ES2043690T3 - Polimeros que contienen grupos de acido hidroxamico para reduccion de solidos en suspension en flujo de elaboracion del procedimiento bayer. - Google Patents

Polimeros que contienen grupos de acido hidroxamico para reduccion de solidos en suspension en flujo de elaboracion del procedimiento bayer.

Info

Publication number
ES2043690T3
ES2043690T3 ES88100433T ES88100433T ES2043690T3 ES 2043690 T3 ES2043690 T3 ES 2043690T3 ES 88100433 T ES88100433 T ES 88100433T ES 88100433 T ES88100433 T ES 88100433T ES 2043690 T3 ES2043690 T3 ES 2043690T3
Authority
ES
Spain
Prior art keywords
elaboration
solids
suspension
reduction
flow
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
ES88100433T
Other languages
English (en)
Inventor
Wei S Yen
Donald Paul Spitzer
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.)
Wyeth Holdings LLC
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=ES2043690(T3) "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
Application granted granted Critical
Publication of ES2043690T3 publication Critical patent/ES2043690T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)

Abstract

LOS SOLIDOS SUSPENDIDOS CONTENIDOS DE LA CORRIENTE DE PROECSO BAYER ES REDUCIDA POR CONTACTAR DICHA CORRIENTE CON UN POLIMERO QUE CONTIENE GRUPOS ACIDOS HIDROXAMINICOS.
ES88100433T 1987-02-11 1988-01-14 Polimeros que contienen grupos de acido hidroxamico para reduccion de solidos en suspension en flujo de elaboracion del procedimiento bayer. Expired - Lifetime ES2043690T3 (es)

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
ES2043690T3 true ES2043690T3 (es) 1994-01-01

Family

ID=21760238

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88100433T Expired - Lifetime ES2043690T3 (es) 1987-02-11 1988-01-14 Polimeros que contienen grupos de acido hidroxamico para reduccion de solidos en suspension en flujo de elaboracion del procedimiento bayer.

Country Status (12)

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

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8824176D0 (en) * 1988-10-14 1988-11-23 Allied Colloids Ltd Recovery of alumina from bauxite
AU634504B2 (en) * 1988-11-25 1993-02-25 Curtin University Of Technology Foam control
US5093091A (en) * 1988-12-19 1992-03-03 American Cyanamid Company Method of removing iron from concentrated alum solutions
US5066387A (en) * 1990-04-09 1991-11-19 J & S Medical Associates, Inc. Process for removing fine particles from a powder
US5256331A (en) * 1991-05-23 1993-10-26 American Cyanamid Company Water-in-oil emulsions containing hydroxylamine
DE69231528T2 (de) * 1991-05-23 2001-03-15 Cytec Technology Corp., Wilmington Stabilisierung von wässrigen Lösungen wasserlöslicher Polymere in Gegenwart von Hydroxylamin
US6608137B1 (en) * 1991-05-23 2003-08-19 Cytec Technology Corp. Microdispersions of hydroxamated polymers
ES2088044T5 (es) * 1991-05-23 2001-02-16 Cytec Tech Corp Microdispersiones de polimeros hidroxamatados.
AU643899B2 (en) * 1991-07-24 1993-11-25 Nalco Chemical Company Hydroxamic acid containing polymers used as corrosion inhibitors
US5383269A (en) * 1991-09-03 1995-01-24 Microelectronics And Computer Technology Corporation Method of making three dimensional integrated circuit interconnect module
CA2105333A1 (en) * 1992-09-14 1994-03-15 Robert P. Mahoney Trihydrate clarification aid for the bayer process
ATE149971T1 (de) * 1992-12-14 1997-03-15 Nalco Chemical Co Änderung der trihydrat-kristalle im bayer- verfahren
AU669284B2 (en) * 1993-06-02 1996-05-30 Nalco Chemical Company Use of hydroxamic acid containing polymers to improve filtration of settler overflow in Kelly filters in the Bayer process
US5368745A (en) * 1993-09-02 1994-11-29 Cytec Technology Corp. Method of flocculating low metal oxide content solids in a liquid
US5360600A (en) * 1993-09-02 1994-11-01 Cytec Technology Corp. Treatment of mineral and alkali metal carbonate slurries
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
CA2150899A1 (en) * 1994-06-06 1995-12-07 J. Kevin Loucks Use of anionic flocculants and hydroxamated polymers as bayer process red mud flocculants
US5601726A (en) * 1994-06-06 1997-02-11 Cytec Technology Corp. Hydroxameted polymers in the bayer process to reduce solids
EP0775094B1 (en) * 1994-08-12 1999-01-27 Cytec Technology Corp. A method of stabilizing slurries
US5478477A (en) * 1994-11-04 1995-12-26 Nalco Chemical Company Use of alginates to treat bauxite red mud
US5539046A (en) * 1994-11-04 1996-07-23 Cytec Technology Corp. Blends of hydroxamated polymer emulsions with polyacrylate emulsions
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
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
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
US6011089A (en) * 1995-06-07 2000-01-04 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
US5951955A (en) * 1995-11-07 1999-09-14 Cytec Technology Corp. Concentration of solids in the Bayer process
WO1997017293A1 (en) * 1995-11-07 1997-05-15 Cytec Technology Corp. Reduction of impurities in bayer process alumina trihydrate
EP0859744A1 (en) * 1995-11-07 1998-08-26 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
US5733459A (en) * 1996-04-29 1998-03-31 Cytec Technology Corp. Use of hydroxamated polymers to alter bayer process scale
US5733460A (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
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
US6726845B1 (en) 1998-05-25 2004-04-27 Ondeo Nalco Company Dextran starch and flocculant combination for improving red mud clarification
CN1269737C (zh) * 1998-09-25 2006-08-16 沃斯利矾土控股有限公司 稳定水铝钙石类物质的方法
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
US6527959B1 (en) 2001-01-29 2003-03-04 Ondeo Nalco Company Method of clarifying bayer process liquors using salicylic acid containing polymers
US7138472B2 (en) * 2001-01-29 2006-11-21 Nalco Company High molecular weight polymers containing pendant salicylic acid groups for clarifying bayer process liquors
US20030027964A1 (en) * 2001-01-29 2003-02-06 Murat Quadir High molecular weight polymers containing pendant salicylic acid groups
US7153436B2 (en) * 2003-02-13 2006-12-26 Patrick W Bair Method for enhancing cyclonic vessel efficiency with polymeric additives
GB0310419D0 (en) * 2003-05-07 2003-06-11 Ciba Spec Chem Water Treat Ltd Treatment of aqueous suspensions
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
US8971913B2 (en) * 2003-06-27 2015-03-03 Qualcomm Incorporated Method and apparatus for wireless network hybrid positioning
BRPI0609046A2 (pt) * 2005-02-25 2010-11-16 Cytec Tech Corp método para floculação e separação de sólidos suspensos de uma corrente de processo industrial contendo sólidos suspensos, e, composição
EP1913036B1 (en) 2005-07-20 2013-03-06 Bridgestone Corporation Amine functionalized polymers
JP5389452B2 (ja) * 2006-02-09 2014-01-15 ペブル ベッド モジュラー リアクター（プロプリエタリー） リミテッド 原子力発電所及び原子力発電所を操作する方法
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
EP3486216A1 (en) 2007-04-20 2019-05-22 Cytec Technology Corp. Use of silicon-containing polymers to improve red mud flocculation in the bayer process
EP2346786B1 (en) * 2008-10-17 2015-09-16 Cytec Technology Corporation Use of silicon-containing polymers for improved flocculation of solids in processes for the production of alumina from bauxite
CA3050234C (en) 2009-09-15 2022-11-08 Suncor Energy Inc. Techniques for flocculating and dewatering fine tailings
US9404686B2 (en) 2009-09-15 2016-08-02 Suncor Energy Inc. Process for dying oil sand mature fine tailings
CA2735330C (en) 2009-10-30 2015-06-02 Suncor Energy Inc. Depositing and farming methods for drying fine tailings
AU2011216040B2 (en) * 2010-02-12 2014-06-26 Cytec Technology 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
AU2011349525B2 (en) 2010-12-21 2015-05-21 Cytec Technology Corp. Microdispersions of hydroxamated polymers and methods of making and using them
UA109689C2 (uk) 2010-12-21 2015-09-25 Спосіб діставання гідразину з розчинів гідроксиламіну
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
US12145856B2 (en) 2021-02-12 2024-11-19 Ecolab Usa Inc. Purification of ores using boronic acid-functional compounds
EP4477678B1 (en) * 2023-06-13 2025-12-24 ITS Water Group SA Hydroxamic acid-modified emulsion composition based on polyacrylamide and the method for preparing thereof

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3345344A (en) 1961-09-08 1967-10-03 Nopco Chem Co Process for conversion of amidoxime polymers to polyhydroxamic acids using aqueous hydrochloric acid solutions
US3390959A (en) * 1965-04-30 1968-07-02 Nalco Chemical Co Process of making alumina
US3681012A (en) * 1969-06-17 1972-08-01 Nalco Chemical Co Process for making alumina
JPS4918558B1 (es) 1970-06-13 1974-05-10
CS153794B1 (es) * 1970-07-02 1974-03-29
JPS4929080B1 (es) * 1970-08-24 1974-08-01
AU476896B2 (en) * 1972-10-13 1975-04-10 N.B. Love Industries Pty. Limited Starch process
GB1439057A (en) * 1973-10-10 1976-06-09 Allied Colloids Ltd Flocculating agents for alkaline systems
SU507526A1 (ru) 1974-06-21 1976-03-25 Институт Химии Ан Узбекской Сср Способ отстаивани красного шлама
JPS5432458B2 (es) 1974-11-26 1979-10-15
US4083925A (en) 1976-03-22 1978-04-11 Martin Marietta Aluminum, Inc. Method for removing ferrous iron from alkali metal aluminate liquor
JPS5692116A (en) 1979-12-26 1981-07-25 Kurita Water Ind Ltd Settling agent for red mud
GB2070108B (en) * 1980-02-14 1984-02-08 Elf Aquitaine Drilling and/or completion muds
AU536264B2 (en) * 1980-07-23 1984-05-03 Cytec Technology Corp. Process for alumina recovery
CA1176031A (en) 1980-07-23 1984-10-16 American Cyanamid Company Process for alumina recovery
FR2533572A1 (fr) * 1982-09-28 1984-03-30 Elf Aquitaine Perfectionnements a la preparation de polymeres a fonctions hydroxamiques, nouveaux polymeres obtenus et leurs applications
FR2536383A1 (fr) 1982-11-24 1984-05-25 Elf Aquitaine Procede et produit pour l'empechement de l'entartrage par des eaux
FR2538717B1 (fr) * 1982-12-31 1987-09-11 Elf Aquitaine Procede et produit pour l'inhibition du depot d'argiles dans de l'eau
US4545902A (en) * 1984-09-17 1985-10-08 Nalco Chemical Company Flocculants for bauxite (red mud)
US4629556A (en) * 1984-11-29 1986-12-16 Thiele Kaolin Company Purification of kaolin clay by froth flotation using hydroxamate collectors
FR2577568B1 (fr) 1985-02-19 1987-12-18 Coatex Sa Agent fluidifiant non polluant pour fluides de forage a base d'eau douce ou saline
US4608237A (en) * 1985-04-24 1986-08-26 Nalco Chemical Company Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation
US4717550A (en) * 1986-10-09 1988-01-05 American Cyanamid Company Process for purifying alumina

Also Published As

Publication number Publication date
HU206067B (en) 1992-08-28
YU25388A (en) 1989-12-31
CA1334562C (en) 1995-02-28
EP0314855A3 (en) 1991-04-03
JP2584469B2 (ja) 1997-02-26
HUT46285A (en) 1988-10-28
YU46251B (sh) 1993-05-28
JPS63248717A (ja) 1988-10-17
US4767540A (en) 1988-08-30
SU1687029A3 (ru) 1991-10-23
IE62420B1 (en) 1995-01-25
EP0314855A2 (en) 1989-05-10
BR8800540A (pt) 1988-09-27
DE3875061D1 (de) 1992-11-05
EP0314855B1 (en) 1992-09-30
AU1149488A (en) 1988-08-18
DE3875061T2 (de) 1993-03-25
IE880359L (en) 1988-08-11
AU600087B2 (en) 1990-08-02

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