DE3875061D1 - Hydroxamsaeuren-gruppen enhaltende polymere fuer die reduzierung von schwebenden festen koerpern in bayer-verfahren-stroemen. - Google Patents
Hydroxamsaeuren-gruppen enhaltende polymere fuer die reduzierung von schwebenden festen koerpern in bayer-verfahren-stroemen.Info
- Publication number
- DE3875061D1 DE3875061D1 DE8888100433T DE3875061T DE3875061D1 DE 3875061 D1 DE3875061 D1 DE 3875061D1 DE 8888100433 T DE8888100433 T DE 8888100433T DE 3875061 T DE3875061 T DE 3875061T DE 3875061 D1 DE3875061 D1 DE 3875061D1
- Authority
- DE
- Germany
- Prior art keywords
- bavarian
- reduction
- polymers containing
- process flows
- solid bodies
- 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
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
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 (2)
Publication Number | Publication Date |
---|---|
DE3875061D1 true DE3875061D1 (de) | 1992-11-05 |
DE3875061T2 DE3875061T2 (de) | 1993-03-25 |
Family
ID=21760238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888100433T Expired - Lifetime DE3875061T2 (de) | 1987-02-11 | 1988-01-14 | Hydroxamsaeuren-gruppen enhaltende polymere fuer die reduzierung von schwebenden festen koerpern in bayer-verfahren-stroemen. |
Country Status (12)
Country | Link |
---|---|
US (1) | US4767540A (de) |
EP (1) | EP0314855B1 (de) |
JP (1) | JP2584469B2 (de) |
AU (1) | AU600087B2 (de) |
BR (1) | BR8800540A (de) |
CA (1) | CA1334562C (de) |
DE (1) | DE3875061T2 (de) |
ES (1) | ES2043690T3 (de) |
HU (1) | HU206067B (de) |
IE (1) | IE62420B1 (de) |
SU (1) | SU1687029A3 (de) |
YU (1) | YU46251B (de) |
Families Citing this family (75)
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 Tech Corp | 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 |
DE69308777T2 (de) * | 1992-12-14 | 1997-07-31 | 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 |
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 |
US5711923A (en) * | 1994-03-25 | 1998-01-27 | Nalco Chemical Company | Hydroxymethyl diphosphonated polyacrylates for red mud treatment |
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 |
CA2195448A1 (en) * | 1994-08-12 | 1996-02-22 | Cytec Technology Corp. | A method of stabilizing slurries |
US5539046A (en) * | 1994-11-04 | 1996-07-23 | Cytec Technology Corp. | Blends of hydroxamated polymer emulsions with polyacrylate emulsions |
US5478477A (en) * | 1994-11-04 | 1995-12-26 | Nalco Chemical Company | Use of alginates to treat bauxite red mud |
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 |
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 |
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 |
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 |
EP0859745A1 (de) * | 1995-11-07 | 1998-08-26 | Cytec Technology Corp. | Reduzierung von verunreinigungen im durch das bayerverfahren hergestellten alumiumhydroxid |
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 |
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 |
CN1186260C (zh) * | 1998-09-25 | 2005-01-26 | 沃斯利矾土控股有限公司 | 改进的拜耳苛化法 |
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 |
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 |
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 |
JP5522897B2 (ja) * | 2005-02-25 | 2014-06-18 | サイテク・テクノロジー・コーポレーシヨン | ヒドロキサム酸化ポリマーの水中油中水エマルジョンおよびこれらを使用するための方法 |
CN101223199B (zh) | 2005-07-20 | 2014-08-13 | 株式会社普利司通 | 胺官能化聚合物 |
EP1982336B1 (de) * | 2006-02-09 | 2013-04-24 | Pebble Bed Modular Reactor (Proprietary) Limited | Kernreaktoranlage mit einem kugelhaufenkernreaktor |
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 |
ES2718610T3 (es) * | 2007-04-20 | 2019-07-03 | Cytec Tech Corp | Uso de polímeros que contienen silicio para mejorar la floculación de lodos rojos en el proceso Bayer |
UA101528C2 (ru) * | 2008-10-17 | 2013-04-10 | Сайтек Текнолоджи Корп. | Использование кремнийсодержащих полимеров для интенсификации флокуляции твердых частиц в процессах производства глинозема из бокситов |
AU2009352654B2 (en) | 2009-09-15 | 2014-07-10 | Suncor Energy Inc. | Process for drying fine tailings or colloidal fluids |
US9909070B2 (en) | 2009-09-15 | 2018-03-06 | Suncor Energy Inc. | Process for flocculating and dewatering oil sand mature fine tailings |
CA2735330C (en) | 2009-10-30 | 2015-06-02 | Suncor Energy Inc. | Depositing and farming methods for drying fine tailings |
JP2013519755A (ja) * | 2010-02-12 | 2013-05-30 | サイテク・テクノロジー・コーポレーシヨン | ケイ素含有重合体を含有する凝集剤組成物 |
CA2898486C (en) * | 2010-05-20 | 2018-04-24 | William Matthew Martin | 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 |
EA028199B1 (ru) | 2010-12-21 | 2017-10-31 | Сайтек Текнолоджи Корп. | Микродисперсии гидроксаматных полимеров и способы их получения и их применения |
JP5815733B2 (ja) | 2010-12-21 | 2015-11-17 | サイテク・テクノロジー・コーポレーシヨン | ヒドロキシルアミン溶液からのヒドラジンの除去方法 |
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 |
ES2845677T3 (es) | 2016-06-07 | 2021-07-27 | Cytec Ind Inc | Floculantes de polímero que contienen silicio |
WO2018148506A1 (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 |
Family Cites Families (23)
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 (de) | 1970-06-13 | 1974-05-10 | ||
CS153794B1 (de) * | 1970-07-02 | 1974-03-29 | ||
JPS4929080B1 (de) * | 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 (de) | 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 |
-
1987
- 1987-02-11 US US07/013,491 patent/US4767540A/en not_active Expired - Lifetime
-
1988
- 1988-01-14 DE DE8888100433T patent/DE3875061T2/de not_active Expired - Lifetime
- 1988-01-14 ES ES88100433T patent/ES2043690T3/es not_active Expired - Lifetime
- 1988-01-14 EP EP88100433A patent/EP0314855B1/de not_active Expired
- 1988-02-09 YU YU25388A patent/YU46251B/sh unknown
- 1988-02-09 CA CA000558437A patent/CA1334562C/en not_active Expired - Lifetime
- 1988-02-10 IE IE35988A patent/IE62420B1/en not_active IP Right Cessation
- 1988-02-10 SU SU884355165A patent/SU1687029A3/ru active
- 1988-02-10 HU HU88605A patent/HU206067B/hu not_active IP Right Cessation
- 1988-02-10 BR BR8800540A patent/BR8800540A/pt not_active IP Right Cessation
- 1988-02-10 AU AU11494/88A patent/AU600087B2/en not_active Expired
- 1988-02-10 JP JP63027855A patent/JP2584469B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
YU46251B (sh) | 1993-05-28 |
JPS63248717A (ja) | 1988-10-17 |
EP0314855B1 (de) | 1992-09-30 |
IE880359L (en) | 1988-08-11 |
US4767540A (en) | 1988-08-30 |
ES2043690T3 (es) | 1994-01-01 |
CA1334562C (en) | 1995-02-28 |
AU1149488A (en) | 1988-08-18 |
HUT46285A (en) | 1988-10-28 |
HU206067B (en) | 1992-08-28 |
EP0314855A3 (de) | 1991-04-03 |
EP0314855A2 (de) | 1989-05-10 |
SU1687029A3 (ru) | 1991-10-23 |
YU25388A (en) | 1989-12-31 |
IE62420B1 (en) | 1995-01-25 |
JP2584469B2 (ja) | 1997-02-26 |
DE3875061T2 (de) | 1993-03-25 |
AU600087B2 (en) | 1990-08-02 |
BR8800540A (pt) | 1988-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8365 | Fully valid after opposition proceedings |