WO2012021375A3 - The recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides - Google Patents
The recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides Download PDFInfo
- Publication number
- WO2012021375A3 WO2012021375A3 PCT/US2011/046579 US2011046579W WO2012021375A3 WO 2012021375 A3 WO2012021375 A3 WO 2012021375A3 US 2011046579 W US2011046579 W US 2011046579W WO 2012021375 A3 WO2012021375 A3 WO 2012021375A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cross
- polysaccharides
- recovery
- bayer process
- linked
- Prior art date
Links
- 150000004676 glycans Chemical class 0.000 title abstract 5
- 229920001282 polysaccharide Polymers 0.000 title abstract 5
- 239000005017 polysaccharide Substances 0.000 title abstract 5
- 238000004131 Bayer process Methods 0.000 title abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title abstract 2
- 238000011084 recovery Methods 0.000 title 1
- 150000004684 trihydrates Chemical class 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 abstract 3
- 229920002307 Dextran Polymers 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- -1 dihydroxypropyl Chemical group 0.000 abstract 1
- 230000016615 flocculation Effects 0.000 abstract 1
- 238000005189 flocculation Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
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
- C01F7/06—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
- C01F7/04—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
-
- 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
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112013002971-4A BR112013002971B1 (en) | 2010-08-09 | 2011-08-04 | method to produce alumina |
AU2011289700A AU2011289700B2 (en) | 2010-08-09 | 2011-08-04 | The recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides |
RU2013105410/05A RU2573678C2 (en) | 2010-08-09 | 2011-08-04 | Extraction of aluminium oxide trihydrate in bayer process with application of cross-linked polysaccharides |
CN201180038832.7A CN103068735B (en) | 2010-08-09 | 2011-08-04 | Recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides |
AU2016203536A AU2016203536B2 (en) | 2010-08-09 | 2016-05-28 | The recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/852,910 US8298508B2 (en) | 2010-08-09 | 2010-08-09 | Recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides |
US12/852,910 | 2010-08-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012021375A2 WO2012021375A2 (en) | 2012-02-16 |
WO2012021375A3 true WO2012021375A3 (en) | 2012-05-24 |
Family
ID=45556307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2011/046579 WO2012021375A2 (en) | 2010-08-09 | 2011-08-04 | The recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides |
Country Status (6)
Country | Link |
---|---|
US (1) | US8298508B2 (en) |
CN (1) | CN103068735B (en) |
AU (2) | AU2011289700B2 (en) |
BR (1) | BR112013002971B1 (en) |
RU (1) | RU2573678C2 (en) |
WO (1) | WO2012021375A2 (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8971913B2 (en) * | 2003-06-27 | 2015-03-03 | Qualcomm Incorporated | Method and apparatus for wireless network hybrid positioning |
US8778140B2 (en) | 2007-09-12 | 2014-07-15 | Nalco Company | Preflocculation of fillers used in papermaking |
US9752283B2 (en) | 2007-09-12 | 2017-09-05 | Ecolab Usa Inc. | Anionic preflocculation of fillers used in papermaking |
US8088250B2 (en) | 2008-11-26 | 2012-01-03 | Nalco Company | Method of increasing filler content in papermaking |
US9199855B2 (en) | 2010-08-09 | 2015-12-01 | Nalco Company | Chemical treatment to improve red mud separation and washing in the bayer process |
US9102995B2 (en) | 2010-08-09 | 2015-08-11 | Nalco Company | Cross-linked ethylsulfonated dihydroxypropyl cellulose |
US9174852B2 (en) | 2010-08-09 | 2015-11-03 | Nalco Company | Methods to improve filtration for the Bayer process |
CN104768627B (en) * | 2012-10-29 | 2017-03-22 | 纳尔科公司 | Methods to improve filtration for the bayer process |
TWI487823B (en) | 2012-11-01 | 2015-06-11 | Nalco Co | Preflocculation of fillers used in papermaking |
EP2938575B1 (en) * | 2012-12-28 | 2021-01-20 | Nalco Company | Chemical treatment to improve red mud separation and washing in the bayer process |
AU2014242325B2 (en) * | 2013-03-13 | 2016-12-15 | Nalco Company | Cross-linked ethylsulfonated dihydroxypropyl cellulose |
US9303360B2 (en) | 2013-08-08 | 2016-04-05 | Ecolab Usa Inc. | Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention in papermaking process |
US9034145B2 (en) | 2013-08-08 | 2015-05-19 | Ecolab Usa Inc. | Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention, wet strength, and dry strength in papermaking process |
US9410288B2 (en) | 2013-08-08 | 2016-08-09 | Ecolab Usa Inc. | Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention in papermaking process |
US9834730B2 (en) | 2014-01-23 | 2017-12-05 | Ecolab Usa Inc. | Use of emulsion polymers to flocculate solids in organic liquids |
US10570347B2 (en) | 2015-10-15 | 2020-02-25 | Ecolab Usa Inc. | Nanocrystalline cellulose and polymer-grafted nanocrystalline cellulose as rheology modifying agents for magnesium oxide and lime slurries |
US10427950B2 (en) | 2015-12-04 | 2019-10-01 | Ecolab Usa Inc. | Recovery of mining processing product using boronic acid-containing polymers |
CN110997593B (en) | 2017-07-17 | 2023-01-24 | 埃科莱布美国股份有限公司 | Method for modifying the rheology of a slurry |
CN115477409B (en) * | 2021-05-31 | 2024-02-13 | 中国石油化工股份有限公司 | HPPO wastewater treatment method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5217620A (en) * | 1992-11-23 | 1993-06-08 | Nalco Chemical Company | Clarification aid for the Bayer process |
US6605674B1 (en) * | 2000-06-29 | 2003-08-12 | Ondeo Nalco Company | Structurally-modified polymer flocculants |
US20080107578A1 (en) * | 2006-11-07 | 2008-05-08 | Jing Wang | The recovery of alumina trihydrate during the bayer process using a water continuous polymer |
WO2009085514A2 (en) * | 2007-12-28 | 2009-07-09 | Cytec Technology Corp. | Reducing autoprecipitation in bayer liquor |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3085853A (en) | 1958-12-23 | 1963-04-16 | Dow Chemical Co | Method of employing dextrans |
US4339331A (en) | 1980-12-05 | 1982-07-13 | American Cyanamid Company | Crosslinked starches as depressants in mineral ore flotation |
US4737352A (en) | 1987-04-09 | 1988-04-12 | Nalco Chemical Company | Use of surfactants in alumina precipitation in the bayer process |
US5049612A (en) | 1988-05-02 | 1991-09-17 | Falconbridge Limited | Depressant for flotation separation of polymetallic sulphidic ores |
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 |
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 |
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 |
US5346628A (en) | 1993-10-29 | 1994-09-13 | Nalco Chemical Company | Polymers for flocculating red mud from bayer process liquors |
US5478477A (en) * | 1994-11-04 | 1995-12-26 | Nalco Chemical Company | Use of alginates to treat bauxite red mud |
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 |
AUPP825899A0 (en) | 1999-01-20 | 1999-02-11 | Nalco Chemical Company | Filtration aid for the bayer process |
US6814873B2 (en) | 2002-07-22 | 2004-11-09 | Cytec Technology Corp. | Method of preventing or reducing aluminosilicate scale in a bayer process |
US7976821B2 (en) | 2005-06-23 | 2011-07-12 | Nalco Company | Composition and method for improved aluminum hydroxide production |
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 |
-
2010
- 2010-08-09 US US12/852,910 patent/US8298508B2/en active Active
-
2011
- 2011-08-04 RU RU2013105410/05A patent/RU2573678C2/en active
- 2011-08-04 CN CN201180038832.7A patent/CN103068735B/en active Active
- 2011-08-04 BR BR112013002971-4A patent/BR112013002971B1/en active IP Right Grant
- 2011-08-04 WO PCT/US2011/046579 patent/WO2012021375A2/en active Application Filing
- 2011-08-04 AU AU2011289700A patent/AU2011289700B2/en active Active
-
2016
- 2016-05-28 AU AU2016203536A patent/AU2016203536B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5217620A (en) * | 1992-11-23 | 1993-06-08 | Nalco Chemical Company | Clarification aid for the Bayer process |
US6605674B1 (en) * | 2000-06-29 | 2003-08-12 | Ondeo Nalco Company | Structurally-modified polymer flocculants |
US20080107578A1 (en) * | 2006-11-07 | 2008-05-08 | Jing Wang | The recovery of alumina trihydrate during the bayer process using a water continuous polymer |
WO2009085514A2 (en) * | 2007-12-28 | 2009-07-09 | Cytec Technology Corp. | Reducing autoprecipitation in bayer liquor |
Also Published As
Publication number | Publication date |
---|---|
CN103068735A (en) | 2013-04-24 |
AU2011289700B2 (en) | 2016-05-12 |
US8298508B2 (en) | 2012-10-30 |
US20120034142A1 (en) | 2012-02-09 |
CN103068735B (en) | 2015-03-18 |
BR112013002971B1 (en) | 2021-01-26 |
AU2011289700A1 (en) | 2013-02-21 |
WO2012021375A2 (en) | 2012-02-16 |
RU2013105410A (en) | 2014-09-20 |
AU2016203536A1 (en) | 2016-06-23 |
BR112013002971A2 (en) | 2016-06-07 |
RU2573678C2 (en) | 2016-01-27 |
AU2016203536B2 (en) | 2017-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2012021375A3 (en) | The recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides | |
MX2016007241A (en) | Lignin nanoparticle dispersions and methods for producing and using the same. | |
WO2017062835A3 (en) | Compositions and methods for treating duchenne muscular dystrophy and related disorders | |
WO2017100726A8 (en) | Methods for treating huntington's disease | |
EA033286B1 (en) | Method of treating or delaying the progression of chronic kidney disease | |
IN2012DN05062A (en) | ||
MX2013005435A (en) | Methods to create high conductivity fractures that connect hydraulic fracture networks in a well. | |
EP3722810A3 (en) | Molecular profiling of tumors | |
WO2012092336A3 (en) | Molecular profiling for cancer | |
EP2707540A4 (en) | Process for treating microfibrillated cellulose and microfibrillated cellulose treated according to the process | |
CA2735643A1 (en) | A method for the production of a lightweight magnesium silicate proppant and a proppant | |
CN104589443B (en) | A kind of processing method of willow wood chip | |
WO2010147650A3 (en) | Treatment of particles for improved performance as proppants | |
MX2016014268A (en) | Acid soluble flakes as lost circulation material. | |
WO2010107554A3 (en) | Fast drying ampholytic polymers for cleaning compositions | |
CA2713715A1 (en) | Lost circulation material formulation and method of use | |
MX2016006784A (en) | Methods for treating subterranean formations. | |
WO2009039337A3 (en) | Inhibition of angiogenesis | |
WO2012115769A3 (en) | Reducing aluminosilicate scale in the bayer process | |
EP4230599A3 (en) | Process for manufacturing a milk of slaked lime of great fineness | |
MX2015016358A (en) | Low soluble iron content diatomite filter aids. | |
MX2015000954A (en) | Treatment fluids comprising a stabilizing compound having quaternized amine groups and methods for use thereof. | |
WO2012071056A3 (en) | Guar process monitoring methods | |
BR112015022243A2 (en) | cross-linked ethylsulfonated dihydroxypropyl cellulose | |
WO2012021342A3 (en) | The recovery of alumina trihydrate during the bayer process using scleroglucan |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180038832.7 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11816840 Country of ref document: EP Kind code of ref document: A2 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2011289700 Country of ref document: AU Date of ref document: 20110804 Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2013105410 Country of ref document: RU Kind code of ref document: A |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 11816840 Country of ref document: EP Kind code of ref document: A2 |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112013002971 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 112013002971 Country of ref document: BR Kind code of ref document: A2 Effective date: 20130206 |