IT1188213B - Recupero di soda e allumina da fango rosso - Google Patents
Recupero di soda e allumina da fango rossoInfo
- Publication number
- IT1188213B IT1188213B IT8523328A IT2332885A IT1188213B IT 1188213 B IT1188213 B IT 1188213B IT 8523328 A IT8523328 A IT 8523328A IT 2332885 A IT2332885 A IT 2332885A IT 1188213 B IT1188213 B IT 1188213B
- Authority
- IT
- Italy
- Prior art keywords
- soda
- recovery
- aluminum
- red mud
- mud
- 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
- C01F7/06—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
- C01F7/066—Treatment of the separated residue
-
- 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
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/48—Sulfites
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Analytical Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPG867984 | 1984-12-21 | ||
AUPG877085 | 1985-01-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8523328A0 IT8523328A0 (it) | 1985-12-20 |
IT1188213B true IT1188213B (it) | 1988-01-07 |
Family
ID=25642890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8523328A IT1188213B (it) | 1984-12-21 | 1985-12-20 | Recupero di soda e allumina da fango rosso |
Country Status (5)
Country | Link |
---|---|
US (1) | US4668485A (it) |
AU (1) | AU563304B2 (it) |
DE (1) | DE3545388A1 (it) |
FR (1) | FR2575149B1 (it) |
IT (1) | IT1188213B (it) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2600635B1 (fr) * | 1986-06-26 | 1989-09-08 | Comalco Alu | Procede pour la production de matieres utiles y compris de la nepheline synthetique a partir des boues rouges du procede bayer |
US4810682A (en) * | 1986-06-26 | 1989-03-07 | Comalco Aluminum Limited | Production of useful materials including synthetic nepheline from Bayer red mud |
US5030424A (en) * | 1989-04-03 | 1991-07-09 | Alcan International Limited | Recovery of rare earth elements from Bayer process red mud |
US5051243A (en) * | 1989-12-07 | 1991-09-24 | Alcan International Limited | Process for increasing the specific gravity of red mud solids |
US5338457A (en) * | 1993-04-19 | 1994-08-16 | General Chemical Corporation | Removal of aluminum and sulfate ions from aqueous solutions |
AUPN808196A0 (en) * | 1996-02-15 | 1996-03-07 | Queensland Alumina Limited | Red mud processing |
AUPR437001A0 (en) * | 2001-04-11 | 2001-05-17 | Worsley Alumina Pty Ltd | Process for the removal of anionic impurities from caustic aluminate solutions |
US8206586B2 (en) * | 2006-02-09 | 2012-06-26 | Alcoa Inc. | Systems for polishing wastewater utilizing natural media filtration |
US20100276360A1 (en) * | 2007-02-08 | 2010-11-04 | Alcoa Inc. | Methods, apparatus and systems for polishing wastewater utilizing natural media filtration |
CN100532262C (zh) * | 2007-07-12 | 2009-08-26 | 中国铝业股份有限公司 | 一种中低品位铝土矿生产氧化铝的方法 |
US9187342B2 (en) | 2010-06-14 | 2015-11-17 | Alcoa Inc. | Method for removing drugs from waste water using neutralized bauxite residue |
CA2877651C (en) * | 2012-07-20 | 2016-10-25 | Aleksandr Viktorovich BOGOMAZOV | Acid processing of red mud |
CN105008289B (zh) | 2013-01-11 | 2017-06-06 | 奥科宁克有限公司 | 废水处理***和方法 |
CN104291539B (zh) * | 2013-07-16 | 2016-09-28 | 中国地质大学(北京) | 一种利用co2与废酸联合处理拜耳法赤泥脱碱的方法 |
EP3060690B1 (en) | 2013-10-21 | 2020-10-14 | Peloton Resources Pty Ltd. | Deriving high value products from waste red mud |
CN108715937B (zh) * | 2018-07-03 | 2020-02-11 | 贵州大学 | 一种高铁赤泥与磷石膏的综合利用工艺 |
CN108823415B (zh) * | 2018-07-03 | 2020-04-07 | 贵州大学 | 一种磷石膏和赤泥制酸联产不锈钢超精抛光蜡的工艺 |
CN113105282B (zh) * | 2021-04-28 | 2022-09-27 | 东北大学 | 一种利用含钙赤泥制备硅钾钙复合肥的方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3198622A (en) * | 1962-03-05 | 1965-08-03 | Pompey Acieries | Chemical-physical treatment of ores, and/or ore residues |
US1360248A (en) * | 1919-03-26 | 1920-11-23 | George R Brobst | Process for the manufacture of phosphate |
US1377822A (en) * | 1920-04-27 | 1921-05-10 | Charles Page Perin | Treatment of iron ores |
US2242258A (en) * | 1938-01-20 | 1941-05-20 | Ig Farbenindustrie Ag | Manufacture of cement and alkali metal aluminate |
US2869984A (en) * | 1955-06-13 | 1959-01-20 | Gerald M Spence | Process for the production of sodium aluminate solution |
US3311449A (en) * | 1962-02-12 | 1967-03-28 | Mitsubishi Shipbuilding & Eng | Process of recovering valuable components from red mud |
JPS5216634Y2 (it) * | 1971-12-22 | 1977-04-14 | ||
US3775532A (en) * | 1972-02-18 | 1973-11-27 | Chemical Construction Corp | Removal of sulfur dioxide from gas streams |
US3989513A (en) * | 1972-06-06 | 1976-11-02 | Magyar Aluminiumipari Troszt | Method for the treatment of red mud |
JPS5848490B2 (ja) * | 1975-09-17 | 1983-10-28 | シヨウワコウキ カブシキガイシヤ | サンセイガスニヨルチユウワホウホウ |
US4113832A (en) * | 1977-11-28 | 1978-09-12 | Kaiser Aluminum & Chemical Corporation | Process for the utilization of waste materials from electrolytic aluminum reduction systems |
US4483830A (en) * | 1981-09-10 | 1984-11-20 | Comalco Limited | Production of alumina |
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 |
-
1984
- 1984-12-21 AU AU51016/85A patent/AU563304B2/en not_active Ceased
-
1985
- 1985-12-10 US US06/807,319 patent/US4668485A/en not_active Expired - Lifetime
- 1985-12-19 FR FR8518861A patent/FR2575149B1/fr not_active Expired
- 1985-12-20 IT IT8523328A patent/IT1188213B/it active
- 1985-12-20 DE DE19853545388 patent/DE3545388A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
AU5101685A (en) | 1986-06-26 |
FR2575149A1 (fr) | 1986-06-27 |
IT8523328A0 (it) | 1985-12-20 |
US4668485A (en) | 1987-05-26 |
AU563304B2 (en) | 1987-07-02 |
FR2575149B1 (fr) | 1989-09-22 |
DE3545388C2 (it) | 1989-06-29 |
DE3545388A1 (de) | 1986-07-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971128 |