BR112013002968A2 - método para produzir alumina, e, composição - Google Patents
método para produzir alumina, e, composiçãoInfo
- Publication number
- BR112013002968A2 BR112013002968A2 BR112013002968A BR112013002968A BR112013002968A2 BR 112013002968 A2 BR112013002968 A2 BR 112013002968A2 BR 112013002968 A BR112013002968 A BR 112013002968A BR 112013002968 A BR112013002968 A BR 112013002968A BR 112013002968 A2 BR112013002968 A2 BR 112013002968A2
- Authority
- BR
- Brazil
- Prior art keywords
- composition
- scleroglycan
- polysaccharides
- producing alumina
- alumina
- Prior art date
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
- C01F7/145—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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Paper (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
método para produzir alumina, e, composição. a invenção fornece métodos e composições para melhorar a produção de alumina. a invenção envolve adicionar um produto contendo um ou mais polissacarídeos ao licor dentro do circuito de fluido do processo de produção onde um dos polissacarídeos é escleroglicano. o uso de escleroglicano podem comunicar várias vantagens que incluem pelo menos algumas de: maior eficácia de floculação, aumentar a dosagem eficaz máxima, taxa de sedimentação mais rápida. o processo de produção pode ser um processo bayer.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/852,917 US8252266B2 (en) | 2010-08-09 | 2010-08-09 | Recovery of alumina trihydrate during the bayer process using scleroglucan |
US12/852,917 | 2010-08-09 | ||
PCT/US2011/046352 WO2012021342A2 (en) | 2010-08-09 | 2011-08-03 | The recovery of alumina trihydrate during the bayer process using scleroglucan |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112013002968A2 true BR112013002968A2 (pt) | 2016-06-07 |
BR112013002968B1 BR112013002968B1 (pt) | 2021-01-12 |
Family
ID=45556308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112013002968-4A BR112013002968B1 (pt) | 2010-08-09 | 2011-08-03 | método para tratar uma corrente de fluido de um processo bayer |
Country Status (6)
Country | Link |
---|---|
US (2) | US8252266B2 (pt) |
CN (1) | CN103068734B (pt) |
AU (2) | AU2011289750B2 (pt) |
BR (1) | BR112013002968B1 (pt) |
RU (2) | RU2581872C2 (pt) |
WO (1) | WO2012021342A2 (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9102995B2 (en) | 2010-08-09 | 2015-08-11 | Nalco Company | Cross-linked ethylsulfonated dihydroxypropyl cellulose |
JP2016517385A (ja) * | 2013-03-13 | 2016-06-16 | ナルコ カンパニー | 架橋されたエチルスルホン化ジヒドロキシプロピルセルロース |
US10427950B2 (en) | 2015-12-04 | 2019-10-01 | Ecolab Usa Inc. | Recovery of mining processing product using boronic acid-containing polymers |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3085853A (en) | 1958-12-23 | 1963-04-16 | Dow Chemical Co | Method of employing dextrans |
DE2415154C2 (de) | 1974-03-29 | 1985-05-23 | Henkel KGaA, 4000 Düsseldorf | Verfahren zur Herstellung von Cellulosemischethern, die neben Alkylgruppen, Hydroxyalkylgruppen oder Carboxyalkylgruppen noch 2,3-Dihydroxypropylgruppen enthalten |
DE2415155C2 (de) | 1974-03-29 | 1985-05-23 | Henkel KGaA, 4000 Düsseldorf | Verfahren zur Herstellung von 2,3-Dihydroxypropylcellulose |
US4096326A (en) | 1976-10-13 | 1978-06-20 | Hercules Incorporated | Dihydroxypropyl cellulose |
US4523010A (en) | 1984-06-15 | 1985-06-11 | Hercules Incorporated | Dihydroxypropyl mixed ether derivatives of cellulose |
US4576942A (en) | 1984-07-12 | 1986-03-18 | Usv Pharmaceutical Corp. | Anti-allergic and anti-inflammatory bi- and tri- cyclo-1,4-thiazine derivatives, composition, and method of use therefor |
FR2621926B1 (fr) * | 1987-10-20 | 1991-06-21 | Inst Francais Du Petrole | Procede de traitement d'un mout de fermentation renfermant un polysaccharide dans le but d'en accroitre la filtrabilite et utilisation de ce mout en recuperation assistee du petrole |
GB8824176D0 (en) | 1988-10-14 | 1988-11-23 | Allied Colloids Ltd | Recovery of alumina from bauxite |
GB8907995D0 (en) | 1989-04-10 | 1989-05-24 | Allied Colloids Ltd | Recovery of alumina trihydrate in the bayer process |
US5043287A (en) * | 1989-05-16 | 1991-08-27 | The Standard Oil Company | Recovery of water soluble biopolymers from an aqueous solution by employing a polyoxide |
SU1838237A3 (en) * | 1989-11-09 | 1993-08-30 | Эллaйд Koллoидc Лиmиteд | Method to recover aluminium oxide of a bauxite |
US5106599A (en) | 1990-02-06 | 1992-04-21 | Nalco Chemical Company | Alumina crystal growth additive |
US5030340A (en) | 1990-06-08 | 1991-07-09 | American Cyanamid Company | Method for the depressing of hydrous silicates and iron sulfides with dihydroxyalkyl polysaccharides |
US5091159A (en) | 1991-06-10 | 1992-02-25 | Nalco Chemical Company | Use of dextran as a filtration aid for thickener overflow filtration in Kelly filters in the Bayer process |
JP3002916B2 (ja) | 1991-10-29 | 2000-01-24 | ダイセル化学工業株式会社 | セルロース混合エーテルの製造法 |
JPH05155734A (ja) | 1991-12-04 | 1993-06-22 | Shin Etsu Chem Co Ltd | 化粧品用添加剤 |
US5387405A (en) * | 1992-03-25 | 1995-02-07 | Nalco Chemical Company | Bayer liquor polishing |
JPH06206752A (ja) | 1993-01-08 | 1994-07-26 | Shin Etsu Chem Co Ltd | 高流動コンクリート配合組成物 |
US5346628A (en) | 1993-10-29 | 1994-09-13 | Nalco Chemical Company | Polymers for flocculating red mud from bayer process liquors |
AU707514B2 (en) | 1995-04-05 | 1999-07-15 | Nalco Chemical Company | Biopolymer use as a sand filter aid |
AU737191B2 (en) | 1997-12-11 | 2001-08-09 | Nalco Chemical Company | Improvements relating to the Bayer process |
US6726845B1 (en) | 1998-05-25 | 2004-04-27 | Ondeo Nalco Company | Dextran starch and flocculant combination for improving red mud clarification |
US6814873B2 (en) | 2002-07-22 | 2004-11-09 | Cytec Technology Corp. | Method of preventing or reducing aluminosilicate scale in a bayer process |
US7621334B2 (en) * | 2005-04-29 | 2009-11-24 | Halliburton Energy Services, Inc. | Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods |
US20060272816A1 (en) * | 2005-06-02 | 2006-12-07 | Willberg Dean M | Proppants Useful for Prevention of Scale Deposition |
US20080107578A1 (en) * | 2006-11-07 | 2008-05-08 | Jing Wang | The recovery of alumina trihydrate during the bayer process using a water continuous polymer |
GB2453927A (en) * | 2007-10-12 | 2009-04-29 | Curtiss Wright Controls Embedded Computing | Method for improving the representation of targets within radar images |
WO2009085514A2 (en) * | 2007-12-28 | 2009-07-09 | Cytec Technology Corp. | Reducing autoprecipitation in bayer liquor |
US20090197781A1 (en) * | 2008-01-31 | 2009-08-06 | Hari Babu Sunkara | Wellbore Fluids Comprising Poly(trimethylene ether) glycol Polymers |
-
2010
- 2010-08-09 US US12/852,917 patent/US8252266B2/en active Active
-
2011
- 2011-08-03 AU AU2011289750A patent/AU2011289750B2/en active Active
- 2011-08-03 RU RU2013104948/05A patent/RU2581872C2/ru active
- 2011-08-03 RU RU2016104811A patent/RU2696702C2/ru active
- 2011-08-03 WO PCT/US2011/046352 patent/WO2012021342A2/en active Application Filing
- 2011-08-03 CN CN201180038665.6A patent/CN103068734B/zh active Active
- 2011-08-03 BR BR112013002968-4A patent/BR112013002968B1/pt active IP Right Grant
-
2012
- 2012-08-15 US US13/586,025 patent/US8394290B2/en active Active
-
2016
- 2016-08-12 AU AU2016213902A patent/AU2016213902B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20120034143A1 (en) | 2012-02-09 |
RU2581872C2 (ru) | 2016-04-20 |
RU2013104948A (ru) | 2014-09-20 |
US8394290B2 (en) | 2013-03-12 |
WO2012021342A2 (en) | 2012-02-16 |
RU2696702C2 (ru) | 2019-08-05 |
US8252266B2 (en) | 2012-08-28 |
AU2011289750B2 (en) | 2016-07-21 |
AU2016213902B2 (en) | 2017-10-26 |
WO2012021342A3 (en) | 2012-06-07 |
AU2011289750A1 (en) | 2013-02-21 |
CN103068734A (zh) | 2013-04-24 |
CN103068734B (zh) | 2014-12-24 |
AU2016213902A1 (en) | 2016-09-01 |
RU2016104811A (ru) | 2018-11-22 |
BR112013002968B1 (pt) | 2021-01-12 |
US20120305837A1 (en) | 2012-12-06 |
RU2016104811A3 (pt) | 2019-04-19 |
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Legal Events
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B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06T | Formal requirements before examination [chapter 6.20 patent gazette] | ||
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B07B | Technical examination (opinion): publication cancelled [chapter 7.2 patent gazette] | ||
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/08/2011, OBSERVADAS AS CONDICOES LEGAIS. |