AUPM761194A0 - Improved process for the extraction of alumina from bauxite - Google Patents
Improved process for the extraction of alumina from bauxiteInfo
- Publication number
- AUPM761194A0 AUPM761194A0 AUPM7611A AUPM761194A AUPM761194A0 AU PM761194 A0 AUPM761194 A0 AU PM761194A0 AU PM7611 A AUPM7611 A AU PM7611A AU PM761194 A AUPM761194 A AU PM761194A AU PM761194 A0 AUPM761194 A0 AU PM761194A0
- Authority
- AU
- Australia
- Prior art keywords
- bauxite
- alumina
- extraction
- improved process
- improved
- 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.)
- Abandoned
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
- C01F7/06—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
- C01F7/062—Digestion
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Nutrition Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPM7611A AUPM761194A0 (en) | 1994-08-23 | 1994-08-23 | Improved process for the extraction of alumina from bauxite |
BR9508761A BR9508761A (pt) | 1994-08-23 | 1995-08-23 | Processo aperfeiçoado para extração de alumina a partir de bauxita |
PCT/AU1995/000526 WO1996006043A1 (fr) | 1994-08-23 | 1995-08-23 | Procede ameliore concernant l'extraction d'alumine a partir de la bauxite |
CA002197457A CA2197457A1 (fr) | 1994-08-23 | 1995-08-23 | Methode amelioree pour l'extraction d'alumine a partir de bauxite |
AU32481/95A AU3248195A (en) | 1994-08-23 | 1995-08-23 | Improved process for the extraction of alumina from bauxite |
EP95928901A EP0777628A4 (fr) | 1994-08-23 | 1995-08-23 | Procede ameliore concernant l'extraction d'alumine a partir de la bauxite |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPM7611A AUPM761194A0 (en) | 1994-08-23 | 1994-08-23 | Improved process for the extraction of alumina from bauxite |
Publications (1)
Publication Number | Publication Date |
---|---|
AUPM761194A0 true AUPM761194A0 (en) | 1994-09-15 |
Family
ID=3782132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AUPM7611A Abandoned AUPM761194A0 (en) | 1994-08-23 | 1994-08-23 | Improved process for the extraction of alumina from bauxite |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0777628A4 (fr) |
AU (1) | AUPM761194A0 (fr) |
BR (1) | BR9508761A (fr) |
CA (1) | CA2197457A1 (fr) |
WO (1) | WO1996006043A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPO376296A0 (en) * | 1996-11-20 | 1996-12-12 | Comalco Aluminium Limited | Removal of silica from bauxite |
US6528028B2 (en) * | 1999-12-28 | 2003-03-04 | Showa Denko K.K. | Process for treating bauxite in which a desilication product and an insoluble residure are separately precipitated |
FR2860782B1 (fr) * | 2003-10-10 | 2006-09-29 | Pechiney Aluminium | Procede pour reduire l'encrassement des echangeurs thermiques d'un circuit bayer |
US8029752B2 (en) | 2009-04-06 | 2011-10-04 | Nalco Company | Approach in controlling DSP scale in bayer process |
US9487408B2 (en) | 2009-09-25 | 2016-11-08 | Nalco Company | Reducing aluminosilicate scale in the bayer process |
US9416020B2 (en) | 2009-09-25 | 2016-08-16 | Nalco Company | Surfactant based small molecules for reducing aluminosilicate scale in the bayer process |
CN106542553B (zh) * | 2015-09-21 | 2018-05-22 | 沈阳铝镁设计研究院有限公司 | 一种氧化铝生产中三水铝石矿的溶出工艺方法 |
CN110563011A (zh) * | 2019-09-12 | 2019-12-13 | 西南能矿集团股份有限公司 | 一种氧化铝制备用的脱硅剂及其制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4324769A (en) * | 1979-10-01 | 1982-04-13 | Alumina Development Corporation | Extraction and production of alumina containing less than 0.03 percent iron oxide |
JPS57145029A (en) * | 1981-02-27 | 1982-09-07 | Sumitomo Alum Smelt Co Ltd | Extracting method of alumina from mixed type bauxite |
US4446117A (en) * | 1983-04-04 | 1984-05-01 | Alumina Development Corporation | Double digestion system to reduce formation of ferrous iron |
US4518571A (en) * | 1984-02-27 | 1985-05-21 | Vsesojuzny Nauchno-Issledovatelsky I Proektny Institut Aljuminievo Magnievoi I Elektrodnoi Promyshlennosti | Process for desilication of aluminate liquors in the production of alumina |
CA1330865C (fr) * | 1989-01-31 | 1994-07-26 | George Dennison Fulford | Procede de production d'alumine a partir de bauxite |
GB8906500D0 (en) * | 1989-03-21 | 1989-05-04 | Shell Int Research | Process for the production of aluminium hydroxide from bauxite |
WO1994002416A1 (fr) * | 1992-07-24 | 1994-02-03 | Comalco Aluminium Limited | Procede d'extraction d'alumine de la bauxite |
AU668979B2 (en) * | 1992-07-24 | 1996-05-23 | Comalco Aluminium Limited | Extracting alumina from bauxite |
FR2712275B1 (fr) * | 1993-11-09 | 1995-12-15 | Pechiney Aluminium | Procédé de traitement de bauxites contenant un mélange de trihydrate d'alumine et de monohydrate d'alumine. |
-
1994
- 1994-08-23 AU AUPM7611A patent/AUPM761194A0/en not_active Abandoned
-
1995
- 1995-08-23 BR BR9508761A patent/BR9508761A/pt not_active Application Discontinuation
- 1995-08-23 CA CA002197457A patent/CA2197457A1/fr not_active Abandoned
- 1995-08-23 EP EP95928901A patent/EP0777628A4/fr not_active Withdrawn
- 1995-08-23 WO PCT/AU1995/000526 patent/WO1996006043A1/fr not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0777628A1 (fr) | 1997-06-11 |
WO1996006043A1 (fr) | 1996-02-29 |
EP0777628A4 (fr) | 1999-06-09 |
BR9508761A (pt) | 1998-01-13 |
CA2197457A1 (fr) | 1996-02-29 |
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