BR0116829A - Método para flocular sólidos em suspensão em um lìquido de processo bayer - Google Patents

Método para flocular sólidos em suspensão em um lìquido de processo bayer

Info

Publication number
BR0116829A
BR0116829A BR0116829-0A BR0116829A BR0116829A BR 0116829 A BR0116829 A BR 0116829A BR 0116829 A BR0116829 A BR 0116829A BR 0116829 A BR0116829 A BR 0116829A
Authority
BR
Brazil
Prior art keywords
bayer process
process liquid
suspended solids
flocculating suspended
flocculating
Prior art date
Application number
BR0116829-0A
Other languages
English (en)
Inventor
Murat Quadir
Everett C Phillips
Larry E Brammer Jr
Robert P Mahoney
John L Kildea
Manian Ramesh
John T Malito
Original Assignee
Ondeo Nalco 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 Ondeo Nalco Co filed Critical Ondeo Nalco Co
Publication of BR0116829A publication Critical patent/BR0116829A/pt

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

"MéTODO PARA FLOCULAR SóLIDOS EM SUSPENSãO EM UM LìQUIDO DE PROCESSO BAYER". Um método para flocular sólidos em suspensão em um líquido de processo Bayer que compreende adicionar ao líquido uma quantidade eficaz de um polímero que compreenda grupos de ácido salicílico.
BR0116829-0A 2001-01-29 2001-12-11 Método para flocular sólidos em suspensão em um lìquido de processo bayer BR0116829A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/771,844 US6527959B1 (en) 2001-01-29 2001-01-29 Method of clarifying bayer process liquors using salicylic acid containing polymers
PCT/US2001/048585 WO2002060555A1 (en) 2001-01-29 2001-12-11 Method of clarifying bayer process liquors using salicylic acid containing polymers

Publications (1)

Publication Number Publication Date
BR0116829A true BR0116829A (pt) 2004-02-03

Family

ID=25093110

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0116829-0A BR0116829A (pt) 2001-01-29 2001-12-11 Método para flocular sólidos em suspensão em um lìquido de processo bayer

Country Status (9)

Country Link
US (1) US6527959B1 (pt)
EP (1) EP1363716B1 (pt)
CN (1) CN1248762C (pt)
AU (1) AU2002232607B2 (pt)
BR (1) BR0116829A (pt)
DE (1) DE60136222D1 (pt)
ES (1) ES2313997T3 (pt)
RU (1) RU2309123C2 (pt)
WO (1) WO2002060555A1 (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7138472B2 (en) * 2001-01-29 2006-11-21 Nalco Company High molecular weight polymers containing pendant salicylic acid groups for clarifying bayer process liquors
AU2004201502A1 (en) * 2003-10-09 2005-04-28 Ashland Licensing And Intellectual Property Llc Process for reducing contaminants in process water and/or condensate
US7264729B2 (en) * 2003-10-09 2007-09-04 Ashland Licensing And Intellectual Property Llc Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina
DE102004017034A1 (de) * 2004-04-02 2005-10-20 Stockhausen Chem Fab Gmbh Verwendung von Copolymerisaten zur Verringerung von Ausfällungen und Belägen durch anorganische und organische Verunreinigungen im Bayer Prozess zur Gewinnung von Aluminiumhydroxid
RU2415694C2 (ru) * 2005-02-25 2011-04-10 Сайтек Текнолоджи Корп. Эмульсии типа "вода в масле в воде" гидроксаматных полимеров и способы их применения
AU2005248963A1 (en) * 2005-05-24 2006-12-14 Ashland Licensing And Intellectual Property Llc Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina
US20060278358A1 (en) * 2005-06-02 2006-12-14 Hildebrand Lynn N Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina
US8236185B2 (en) * 2006-03-23 2012-08-07 J.I. Enterprises, Inc. Methods for using sulfidized red mud
US20080107578A1 (en) * 2006-11-07 2008-05-08 Jing Wang The recovery of alumina trihydrate during the bayer process using a water continuous polymer
RU2429207C2 (ru) 2007-04-20 2011-09-20 Сайтек Текнолоджи Корп. Применение кремнийсодержащих полимеров для улучшения флоккуляции красного шлама в процессе байера
US8445723B2 (en) * 2008-08-19 2013-05-21 Nalco Company Processes for producing N-alkyl (alkyl)acrylamides
CA2740842C (en) * 2008-10-17 2017-12-05 Cytec Technology Corp. Use of silicon-containing polymers for improved flocculation of solids in processes for the production of alumina from bauxite
US8920768B2 (en) * 2013-03-14 2014-12-30 Ecolab Usa Inc. Crystallization aids for bayer aluminum hydroxide
US10427950B2 (en) * 2015-12-04 2019-10-01 Ecolab Usa Inc. Recovery of mining processing product using boronic acid-containing polymers
ES2856096T3 (es) 2016-10-12 2021-09-27 Construction Research & Technology Gmbh Copolímeros adecuados para plastificar sistemas de aglutinante inorgánico
AU2018339457B2 (en) 2017-09-26 2023-11-09 Ecolab Usa Inc. Methods and compositions for bauxite beneficiation
CN115093513B (zh) * 2022-07-25 2024-05-14 山东诺尔生物科技有限公司 制备赤泥沉降用絮凝剂的组合物、赤泥沉降用絮凝剂及其制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390959A (en) 1965-04-30 1968-07-02 Nalco Chemical Co Process of making alumina
US4169824A (en) 1977-06-22 1979-10-02 Nalco Chemical Company Red mud treatment
US4678585A (en) 1981-12-30 1987-07-07 American Cyanamid Company Process for alumina recovery
US4545902A (en) 1984-09-17 1985-10-08 Nalco Chemical Company Flocculants for bauxite (red mud)
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
US5270382A (en) * 1992-04-24 1993-12-14 Phillips Petroleum Company Compositions and applications thereof of water-soluble copolymers comprising an ampholytic imidazolium inner salt
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
US5696228A (en) 1996-10-03 1997-12-09 Cytec Technology Corp. Process for producing substantially dry polymer particles from aqueous dispersions
ATE238353T1 (de) * 1997-10-16 2003-05-15 Hymo Corp Verfahren zur herstellung von wasserlöslichen polymer dispersionen
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
US6086771A (en) 1997-12-12 2000-07-11 Nalco Chemical Company Water continuous emulsion polymers for improving scale control in 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

Also Published As

Publication number Publication date
WO2002060555A1 (en) 2002-08-08
AU2002232607B2 (en) 2007-04-05
ES2313997T3 (es) 2009-03-16
EP1363716A4 (en) 2005-02-02
DE60136222D1 (de) 2008-11-27
US6527959B1 (en) 2003-03-04
RU2309123C2 (ru) 2007-10-27
CN1531452A (zh) 2004-09-22
EP1363716B1 (en) 2008-10-15
EP1363716A1 (en) 2003-11-26
RU2003123111A (ru) 2005-01-20
CN1248762C (zh) 2006-04-05

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NALCO COMPANY (US)

Free format text: ALTERADO DE: ONDEO NALCO COMPANY

B25G Requested change of headquarter approved

Owner name: NALCO COMPANY (US)

Free format text: ALTERADA A SEDE DO TITULAR CONFORME REQUERIDO NA PETICAO NO 057664/RJ DE 02/12/2004.

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements