FR2581054B1 - Procede pour reduire le pourcentage de cristaux de trihydrate d'alumine de diametre inferieur a 200 microns obtenus a partir des liqueurs du procede bayer et procede d'extraction des cristaux d'oxalate de sodium a partir de ces memes liqueurs epuisees - Google Patents

Procede pour reduire le pourcentage de cristaux de trihydrate d'alumine de diametre inferieur a 200 microns obtenus a partir des liqueurs du procede bayer et procede d'extraction des cristaux d'oxalate de sodium a partir de ces memes liqueurs epuisees

Info

Publication number
FR2581054B1
FR2581054B1 FR8604582A FR8604582A FR2581054B1 FR 2581054 B1 FR2581054 B1 FR 2581054B1 FR 8604582 A FR8604582 A FR 8604582A FR 8604582 A FR8604582 A FR 8604582A FR 2581054 B1 FR2581054 B1 FR 2581054B1
Authority
FR
France
Prior art keywords
liquors
crystals
percentage
reducing
diameter less
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 - Fee Related
Application number
FR8604582A
Other languages
English (en)
Other versions
FR2581054A1 (fr
Inventor
J. Roe Et Jacqueline L. Perisho William
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.)
ChampionX LLC
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of FR2581054A1 publication Critical patent/FR2581054A1/fr
Application granted granted Critical
Publication of FR2581054B1 publication Critical patent/FR2581054B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • C01F7/145—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process characterised by the use of a crystal growth modifying agent other than aluminium hydroxide seed
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
FR8604582A 1985-04-24 1986-04-01 Procede pour reduire le pourcentage de cristaux de trihydrate d'alumine de diametre inferieur a 200 microns obtenus a partir des liqueurs du procede bayer et procede d'extraction des cristaux d'oxalate de sodium a partir de ces memes liqueurs epuisees Expired - Fee Related FR2581054B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72654485A 1985-04-24 1985-04-24
US06/797,717 US4608237A (en) 1985-04-24 1985-11-13 Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation

Publications (2)

Publication Number Publication Date
FR2581054A1 FR2581054A1 (fr) 1986-10-31
FR2581054B1 true FR2581054B1 (fr) 1994-02-04

Family

ID=27111341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8604582A Expired - Fee Related FR2581054B1 (fr) 1985-04-24 1986-04-01 Procede pour reduire le pourcentage de cristaux de trihydrate d'alumine de diametre inferieur a 200 microns obtenus a partir des liqueurs du procede bayer et procede d'extraction des cristaux d'oxalate de sodium a partir de ces memes liqueurs epuisees

Country Status (11)

