority
DE
Germany
Prior art keywords
cleaning composition
liquid cleaning
liquid
composition
cleaning
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
DE69614818T
Other languages
English (en)
Other versions
DE69614818T2 (de
Inventor
Arnaud Soirat
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 DE69614818D1 publication Critical patent/DE69614818D1/de
Application granted granted Critical
Publication of DE69614818T2 publication Critical patent/DE69614818T2/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DE69614818T 1995-07-20 1996-07-16 Flüssige reinigungszusammensetzung Expired - Lifetime DE69614818T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9509040A FR2736908B1 (fr) 1995-07-20 1995-07-20 Procede d'epuration des solutions d'aluminate de sodium contenant de l'oxalate de sodium
PCT/FR1996/001104 WO1997003924A1 (fr) 1995-07-20 1996-07-16 Procede d'epuration des solutions d'aluminate de sodium contenant de l'oxalate de sodium

Publications (2)

Publication Number Publication Date
DE69614818D1 true DE69614818D1 (de) 2001-10-04
DE69614818T2 DE69614818T2 (de) 2002-04-04

Family

ID=9481369

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69614818T Expired - Lifetime DE69614818T2 (de) 1995-07-20 1996-07-16 Flüssige reinigungszusammensetzung

Country Status (11)

Country Link
US (1) US5888461A (de)
EP (1) EP0782544B1 (de)
AU (1) AU700993B2 (de)
BR (1) BR9606529A (de)
CA (1) CA2199059C (de)
DE (1) DE69614818T2 (de)
ES (1) ES2161369T3 (de)
FR (1) FR2736908B1 (de)
HU (1) HU220533B1 (de)
OA (1) OA10405A (de)
WO (1) WO1997003924A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9726117D0 (en) * 1997-12-11 1998-02-11 Isis Innovation Process for producing alumina
FR2785895B1 (fr) * 1998-11-16 2001-01-19 Pechiney Aluminium Procede d'epuration des liqueurs d'aluminate de sodium contenant de l'oxalate de sodium permettant d'augmenter la quantite d'hydrate d'alumine produit
AUPP933499A0 (en) * 1999-03-19 1999-04-15 Worsley Alumina Pty Ltd Process for the removal of oxalate and/or sulphate from bayer liquors
FR2794449B1 (fr) * 1999-06-04 2001-10-19 Pechiney Aluminium Procede d'epuration des liqueurs d'aluminate de sodium contenant de l'oxalate de sodium permettant de valoriser les residus
AUPQ889100A0 (en) * 2000-07-20 2000-08-10 Worsley Alumina Pty Ltd Improved process for filter aid production in alumina refineries
AUPR437001A0 (en) * 2001-04-11 2001-05-17 Worsley Alumina Pty Ltd Process for the removal of anionic impurities from caustic aluminate solutions
US20070036701A1 (en) * 2005-08-11 2007-02-15 Huege Fred R Treatment of high sulfate containing quicklime
CN101734697B (zh) * 2009-12-14 2011-12-28 中铝国际技术发展有限公司 在氢氧化铝洗液中添加石灰乳苛化消除有机物的方法
CN102070167B (zh) * 2010-12-15 2012-11-07 中国铝业股份有限公司 一种单晶型氢氧化铝的生产方法
CN102390851A (zh) * 2011-08-18 2012-03-28 中国铝业股份有限公司 一种高白氢氧化铝的生产方法
BR112020016418A2 (pt) * 2018-02-23 2020-12-15 Rio Tinto Alcan International Limited Processo bayer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832442A (en) * 1970-10-20 1974-08-27 Kaiser Aluminium Chem Corp Method for producing alumina hydrates
US4263261A (en) * 1978-12-21 1981-04-21 Sumitomo Aluminium Smelting Company, Limited Method for the removal of impurities from sodium aluminate solution
US4275043A (en) * 1979-01-31 1981-06-23 Alcan Research And Development Limited Removal of oxalate from bayer process liquor
DE3214422A1 (de) * 1982-04-20 1983-10-27 Alcoa Chemie GmbH, 6700 Ludwigshafen Verfahren zur gewinnungs von feuerfest-rohstoffen bei gleichzeitiger entfernung von organischen substanzen aus kreislauflaugen des bayer-verfahrens
IE851086L (en) * 1984-05-03 1985-11-03 Du Pont Uk Removal of organics from bayer process streams
US4578255A (en) * 1984-12-27 1986-03-25 Kaiser Aluminum Chemical Corporation Purification of Bayer process liquors
US4915930A (en) * 1986-07-31 1990-04-10 Aluminum Company Of America Process for producing aluminum hydroxide of improved whiteness
US5093092A (en) * 1991-02-28 1992-03-03 Aluminum Company Of America Purification of bayer process liquor with alumina coated with a layer or carbon
FR2686872B1 (fr) * 1992-02-05 1994-06-03 Pechiney Aluminium Procede d'elimination de l'oxalate de sodium des solutions d'aluminate de sodium du cycle bayer.
US5385586A (en) * 1993-03-24 1995-01-31 Nalco Chemical Company Liquor oxalate stabilizers
US5728180A (en) * 1996-06-25 1998-03-17 Aluminum Company Of America Adsorbent combinations for enhanced removal of sodium oxalate from bayer process spent liquor

Also Published As

Publication number Publication date
FR2736908B1 (fr) 1997-08-29
FR2736908A1 (fr) 1997-01-24
HUP9702302A2 (hu) 1998-08-28
HUP9702302A3 (en) 1998-12-28
AU6617996A (en) 1997-02-18
WO1997003924A1 (fr) 1997-02-06
OA10405A (fr) 2001-12-05
EP0782544B1 (de) 2001-08-29
DE69614818T2 (de) 2002-04-04
HU220533B1 (hu) 2002-03-28
CA2199059C (fr) 2008-10-14
AU700993B2 (en) 1999-01-14
ES2161369T3 (es) 2001-12-01
EP0782544A1 (de) 1997-07-09
US5888461A (en) 1999-03-30
CA2199059A1 (fr) 1997-02-06
BR9606529A (pt) 1997-10-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition