CA2000515A1 - Extraction de l'alumine, a partir de la bauxite - Google Patents

Extraction de l'alumine, a partir de la bauxite

Info

Publication number
CA2000515A1
CA2000515A1 CA2000515A CA2000515A CA2000515A1 CA 2000515 A1 CA2000515 A1 CA 2000515A1 CA 2000515 A CA2000515 A CA 2000515A CA 2000515 A CA2000515 A CA 2000515A CA 2000515 A1 CA2000515 A1 CA 2000515A1
Authority
CA
Canada
Prior art keywords
liquor
liquors
red mud
bauxite
alumina
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
CA2000515A
Other languages
English (en)
Other versions
CA2000515C (fr
Inventor
Gillian Mary Moody
Christine Anne Rushforth
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.)
Ciba Specialty Chemicals Water Treatments Ltd
Original Assignee
Allied Colloids Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10645236&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2000515(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Allied Colloids Ltd filed Critical Allied Colloids Ltd
Publication of CA2000515A1 publication Critical patent/CA2000515A1/fr
Application granted granted Critical
Publication of CA2000515C publication Critical patent/CA2000515C/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
    • 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
    • C01F7/0646—Separation of the insoluble residue, e.g. of red mud
    • C01F7/0653—Separation of the insoluble residue, e.g. of red mud characterised by the flocculant added to the slurry

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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Treatment Of Sludge (AREA)
CA002000515A 1988-10-14 1989-10-12 Extraction de l'alumine, a partir de la bauxite Expired - Fee Related CA2000515C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8824176.5 1988-10-14
GB888824176A GB8824176D0 (en) 1988-10-14 1988-10-14 Recovery of alumina from bauxite

Publications (2)

Publication Number Publication Date
CA2000515A1 true CA2000515A1 (fr) 1990-04-14
CA2000515C CA2000515C (fr) 2000-01-25

Family

ID=10645236

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002000515A Expired - Fee Related CA2000515C (fr) 1988-10-14 1989-10-12 Extraction de l'alumine, a partir de la bauxite

Country Status (8)

Country Link
US (1) US5008089A (fr)
EP (1) EP0367437B1 (fr)
AU (1) AU625642B2 (fr)
CA (1) CA2000515C (fr)
DE (1) DE68902625T2 (fr)
ES (1) ES2034647T3 (fr)
GB (1) GB8824176D0 (fr)
HU (1) HU204734B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091159A (en) * 1991-06-10 1992-02-25 Nalco Chemical Company Use of dextran as a filtration aid for thickener overflow filtration in Kelly filters in the Bayer process

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2042219T3 (es) * 1989-10-13 1993-12-01 Alcan International Limited Procedimiento y aparato para la decantacion de suspensiones.
US5080803A (en) * 1989-10-13 1992-01-14 Alcan International Limited Process for decantation of suspensions
US5043077A (en) * 1989-12-11 1991-08-27 Alcan International Limited Treatment of bayer process red mud slurries
US5106599A (en) * 1990-02-06 1992-04-21 Nalco Chemical Company Alumina crystal growth additive
ES2103299T3 (es) * 1990-06-25 1997-09-16 Nalco Australia Pty Limited Modificacion de crecimiento cristalino.
US5118484A (en) * 1990-08-17 1992-06-02 Alcan International Limited Desilication of bayer process solutions
US5387405A (en) * 1992-03-25 1995-02-07 Nalco Chemical Company Bayer liquor polishing
US5217620A (en) * 1992-11-23 1993-06-08 Nalco Chemical Company Clarification aid for the Bayer process
FR2708587B1 (fr) * 1993-07-29 1995-09-01 Snf Sa Procédé pour fluidifier les suspensions aqueuses de boues rouges dans la fabrication de l'alumine par la technique Bayer .
US5346628A (en) * 1993-10-29 1994-09-13 Nalco Chemical Company Polymers for flocculating red mud from bayer process liquors
US5711923A (en) * 1994-03-25 1998-01-27 Nalco Chemical Company Hydroxymethyl diphosphonated polyacrylates for red mud treatment
US5534235A (en) * 1995-09-05 1996-07-09 Nalco Chemical Company Polymers containing phosphonic acid groups for the treatment of red mud in the Bayer process
US5679221A (en) * 1994-08-26 1997-10-21 Westvaco Corporation Method for aluminum reduction in recycled pulp and paper
US5478477A (en) * 1994-11-04 1995-12-26 Nalco Chemical Company Use of alginates to treat bauxite red mud
AU707514B2 (en) * 1995-04-05 1999-07-15 Nalco Chemical Company Biopolymer use as a sand filter aid
US6210585B1 (en) 1995-07-26 2001-04-03 Nalco Chemical Company Fatty acid free latex polymer flocculants
US5837215A (en) * 1995-07-26 1998-11-17 Nalco Chemical Company Method of removing insoluble materials from bayer process with fatty acid and fatty acid free polymer flocculants
US5951955A (en) * 1995-11-07 1999-09-14 Cytec Technology Corp. Concentration of solids in the Bayer process
US5853677A (en) * 1996-04-26 1998-12-29 Cytec Technology Corp. Concentration of solids by flocculating in the Bayer process
AUPP084997A0 (en) * 1997-12-11 1998-01-08 Nalco Chemical Company Improvements relating to the bayer process
US6048463A (en) * 1997-12-12 2000-04-11 Nalco Chemical Company Water continuous methyl acrylate emulsion polymer combinations and methyl acrylate emulsion homopolymers for improved flocculation of red mud in the bayer process
US6086771A (en) * 1997-12-12 2000-07-11 Nalco Chemical Company Water continuous emulsion polymers for improving scale control in the bayer process
US6036869A (en) * 1997-12-12 2000-03-14 Nalco Chemical Company Water continuous methyl acrylate emulsion polymers for improved flocculation of red mud in the Bayer process
AUPP370498A0 (en) * 1998-05-25 1998-06-18 Nalco Chemical Company Dextran, starch and flocculant combination for improving red mud clarification
AU755418B2 (en) * 1998-05-25 2002-12-12 Nalco Chemical Company Dextran, starch and flocculant combination for improving red mud clarification
US6726845B1 (en) 1998-05-25 2004-04-27 Ondeo Nalco Company Dextran starch and flocculant combination for improving red mud clarification
US6372882B1 (en) 2000-04-03 2002-04-16 Nalco Chemical Company Method for producing substantially dry water-insoluble polymers for improved flocculation in the bayer process
US8971913B2 (en) * 2003-06-27 2015-03-03 Qualcomm Incorporated Method and apparatus for wireless network hybrid positioning
CN101538058B (zh) * 2008-03-19 2010-12-29 中国科学院过程工程研究所 低温低压水化学法回收赤泥中氧化铝和氧化钠
US8252266B2 (en) * 2010-08-09 2012-08-28 Nalco Company Recovery of alumina trihydrate during the bayer process using scleroglucan
US8298508B2 (en) 2010-08-09 2012-10-30 Nalco Company Recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides
US9199855B2 (en) 2010-08-09 2015-12-01 Nalco Company Chemical treatment to improve red mud separation and washing in the bayer process
US9102995B2 (en) 2010-08-09 2015-08-11 Nalco Company Cross-linked ethylsulfonated dihydroxypropyl cellulose
US9174852B2 (en) 2010-08-09 2015-11-03 Nalco Company Methods to improve filtration for the Bayer process
AU2011301134B2 (en) * 2010-09-06 2015-05-07 Alcoa Of Australia Limited Method of increasing the stability of a bayer process liquor
BR112013023907A2 (pt) 2011-03-18 2019-09-24 Orbite Aluminae Inc processo de recuperação de ao menos um elemento terra-rara a partir de um material contendo alumínio
EP3141621A1 (fr) 2011-05-04 2017-03-15 Orbite Aluminae Inc. Procédés de récupération de terres rares dans divers minerais
US9150428B2 (en) 2011-06-03 2015-10-06 Orbite Aluminae Inc. Methods for separating iron ions from aluminum ions
AU2012308068B2 (en) 2011-09-16 2015-02-05 Aem Technologies Inc. Processes for preparing alumina and various other products
CN104302791B (zh) 2012-01-10 2017-03-15 奥佰特氧化铝有限公司 用于处理赤泥的方法
US9181603B2 (en) 2012-03-29 2015-11-10 Orbite Technologies Inc. Processes for treating fly ashes
US9533891B2 (en) 2012-04-26 2017-01-03 Showa Denko K.K. Washing method of goethite-containing red mud
CN102718238A (zh) * 2012-06-21 2012-10-10 中国铝业股份有限公司 一种拜耳法赤泥的洗涤沉降分离方法
MY175471A (en) 2012-07-12 2020-06-29 Orbite Tech Inc Processes for preparing titanium oxide and various other products
JP2015535886A (ja) 2012-09-26 2015-12-17 オーバイト アルミナ インコーポレイテッドＯｒｂｉｔｅ Ａｌｕｍｉｎａｅ Ｉｎｃ． 種々の材料のＨＣｌ浸出によるアルミナおよび塩化マグネシウムを調製するためのプロセス
CN104768627B (zh) * 2012-10-29 2017-03-22 纳尔科公司 用于改进拜耳法的过滤的方法
CA2891427C (fr) 2012-11-14 2016-09-20 Orbite Aluminae Inc. Procede de purification d'ions aluminium
WO2014105484A1 (fr) * 2012-12-28 2014-07-03 Nalco Company Traitement chimique améliorant la séparation et le lavage des boues rouges dans le procédé bayer
US10427950B2 (en) * 2015-12-04 2019-10-01 Ecolab Usa Inc. Recovery of mining processing product using boronic acid-containing polymers
US12145856B2 (en) 2021-02-12 2024-11-19 Ecolab Usa Inc. Purification of ores using boronic acid-functional compounds
CN115448339A (zh) * 2022-08-29 2022-12-09 中铝郑州有色金属研究院有限公司 一种粗液净化药剂及其制备方法和在氧化铝生产过程中的应用方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3085853A (en) * 1958-12-23 1963-04-16 Dow Chemical Co Method of employing dextrans
US3397953A (en) * 1965-03-04 1968-08-20 Atlas Chem Ind Flocculating agent
US3390959A (en) * 1965-04-30 1968-07-02 Nalco Chemical Co Process of making alumina
US3445187A (en) * 1966-05-25 1969-05-20 Nalco Chemical Co Process for separation of red mud from dissolved alumina
CA825234A (en) * 1966-06-06 1969-10-14 G. Flock Howard Flocculation and filtration of alumina trihydrate
GB1154993A (en) * 1967-01-18 1969-06-11 Colonial Sugar Refining Co Improvements in a process for the preparation of High Viscosity Gums
US3541009A (en) * 1968-12-18 1970-11-17 Nalco Chemical Co Polymer-polysaccharide-caustic alkali compositions and process of separating solids from aqueous suspensions therewith
US3681012A (en) * 1969-06-17 1972-08-01 Nalco Chemical Co Process for making alumina
JPS4929080B1 (fr) * 1970-08-24 1974-08-01
GB1439057A (en) * 1973-10-10 1976-06-09 Allied Colloids Ltd Flocculating agents for alkaline systems
US4545902A (en) * 1984-09-17 1985-10-08 Nalco Chemical Company Flocculants for bauxite (red mud)
US4608237A (en) * 1985-04-24 1986-08-26 Nalco Chemical Company Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation
GB8519107D0 (en) * 1985-07-29 1985-09-04 Allied Colloids Ltd Flocculation process
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091159A (en) * 1991-06-10 1992-02-25 Nalco Chemical Company Use of dextran as a filtration aid for thickener overflow filtration in Kelly filters in the Bayer process