Country Link
US (1) US4608237A (fr)
AU (1) AU575765B2 (fr)
BR (1) BR8601795A (fr)
CA (1) CA1232118A (fr)
DE (1) DE3609662C2 (fr)
ES (1) ES8707871A1 (fr)
FR (1) FR2581054B1 (fr)
GB (1) GB2174380B (fr)
IE (1) IE58658B1 (fr)
IT (1) IT1209974B (fr)
NL (1) NL8600969A (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767540A (en) * 1987-02-11 1988-08-30 American Cyanamid Company Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams
US4737352A (en) * 1987-04-09 1988-04-12 Nalco Chemical Company Use of surfactants in alumina precipitation in the bayer process
AU607014B2 (en) * 1987-10-30 1991-02-21 Alcoa Of Australia Limited Crystallisation of sodium oxalates
AU613758B2 (en) * 1988-06-03 1991-08-08 Vereinigte Aluminium-Werke Aktiengesellschaft Method for removing sodium oxalate from caustic aluminate liquors
GB8824176D0 (en) * 1988-10-14 1988-11-23 Allied Colloids Ltd Recovery of alumina from bauxite
GB8907995D0 (en) * 1989-04-10 1989-05-24 Allied Colloids Ltd Recovery of alumina trihydrate in the bayer process
US5106599A (en) * 1990-02-06 1992-04-21 Nalco Chemical Company Alumina crystal growth additive
EP0465055B1 (fr) * 1990-06-25 1997-04-16 Nalco Australia Pty. Limited Modification de la croissance de cristaux
DE4039053A1 (de) * 1990-12-07 1992-06-11 Henkel Kgaa Polyglycerine im bayer-prozess
GB9201583D0 (en) * 1992-01-24 1992-03-11 Allied Colloids Ltd Water soluble polymers
DE69308777T2 (de) * 1992-12-14 1997-07-31 Nalco Chemical Co Änderung der Trihydrat-Kristalle im Bayer-Verfahren
US5385586A (en) * 1993-03-24 1995-01-31 Nalco Chemical Company Liquor oxalate stabilizers
CA2126914A1 (fr) * 1993-06-30 1994-12-31 Gillain Mary Moody Production d'alumine
CA2195448A1 (fr) * 1994-08-12 1996-02-22 Cytec Technology Corp. Procede de stabilisation des boues
US5539046A (en) * 1994-11-04 1996-07-23 Cytec Technology Corp. Blends of hydroxamated polymer emulsions with polyacrylate emulsions
DE10113294A1 (de) * 2001-03-16 2002-09-19 Stockhausen Chem Fab Gmbh Bildung von Aluminiumoxidhydrat-haltigen Kristallen aus kaustischen Mutterlaugen
US7976821B2 (en) * 2005-06-23 2011-07-12 Nalco Company Composition and method for improved aluminum hydroxide production
US7976820B2 (en) * 2005-06-23 2011-07-12 Nalco Company Composition and method for improved aluminum hydroxide production
US8282689B2 (en) 2009-07-01 2012-10-09 Nalco Company Composition and method for enhancing the production of crystal agglomerates from a precipitation liquor
US10427950B2 (en) 2015-12-04 2019-10-01 Ecolab Usa Inc. Recovery of mining processing product using boronic acid-containing polymers
CN109292804A (zh) * 2018-12-03 2019-02-01 广西华银铝业有限公司 一种氧化铝生产中草酸盐的去除方法
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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397953A (en) * 1965-03-04 1968-08-20 Atlas Chem Ind Flocculating agent
JPS4837678B1 (fr) * 1969-04-17 1973-11-13
JPS4929080B1 (fr) * 1970-08-24 1974-08-01
JPS53400B2 (fr) * 1972-12-06 1978-01-07
DE2518431C3 (de) * 1975-04-25 1982-02-04 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfarhen zur Entfernung der schädlichen organischen Verbindungen aus der bei der Tonerdegewinnung nach dem Bayer-Verfarhen anfallenden Aluminatlauge
FR2317226A1 (fr) * 1975-07-07 1977-02-04 Alcan Res & Dev Perfectionnements a la production d'alumine
US4263261A (en) * 1978-12-21 1981-04-21 Sumitomo Aluminium Smelting Company, Limited Method for the removal of impurities from sodium aluminate solution
US4275042A (en) * 1980-01-22 1981-06-23 Alcan Research And Development Limited Removal of oxalate from Bayer process liquor
AU536264B2 (en) * 1980-07-23 1984-05-03 Cytec Technology Corp. Process for alumina recovery
US4478795A (en) * 1982-10-18 1984-10-23 Diamond Shamrock Chemicals Company Aluminum trihydroxide deliquoring with anionic polymers
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
US4578255A (en) * 1984-12-27 1986-03-25 Kaiser Aluminum Chemical Corporation Purification of Bayer process liquors

Also Published As

Publication number Publication date
GB2174380B (en) 1989-06-28
ES8707871A1 (es) 1987-09-01
IE860900L (en) 1986-10-24
DE3609662A1 (de) 1986-10-30
FR2581054A1 (fr) 1986-10-31
AU5646686A (en) 1986-10-30
GB2174380A (en) 1986-11-05
CA1232118A (fr) 1988-02-02
ES554032A0 (es) 1987-09-01
DE3609662C2 (de) 1994-12-08
AU575765B2 (en) 1988-08-04
GB8607828D0 (en) 1986-04-30
IE58658B1 (en) 1993-11-03
NL8600969A (nl) 1986-11-17
BR8601795A (pt) 1986-12-23
IT8647896A0 (it) 1986-04-16
IT1209974B (it) 1989-08-30
US4608237A (en) 1986-08-26

Similar Documents

Publication Publication Date Title
FR2581054B1 (fr) Procede pour reduire le pourcentage de cristaux de trihydrate d'alumine de diametre inferieur a 200 microns obtenus a partir des liqueurs du procede bayer et procede d'extraction des cristaux d'oxalate de sodium a partir de ces memes liqueurs epuisees
FR2642414B1 (fr) Procede de fabrication d'agglomeres d'alumine active, agglomeres obtenus par le procede et dispositif pour sa mise en oeuvre
FR2360515A1 (fr) Procede pour extraire l'alumine de silicates d'aluminium
BR9300494A (pt) Processo de eliminacao do oxalato de sodio em pelo menos uma fracao da solucao ou licor de aluminato de sodio retirada no ciclo bayer de producao de alumina a partir de bauxita
MA21503A1 (fr) Procede pour l'elimination des metaux lourds partienlier du cadminum, des solutions contenant de l'acide perosphorique.
FR2728556B1 (fr) Procede d'elimination du fer dans les liqueurs d'aluminate de sodium issues de l'attaque alcaline de bauxite a monohydrate d'alumine
GB1529405A (en) Bayer process for producing hydrated alumina
FR2534898B1 (fr) Procede d'obtention de trihydroxyde d'aluminium de diametre median regle a la demande dans l'intervalle de 2 a 100 microns
BE876360A (fr) Procede continu d'obtention d'alumine pure a partir d'une liqueur acide provenant de l'attaque chlorosulfurique d'un minerai alumineux et de purification de la liqueur debarrassee de l'alumine
FR2506333B1 (fr) Procede pour eliminer les metaux alcalins et alcalino-terreux contenus en impuretes dans l'aluminium fondu et appareillage pour sa mise en oeuvre
FR2499057B1 (fr) Procede pour l'elimination des impuretes contenues dans de l'alumine, dans les installations de production d'aluminium
FR2533590B1 (fr) Procede de preparation electrolytique d'aluminium a partir de chlorure d'aluminium
ES8603349A1 (es) Un perfeccionamiento en el procedimiento "bayer"para formar alumina
FR2480797B1 (fr) Procede pour colorer electrolytiquement l'aluminium et ses alliages
FR2620461B1 (fr) Procede de raffinage d'alliages d'aluminium
FR2566444B1 (fr) Procede de realisation de parois a partir d'elements parallelepipediques et dispositif pour la mise en oeuvre de ce procede
FR2533233B1 (fr) Procede de recuperation de metaux a partir de solutions diluees de leurs sels et disposif pour sa mise en oeuvre
BR9505597A (pt) Processo para a precipitação de tri-hidróxido de alumínio a partir de uma solução supersaturada de aluminato de sódio
OA07487A (fr) Procédé de production d'un trihydroxyde d'aluminium de grosse granulométrie
ATE62005T1 (de) Verfahren zur herstellung feinverteilter dispersionen von metalloxiden in aluminiumhydroxid.
FR2577614B1 (fr) Procede de stockage sous forme chimique d'une energie mecanique ou thermique et de recuperation sous forme mecanique d'une partie au moins de ladite energie stockee et installation pour la mise en oeuvre de ce procede
Cosoric et al. The Influence of Lime on the Leaching of Boehmitic Bauxite
FR2603034B1 (fr) Procede de recuperation du gallium contenu dans une solution d'aluminate de sodium
Lyapunov et al. Determination of the Specific Surface of Gibbsite Seed as a Technological Index of the Aluminate Liquor Decomposition Process
Hollanders Calcination of sodium oxalate/bauxite mixtures

Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse