AU4611493A - Trihydrate clarification aid for the bayer process - Google Patents
Trihydrate clarification aid for the bayer processInfo
- Publication number
- AU4611493A AU4611493A AU46114/93A AU4611493A AU4611493A AU 4611493 A AU4611493 A AU 4611493A AU 46114/93 A AU46114/93 A AU 46114/93A AU 4611493 A AU4611493 A AU 4611493A AU 4611493 A AU4611493 A AU 4611493A
- Authority
- AU
- Australia
- Prior art keywords
- trihydrate
- bayer process
- clarification aid
- clarification
- aid
- 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.)
- Granted
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
- C01F7/148—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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94429092A | 1992-09-14 | 1992-09-14 | |
US944290 | 1992-09-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4611493A true AU4611493A (en) | 1994-03-24 |
AU667390B2 AU667390B2 (en) | 1996-03-21 |
Family
ID=25481143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU46114/93A Withdrawn - After Issue AU667390B2 (en) | 1992-09-14 | 1993-09-03 | Trihydrate clarification aid for the bayer process |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU667390B2 (en) |
CA (1) | CA2105333A1 (en) |
GB (1) | GB2270519B (en) |
IE (1) | IE76299B1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0602900B1 (en) * | 1992-12-14 | 1997-03-12 | Nalco Chemical Company | Trihydrate crystal modification in the bayer process |
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 |
US5601726A (en) * | 1994-06-06 | 1997-02-11 | Cytec Technology Corp. | Hydroxameted polymers in the bayer process to reduce solids |
US5539046A (en) * | 1994-11-04 | 1996-07-23 | Cytec Technology Corp. | Blends of hydroxamated polymer emulsions with polyacrylate emulsions |
AU720125B2 (en) * | 1995-11-07 | 2000-05-25 | Cytec Technology Corp. | Reduction of impurities in bayer process alumina trihydrate |
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 |
PL3199218T3 (en) | 2009-09-15 | 2020-04-30 | Suncor Energy Inc. | Process for drying oil sand mature fine tailings |
WO2011032258A1 (en) | 2009-09-15 | 2011-03-24 | Suncor Energy Inc. | Process for flocculating and dewatering oil sand mature fine tailings |
EP2493586A4 (en) | 2009-10-30 | 2014-07-23 | Suncor Energy Inc | Depositing and farming methods for drying oil sand mature fine tailings |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4767540A (en) * | 1987-02-11 | 1988-08-30 | American Cyanamid Company | Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams |
-
1993
- 1993-09-01 CA CA002105333A patent/CA2105333A1/en not_active Abandoned
- 1993-09-02 GB GB9318210A patent/GB2270519B/en not_active Expired - Fee Related
- 1993-09-03 AU AU46114/93A patent/AU667390B2/en not_active Withdrawn - After Issue
- 1993-09-13 IE IE930677A patent/IE76299B1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
IE930677A1 (en) | 1994-03-23 |
AU667390B2 (en) | 1996-03-21 |
CA2105333A1 (en) | 1994-03-15 |
IE76299B1 (en) | 1997-10-08 |
GB9318210D0 (en) | 1993-10-20 |
GB2270519A (en) | 1994-03-16 |
GB2270519B (en) | 1996-03-20 |
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