Also Published As

Publication number Publication date
US5008089A (en) 1991-04-16
CA2000515C (fr) 2000-01-25
GB8824176D0 (en) 1988-11-23
EP0367437B1 (fr) 1992-08-26
AU4289589A (en) 1990-04-26
HU895636D0 (en) 1990-01-28
HU204734B (en) 1992-02-28
DE68902625T2 (de) 1993-04-15
HUT55318A (en) 1991-05-28
AU625642B2 (en) 1992-07-16
EP0367437A1 (fr) 1990-05-09
ES2034647T3 (es) 1993-04-01
DE68902625D1 (de) 1992-10-01

Similar Documents

Publication Publication Date Title
CA2000515A1 (fr) Extraction de l'alumine, a partir de la bauxite
AU619149B2 (en) Process for producing alumina from bauxite
CA2228052A1 (fr) Procede de conditionnement du kaolinton avant elimination des impuretes
US5091159A (en) Use of dextran as a filtration aid for thickener overflow filtration in Kelly filters in the Bayer process
BR9006293A (pt) Processos para tratar uma pasta de lama vermelha produzida em um processo bayer e para recuperar valores de alumina a partir de bauxita pelo processo bayer,e pasta de lama vermelha do processo bayer
ES8701689A1 (es) Procedimiento para realizar un cebado en dos tiempos desti- nado a la obtencion,con gran productividad,de alumina de granos gruesos
AU563304B2 (en) Soz leach to recover soda and alumina from red mud with recycle to bayer process
IE811647L (en) Alumina recovery.
AU5234593A (en) Trihydrate crystal modifier for the Bayer process
DE3665702D1 (en) Clarification of bayer process liquors
Moody et al. Recovery of alumina from bauxite
Cresswell et al. A hydrothermal process for recovery of soda and alumina from red mud
IE851086L (en) Removal of organics from bayer process streams
EP0211338A3 (fr) Procédé de préparation d'oxyde d'aluminium
AU575013B2 (en) Purifying bayer process caustic liquors
Moody et al. Recovery of Alumina Trihydrate in the Bayer Process
US4026989A (en) Process for the digestion of goethite-containing bauxites
RU92007413A (ru) Способ производства глинозема из нефелинового концентрата
GB1045545A (en) Improvements in or relating to alumina extraction processes
GB1320096A (en) Treatment of sewage digester supernatant
Bleier Speciality Chemicals for Improving Bauxite and Alumina Processing
CA2295650A1 (fr) Procede ameliore de separation d'acide terephtalique pur
Cosoric et al. The Influence of Lime on the Leaching of Boehmitic Bauxite
Lamerant Process for treating bauxites containing a mixture of alumina trihydrate and alumina monohydrate
Zambo et al. Main Trends of the Development in the European Alumina Production

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed