BR8800540A - Processo aperfeicoado para remover solidos suspensos do circuito de alumina bayer - Google Patents

Processo aperfeicoado para remover solidos suspensos do circuito de alumina bayer

Info

Publication number
BR8800540A
BR8800540A BR8800540A BR8800540A BR8800540A BR 8800540 A BR8800540 A BR 8800540A BR 8800540 A BR8800540 A BR 8800540A BR 8800540 A BR8800540 A BR 8800540A BR 8800540 A BR8800540 A BR 8800540A
Authority
BR
Brazil
Prior art keywords
alays
suspended solids
remove suspended
perfect process
bayer circuit
Prior art date
Application number
BR8800540A
Other languages
English (en)
Inventor
Wei S Yen
Donald Paul Spitzer
Original Assignee
American Cyanamid 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21760238&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8800540(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Publication of BR8800540A publication Critical patent/BR8800540A/pt

Links

Classifications

    • 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
    • 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

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)
  • Chemical Kinetics & Catalysis (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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BR8800540A 1987-02-11 1988-02-10 Processo aperfeicoado para remover solidos suspensos do circuito de alumina bayer BR8800540A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/013,491 US4767540A (en) 1987-02-11 1987-02-11 Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams

Publications (1)

Publication Number Publication Date
BR8800540A true BR8800540A (pt) 1988-09-27

Family

ID=21760238

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8800540A BR8800540A (pt) 1987-02-11 1988-02-10 Processo aperfeicoado para remover solidos suspensos do circuito de alumina bayer

Country Status (12)

Country Link
US (1) US4767540A (pt)
EP (1) EP0314855B1 (pt)
JP (1) JP2584469B2 (pt)
AU (1) AU600087B2 (pt)
BR (1) BR8800540A (pt)
CA (1) CA1334562C (pt)
DE (1) DE3875061T2 (pt)
ES (1) ES2043690T3 (pt)
HU (1) HU206067B (pt)
IE (1) IE62420B1 (pt)
SU (1) SU1687029A3 (pt)
YU (1) YU46251B (pt)

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US6608137B1 (en) 1991-05-23 2003-08-19 Cytec Technology Corp. Microdispersions of hydroxamated polymers
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US5360600A (en) * 1993-09-02 1994-11-01 Cytec Technology Corp. Treatment of mineral and alkali metal carbonate slurries
US5368745A (en) * 1993-09-02 1994-11-29 Cytec Technology Corp. Method of flocculating low metal oxide content solids in a liquid
US5405898A (en) * 1993-10-07 1995-04-11 Nalco Chemical Company Hydroxylamine modified lower acrylate ester latices
US5346628A (en) * 1993-10-29 1994-09-13 Nalco Chemical Company Polymers for flocculating red mud from bayer process liquors
US5395897A (en) * 1994-01-18 1995-03-07 Nalco Chemical Company High molecular weight substituted amides from polycarboxylic acids
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
UA41905C2 (uk) 1994-06-06 2001-10-15 Сайтек Текнолоджі Корп. Спосіб виготовлення глинозему за методом бауера
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US5478477A (en) * 1994-11-04 1995-12-26 Nalco Chemical Company Use of alginates to treat bauxite red mud
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US5869542A (en) * 1995-06-07 1999-02-09 Cytec Technology Corp. Spray drying of polymer-containing dispersions, water-in-oil emulsions and microemulsions and dry polymer products formed thereby
US5849862A (en) * 1995-06-07 1998-12-15 Cytec Technology Corp. Processes of spray drying polymer-containing dispersions, water-in-oil emulsions and water-in-oil microemulsions
US6313199B1 (en) * 1995-06-07 2001-11-06 Cytec Technology Corp. Spray drying of polymer-containing dispersions, water-in-oil emulsions and water-in-oil microemulsions, and dry polymer products formed thereby
US5656175A (en) * 1995-07-05 1997-08-12 Cytec Technology Corp. Recovery of metal oxides from a slurry
BR9611355A (pt) * 1995-11-07 1999-03-30 Cytec Tech Corp Processo para o aumento da eficiência de separação de sólidos/líquidos em correntes de alumina bayer por centrigugação
EP0859745A1 (en) * 1995-11-07 1998-08-26 Cytec Technology Corp. Reduction of impurities in bayer process alumina trihydrate
US5951955A (en) * 1995-11-07 1999-09-14 Cytec Technology Corp. Concentration of solids in the Bayer process
US5688403A (en) * 1996-02-29 1997-11-18 Cytec Technology Corp. Removal of metal ions from solution
MY118983A (en) * 1996-04-01 2005-02-28 Cytec Tech Corp Method of making polymers containing hydroxamate functional groups
US5853677A (en) * 1996-04-26 1998-12-29 Cytec Technology Corp. Concentration of solids by flocculating in the Bayer process
US5733460A (en) * 1996-04-29 1998-03-31 Cytec Technology Corp. Use of hydroxamated polymers to alter Bayer Process scale
US5733459A (en) * 1996-04-29 1998-03-31 Cytec Technology Corp. Use of hydroxamated polymers to alter bayer process scale
US5922794A (en) * 1997-03-26 1999-07-13 General Electric Company Compositions stabilized with tertiary amine oxides
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
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
US6726845B1 (en) 1998-05-25 2004-04-27 Ondeo Nalco Company Dextran starch and flocculant combination for improving red mud clarification
ES2317703T3 (es) * 1998-09-25 2009-04-16 Bhp Billiton Worsley Alumina Pty Ltd Proceso para la caustificacion de lejias bayer.
US6077486A (en) * 1999-03-25 2000-06-20 Cytec Technology Corp. Process for purifying alumina by mixing a Bayer process stream containing sodium aluminate with amidoxime polymer to reduce the level of iron
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
US6669852B2 (en) * 2000-10-30 2003-12-30 Showa Denko Kabushiki Kaisha Separation method of goethite-containing red mud
JP2002137919A (ja) * 2000-10-30 2002-05-14 Showa Denko Kk ゲーサイトを含む赤泥の分離方法
US7138472B2 (en) * 2001-01-29 2006-11-21 Nalco Company High molecular weight polymers containing pendant salicylic acid groups for clarifying bayer process liquors
US6527959B1 (en) 2001-01-29 2003-03-04 Ondeo Nalco Company Method of clarifying bayer process liquors using salicylic acid containing polymers
US7153436B2 (en) * 2003-02-13 2006-12-26 Patrick W Bair Method for enhancing cyclonic vessel efficiency with polymeric additives
AU2006100744C4 (en) * 2003-05-07 2007-08-02 Ciba Specialty Chemicals Water Treatments Limited Treatment of Aqueous Suspensions
AU2011213769A1 (en) * 2003-05-07 2011-09-15 Ciba Specialty Chemicals Water Treatments Limited Treatment of Aqueous Suspensions
GB0310419D0 (en) * 2003-05-07 2003-06-11 Ciba Spec Chem Water Treat Ltd Treatment of aqueous suspensions
US8971913B2 (en) * 2003-06-27 2015-03-03 Qualcomm Incorporated Method and apparatus for wireless network hybrid positioning
EP1850938B1 (en) * 2005-02-25 2017-08-16 Cytec Technology Corp. Water-in-oil-in water emulsions of hydroxamated polymers and methods for using the same
WO2007015872A1 (en) 2005-07-20 2007-02-08 Bridgestone Corporation Amine functionalized polymers
KR101461678B1 (ko) * 2006-02-09 2014-11-13 페블 베드 모듈러 리엑터 에스오씨 엘티디. 페블 베드 원자로를 구비한 원자력 발전소
AP2481A (en) * 2007-04-20 2012-09-28 Cytec Tech Corp Use of silicon-containing polymers to improve red mud flocculation in the bayer process
AU2013201696B2 (en) * 2007-04-20 2014-03-27 Cytec Technology Corp. Use of silicon-containing polymers to improve red mud flocculation in the Bayer process
RU2509056C2 (ru) * 2008-10-17 2014-03-10 Сайтек Текнолоджи Корп. Использование кремнийсодержащих полимеров для интенсификации флоккуляции твердых частиц в процессах производства глинозема из бокситов
EP2477707B8 (en) 2009-09-15 2017-07-26 Suncor Energy Inc. Process for drying fine tailings
CN102596351B (zh) 2009-09-15 2015-07-29 顺科能源公司 对油砂熟化细尾矿进行絮凝和脱水的方法
US9068776B2 (en) 2009-10-30 2015-06-30 Suncor Energy Inc. Depositing and farming methods for drying oil sand mature fine tailings
AP2012006426A0 (en) * 2010-02-12 2012-08-31 Cytec Tech Corp Flocculant compositions containing silicon-containing polymers
CA2705055C (en) * 2010-05-20 2015-11-03 Suncor Energy Inc. Method and device for in-line injection of flocculent agent into a fluid flow of mature fine tailings
US9199855B2 (en) 2010-08-09 2015-12-01 Nalco Company Chemical treatment to improve red mud separation and washing in the bayer process
EP2655249A1 (en) 2010-12-21 2013-10-30 Cytec Technology Corp. Processes for removing hydrazine form hydroxylamine solutions
US8685256B2 (en) 2010-12-21 2014-04-01 Cytec Technology Corp. Microdispersions of hydroxamated polymers and methods of making and using them
CN103819592B (zh) * 2014-03-05 2015-12-02 中南大学 一种有效沉降分离高硅高铁型拜耳法赤泥的絮凝剂的制备方法
US10301414B2 (en) 2014-12-08 2019-05-28 Cytec Industries Inc. Silicon containing polymer flocculants
US10427950B2 (en) 2015-12-04 2019-10-01 Ecolab Usa Inc. Recovery of mining processing product using boronic acid-containing polymers
RU2717813C1 (ru) * 2016-06-07 2020-03-25 Сайтек Индастриз Инк. Кремнийсодержащие полимерные флокулянты
US20180230061A1 (en) * 2017-02-10 2018-08-16 Cytec Industries Inc. Binder formulations and uses thereof for forming agglomerated products of particulate material
FR3082197B1 (fr) * 2018-06-08 2021-04-23 Coatex Sas Recyclage d'eau dans un derive minier

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Also Published As

Publication number Publication date
DE3875061D1 (de) 1992-11-05
JP2584469B2 (ja) 1997-02-26
JPS63248717A (ja) 1988-10-17
YU25388A (en) 1989-12-31
DE3875061T2 (de) 1993-03-25
AU1149488A (en) 1988-08-18
HU206067B (en) 1992-08-28
IE62420B1 (en) 1995-01-25
EP0314855A3 (en) 1991-04-03
SU1687029A3 (ru) 1991-10-23
EP0314855B1 (en) 1992-09-30
CA1334562C (en) 1995-02-28
YU46251B (sh) 1993-05-28
EP0314855A2 (en) 1989-05-10
US4767540A (en) 1988-08-30
ES2043690T3 (es) 1994-01-01
IE880359L (en) 1988-08-11
HUT46285A (en) 1988-10-28
AU600087B2 (en) 1990-08-02

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FF Decision: intention to grant
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 10/02/2003