DE3862052D1 - Verwendung von oberflaechenaktiven verbindungen waehrend der ausfaellung von aluminiumoxyd beim bayer-verfahren. - Google Patents
Verwendung von oberflaechenaktiven verbindungen waehrend der ausfaellung von aluminiumoxyd beim bayer-verfahren.Info
- Publication number
- DE3862052D1 DE3862052D1 DE8888105315T DE3862052T DE3862052D1 DE 3862052 D1 DE3862052 D1 DE 3862052D1 DE 8888105315 T DE8888105315 T DE 8888105315T DE 3862052 T DE3862052 T DE 3862052T DE 3862052 D1 DE3862052 D1 DE 3862052D1
- Authority
- DE
- Germany
- Prior art keywords
- fabrication
- aluminum oxide
- active compounds
- bayer process
- compounds during
- 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 - Fee Related
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
-
- 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
- C01F7/473—Removal of organic compounds, e.g. sodium oxalate
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/036,389 US4737352A (en) | 1987-04-09 | 1987-04-09 | Use of surfactants in alumina precipitation in the bayer process |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3862052D1 true DE3862052D1 (de) | 1991-04-25 |
Family
ID=21888347
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE198888105315T Pending DE286034T1 (de) | 1987-04-09 | 1988-03-31 | Verwendung von oberflaechenaktiven verbindungen waehrend der ausfaellung von aluminiumoxyd beim bayer-verfahren. |
DE8888105315T Expired - Fee Related DE3862052D1 (de) | 1987-04-09 | 1988-03-31 | Verwendung von oberflaechenaktiven verbindungen waehrend der ausfaellung von aluminiumoxyd beim bayer-verfahren. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE198888105315T Pending DE286034T1 (de) | 1987-04-09 | 1988-03-31 | Verwendung von oberflaechenaktiven verbindungen waehrend der ausfaellung von aluminiumoxyd beim bayer-verfahren. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4737352A (de) |
EP (1) | EP0286034B1 (de) |
JP (1) | JPS6414111A (de) |
CN (1) | CN1016866B (de) |
AU (1) | AU593987B2 (de) |
BR (1) | BR8801621A (de) |
CA (2) | CA1266365A (de) |
DE (2) | DE286034T1 (de) |
ES (1) | ES2010966B3 (de) |
HU (1) | HU202789B (de) |
YU (1) | YU46453B (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0417360B1 (de) * | 1988-06-30 | 1993-11-18 | Industrial Minerals Research & Development Pty. Limited | Entwässerung von Aluminiumtrihydrat und Entwässerungsmittel |
US5106599A (en) * | 1990-02-06 | 1992-04-21 | Nalco Chemical Company | Alumina crystal growth additive |
DE4039053A1 (de) * | 1990-12-07 | 1992-06-11 | Henkel Kgaa | Polyglycerine im bayer-prozess |
EP0602900B1 (de) * | 1992-12-14 | 1997-03-12 | Nalco Chemical Company | Änderung der Trihydrat-Kristalle im Bayer-Verfahren |
CA2126914A1 (en) * | 1993-06-30 | 1994-12-31 | Gillain Mary Moody | Production of alumina |
JP2784882B2 (ja) * | 1994-04-28 | 1998-08-06 | 第一工業製薬株式会社 | 粉末状高融点2,2−ビス[4′−(2″,3″−ジブロモプロポキシ)−3′,5′−ジブロモフェニル]プロパンの製造方法 |
US5607598A (en) * | 1995-07-14 | 1997-03-04 | Ormet Corporation | Treatment and disposal of red mud generated in the Bayer Process |
US6293973B1 (en) | 1996-10-11 | 2001-09-25 | Nalco Chemical Company | Method of controlling oxalate precipitation in bayer process liquor |
US5902560A (en) * | 1997-08-28 | 1999-05-11 | Nalco Chemical Company | Method for inhibiting precipitation of sodium oxalate in a Bayer process liquor |
GB9800855D0 (en) * | 1998-01-15 | 1998-03-11 | Allied Colloids Ltd | Production of alumina |
AU2004201629B2 (en) * | 1998-09-25 | 2006-07-13 | South32 Worsley Alumina Pty Ltd | Improved bayer causticisation |
WO2000018684A1 (en) * | 1998-09-25 | 2000-04-06 | Worsley Alumina Pty Ltd | Improved bayer causticisation |
DE10113294A1 (de) * | 2001-03-16 | 2002-09-19 | Stockhausen Chem Fab Gmbh | Bildung von Aluminiumoxidhydrat-haltigen Kristallen aus kaustischen Mutterlaugen |
US8971913B2 (en) * | 2003-06-27 | 2015-03-03 | Qualcomm Incorporated | Method and apparatus for wireless network hybrid positioning |
US7976820B2 (en) * | 2005-06-23 | 2011-07-12 | Nalco Company | Composition and method for improved aluminum hydroxide production |
US7955589B2 (en) * | 2005-06-23 | 2011-06-07 | Nalco Company | Composition and method for improved aluminum hydroxide production |
US7976821B2 (en) * | 2005-06-23 | 2011-07-12 | Nalco Company | Composition and method for improved aluminum hydroxide production |
CN100411989C (zh) * | 2006-01-23 | 2008-08-20 | 中国铝业股份有限公司 | 三水铝石的溶出方法 |
US8628737B2 (en) * | 2006-11-09 | 2014-01-14 | Nalco Company | Transfer of slurry in a bayer process |
US7771681B2 (en) * | 2006-12-29 | 2010-08-10 | Nalco Company | Method for improved aluminum hydroxide production |
US8282689B2 (en) * | 2009-07-01 | 2012-10-09 | Nalco Company | Composition and method for enhancing the production of crystal agglomerates from a precipitation liquor |
US8298508B2 (en) | 2010-08-09 | 2012-10-30 | Nalco Company | Recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides |
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 |
BR112015022243B1 (pt) * | 2013-03-13 | 2022-02-15 | Nalco Company | Método para produzir alumina utilizando um processo bayer |
US8920768B2 (en) | 2013-03-14 | 2014-12-30 | Ecolab Usa Inc. | Crystallization aids for bayer aluminum hydroxide |
US9896366B2 (en) | 2014-02-26 | 2018-02-20 | Ecolab Usa Inc. | Alternative additives to enhance slurry dewatering |
US9592456B2 (en) * | 2015-02-11 | 2017-03-14 | Ecolab Usa Inc. | Methods for enhancing production of aluminum hydroxide in an aluminum hydroxide production process |
EA033081B1 (ru) | 2015-03-11 | 2019-08-30 | Сайтек Индастриз, Инк. | Не содержащие масло модификаторы роста кристаллов для извлечения оксида алюминия |
US10427950B2 (en) | 2015-12-04 | 2019-10-01 | Ecolab Usa Inc. | Recovery of mining processing product using boronic acid-containing polymers |
CN109843806A (zh) * | 2016-09-09 | 2019-06-04 | 塞特工业公司 | 用于拜耳法的无油晶体生长调节剂 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE636707C (de) | 1933-07-26 | 1936-10-15 | Chemische Fabriken Akt Ges Gam | Verfahren zur Ausfaellung von Tonerdehydrat aus Alkalialuminatloesungen |
US2440378A (en) * | 1946-09-13 | 1948-04-27 | Aluminum Co Of America | Treatment of sodium aluminate solutions |
ZA713178B (en) * | 1971-05-17 | 1972-01-26 | Nalco Chemical Co | Continuous process for preparing extruded alumina bodies |
US4578255A (en) * | 1984-12-27 | 1986-03-25 | Kaiser Aluminum Chemical Corporation | Purification of Bayer process liquors |
US4608237A (en) * | 1985-04-24 | 1986-08-26 | Nalco Chemical Company | Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation |
-
1987
- 1987-04-09 US US07/036,389 patent/US4737352A/en not_active Expired - Lifetime
-
1988
- 1988-03-30 AU AU14017/88A patent/AU593987B2/en not_active Expired
- 1988-03-31 EP EP88105315A patent/EP0286034B1/de not_active Expired - Lifetime
- 1988-03-31 DE DE198888105315T patent/DE286034T1/de active Pending
- 1988-03-31 ES ES88105315T patent/ES2010966B3/es not_active Expired - Lifetime
- 1988-03-31 DE DE8888105315T patent/DE3862052D1/de not_active Expired - Fee Related
- 1988-04-06 BR BR8801621A patent/BR8801621A/pt unknown
- 1988-04-08 CA CA000563608A patent/CA1266365A/en not_active Expired - Fee Related
- 1988-04-08 CN CN88101926A patent/CN1016866B/zh not_active Expired
- 1988-04-08 HU HU881789A patent/HU202789B/hu not_active IP Right Cessation
- 1988-04-08 YU YU71088A patent/YU46453B/sh unknown
- 1988-04-09 JP JP63086295A patent/JPS6414111A/ja active Pending
-
1989
- 1989-12-27 CA CA000615584A patent/CA1275889C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0286034A1 (de) | 1988-10-12 |
CN88101926A (zh) | 1988-10-26 |
YU71088A (en) | 1990-02-28 |
ES2010966A4 (es) | 1989-12-16 |
YU46453B (sh) | 1993-10-20 |
HU202789B (en) | 1991-04-29 |
AU1401788A (en) | 1988-10-13 |
CA1266365A (en) | 1990-03-06 |
JPS6414111A (en) | 1989-01-18 |
DE286034T1 (de) | 1989-12-28 |
CA1275889C (en) | 1990-11-06 |
HUT46597A (en) | 1988-11-28 |
AU593987B2 (en) | 1990-02-22 |
ES2010966B3 (es) | 1991-10-16 |
CN1016866B (zh) | 1992-06-03 |
BR8801621A (pt) | 1988-11-08 |
EP0286034B1 (de) | 1991-03-20 |
US4737352A (en) | 1988-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8339 | Ceased/non-payment of the annual fee |