ES2047848T3 - Recuperacion de trihidrato de alumina en el procedimiento de bayer. - Google Patents

Recuperacion de trihidrato de alumina en el procedimiento de bayer.

Info

Publication number
ES2047848T3
ES2047848T3 ES90303790T ES90303790T ES2047848T3 ES 2047848 T3 ES2047848 T3 ES 2047848T3 ES 90303790 T ES90303790 T ES 90303790T ES 90303790 T ES90303790 T ES 90303790T ES 2047848 T3 ES2047848 T3 ES 2047848T3
Authority
ES
Spain
Prior art keywords
alumina trihydrate
trihydrate recovery
bayer
bayer procedure
procedure
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
ES90303790T
Other languages
English (en)
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=10654726&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2047848(T3) "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
Application granted granted Critical
Publication of ES2047848T3 publication Critical patent/ES2047848T3/es
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
    • C01F7/04—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
    • C01F7/148—Separation of the obtained hydroxide, e.g. by filtration or dewatering
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Removal Of Specific Substances (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Cosmetics (AREA)
  • Detergent Compositions (AREA)

Abstract

EN EL PROCESO DE BAYER PARA LA PRODUCCION DE TRIHIDRATO DE ALUMINA DE ALUMINIO, SE FORMAN CRISTALES EN EL LICOR IMPREGNANTE Y SE FLOCULAN USANDO UNA COMBINACION DE DEXTRAN Y POLIMERO SINTETICO, HABITUALMENTE HOMO O COPOLIMERO DE UN ACIDO ACRILICO. EL PROCESO ES PARTICULARMENTE VENTAJOSO CUNADO EL LICOR CONTIENE COMPONENTES ORGANICOS TALES COMO EL HUMATO Y/O EL OXALATO.
ES90303790T 1989-04-10 1990-04-09 Recuperacion de trihidrato de alumina en el procedimiento de bayer. Expired - Lifetime ES2047848T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898907995A GB8907995D0 (en) 1989-04-10 1989-04-10 Recovery of alumina trihydrate in the bayer process

Publications (1)

Publication Number Publication Date
ES2047848T3 true ES2047848T3 (es) 1994-03-01

Family

ID=10654726

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90303790T Expired - Lifetime ES2047848T3 (es) 1989-04-10 1990-04-09 Recuperacion de trihidrato de alumina en el procedimiento de bayer.

Country Status (7)

Country Link
US (1) US5041269A (es)
EP (1) EP0392779B1 (es)
AU (1) AU632801B2 (es)
CA (1) CA2014262A1 (es)
DE (1) DE69005349D1 (es)
ES (1) ES2047848T3 (es)
GB (1) GB8907995D0 (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU633726B2 (en) * 1990-06-25 1993-02-04 Nalco Australia Pty. Limited Polysaccharide or polysaccharide graft co-polymer as a crystal growth modifier for alumina trihydrate
DE69125659T2 (de) * 1990-06-25 1997-07-31 Nalco Australia Modifikation der Kristallzüchtung
US5217620A (en) * 1992-11-23 1993-06-08 Nalco Chemical Company Clarification aid for the Bayer process
US5286391A (en) * 1993-02-04 1994-02-15 Nalco Chemical Company Red mud flocculation
US5601726A (en) * 1994-06-06 1997-02-11 Cytec Technology Corp. Hydroxameted polymers in the bayer process to reduce solids
AU707514B2 (en) * 1995-04-05 1999-07-15 Nalco Chemical Company Biopolymer use as a sand filter aid
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
US6210585B1 (en) 1995-07-26 2001-04-03 Nalco Chemical Company Fatty acid free latex polymer flocculants
AUPP084997A0 (en) * 1997-12-11 1998-01-08 Nalco Chemical Company Improvements relating to the bayer process
US8971913B2 (en) * 2003-06-27 2015-03-03 Qualcomm Incorporated Method and apparatus for wireless network hybrid positioning
CN101128244B (zh) * 2005-02-25 2010-09-29 Cytec技术有限公司 异羟肟酸化聚合物的水包油包水乳液及其使用方法
US20080107578A1 (en) * 2006-11-07 2008-05-08 Jing Wang The recovery of alumina trihydrate during the bayer process using a water continuous polymer
US9199855B2 (en) 2010-08-09 2015-12-01 Nalco Company Chemical treatment to improve red mud separation and washing in the bayer process
US8252266B2 (en) 2010-08-09 2012-08-28 Nalco Company Recovery of alumina trihydrate during the bayer process using scleroglucan
US9102995B2 (en) 2010-08-09 2015-08-11 Nalco Company Cross-linked ethylsulfonated dihydroxypropyl cellulose
US8298508B2 (en) 2010-08-09 2012-10-30 Nalco Company Recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides
WO2012031316A1 (en) * 2010-09-06 2012-03-15 Alcoa Of Australia Limited Method of increasing the stability of a bayer process liquor
US8926939B2 (en) * 2013-03-13 2015-01-06 Ecolab Usa Inc. Neopolyols suitable for crystal growth modification in the Bayer process
US10427950B2 (en) 2015-12-04 2019-10-01 Ecolab Usa Inc. Recovery of mining processing product using boronic acid-containing polymers
CN111148722A (zh) 2017-09-26 2020-05-12 埃科莱布美国股份有限公司 用于铝土矿选矿的方法和组合物
US12497671B2 (en) 2018-09-24 2025-12-16 Ecolab Usa Inc. Methods and compositions for pre-extractive beneficiation of ores
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
CN116802152A (zh) 2021-02-12 2023-09-22 埃科莱布美国股份有限公司 使用硼酸官能化化合物纯化铝土矿矿石

Family Cites Families (10)

* 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
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
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
US4608237A (en) * 1985-04-24 1986-08-26 Nalco Chemical Company Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation

Also Published As

Publication number Publication date
AU632801B2 (en) 1993-01-14
EP0392779A1 (en) 1990-10-17
EP0392779B1 (en) 1993-12-22
US5041269A (en) 1991-08-20
AU5310690A (en) 1990-10-11
DE69005349D1 (de) 1994-02-03
CA2014262A1 (en) 1990-10-10
GB8907995D0 (en) 1989-05-24

Similar Documents

Publication Publication Date Title
ES2047848T3 (es) Recuperacion de trihidrato de alumina en el procedimiento de bayer.
ES2074586T3 (es) Metodo de fabricar hilos cuanticos de silicio.
ES2045106T3 (es) Composiciones de blanqueo.
SE8403487D0 (sv) Farmaceutisk komposition
ES8800899A1 (es) Procedimiento para preparar derivados de amidoinzol y amidoinzadol
BR8601795A (pt) Processo para reduzir a porcentagem de cristais de triidrato de alumina com um diametro inferior a 200 microns e processo para remover cristais de oxalato de sodio de licores do processo bayer,gastos
ES2109545T3 (es) Benzoilguanidina sustituida, procedimiento para su preparacion, su uso como medicamento o agente de diagnostico asi como el medicamento que la contiene.
IE901851L (en) Quinoline derivatives
IT1040006B (it) Processo e apparecchio per la preparazione di dispersioni di polimero con basso contenuto di monomero
IE44868L (en) Improving flammability retardancy
NO875290L (no) Fremgangsmaate for oligomerisering av lette olefiner.
ES2062282T3 (es) Proceso de racemizacion de esteres del acido carboxilico opticamente activos.
KR910009270A (ko) 15-케토-프로스타글란딘 화합물을 이용한 심기능장애의 치료방법
TR23890A (tr) Saf asit borik üretimine mahsus usul.
ES478331A1 (es) Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina.
ES2056331T3 (es) Procedimiento para la racemizacion de esteres del acido 4-fenilbutanoico opticamente activos.
CA921047A (en) PROCESS FOR THE CATALYTIC MIXED OLIGOMERIZATION OF 1,3-DIOLEFINS WITH .alpha.-UNSATURATED ORGANIC COMPOUNDS
IT8383443A0 (it) Perfezionamenti al procedimento di giunzione meccanica di fili tessili, nonche' dispositivo adottante tali perfezionamenti.
DK500887D0 (da) Stabilt hydrat af et penicillinderivat og fremgangsmaade til fremstilling deraf
ATE72976T1 (de) 4-amino-6,7-dimethoxy-2-(6,7-dimethoxy-1,2,3,4tetrahydroiso-quinol-2-yl)quinoline zur (behandlung von herz-arrythmien).
JPS5379860A (en) Preparation of 1-acyl-3-indolinone derivs.
IT1015148B (it) Processo per la preparazione di carbone attivo
JPS5324427A (en) Production of carbon fibers
RU1581046C (ru) Органический сцинтилл тор
GB1348420A (en) Acrylonitrile polymers

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 392779

Country of ref document: ES