FR2487325B1 - - Google Patents
Info
- Publication number
- FR2487325B1 FR2487325B1 FR8114249A FR8114249A FR2487325B1 FR 2487325 B1 FR2487325 B1 FR 2487325B1 FR 8114249 A FR8114249 A FR 8114249A FR 8114249 A FR8114249 A FR 8114249A FR 2487325 B1 FR2487325 B1 FR 2487325B1
- Authority
- FR
- France
- 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
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
- C01F7/0646—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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17161680A | 1980-07-23 | 1980-07-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2487325A1 FR2487325A1 (fr) | 1982-01-29 |
| FR2487325B1 true FR2487325B1 (hu) | 1985-04-26 |
Family
ID=22624471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8114249A Granted FR2487325A1 (fr) | 1980-07-23 | 1981-07-22 | Procede de floculation de boues rouges dans la preparation de l'alumine |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5751117A (hu) |
| AU (1) | AU7319781A (hu) |
| BR (1) | BR8104729A (hu) |
| CA (1) | CA1176031A (hu) |
| DE (1) | DE3129019A1 (hu) |
| ES (1) | ES8204397A1 (hu) |
| FR (1) | FR2487325A1 (hu) |
| GB (1) | GB2080272B (hu) |
| GR (1) | GR81418B (hu) |
| HU (1) | HU186395B (hu) |
| IE (1) | IE51418B1 (hu) |
| IT (1) | IT1195978B (hu) |
| YU (1) | YU43029B (hu) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU536264B2 (en) * | 1980-07-23 | 1984-05-03 | Cytec Technology Corp. | Process for alumina recovery |
| US4545902A (en) * | 1984-09-17 | 1985-10-08 | Nalco Chemical Company | Flocculants for bauxite (red mud) |
| 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 |
| JPH03122694U (hu) * | 1990-03-20 | 1991-12-13 | ||
| FR2708587B1 (fr) * | 1993-07-29 | 1995-09-01 | Snf Sa | Procédé pour fluidifier les suspensions aqueuses de boues rouges dans la fabrication de l'alumine par la technique Bayer . |
| US5951955A (en) * | 1995-11-07 | 1999-09-14 | Cytec Technology Corp. | Concentration of solids in the Bayer process |
| US5853677A (en) * | 1996-04-26 | 1998-12-29 | Cytec Technology Corp. | Concentration of solids by flocculating in the Bayer process |
| US6086771A (en) * | 1997-12-12 | 2000-07-11 | Nalco Chemical Company | Water continuous emulsion polymers for improving scale control in the bayer process |
| US6048463A (en) * | 1997-12-12 | 2000-04-11 | Nalco Chemical Company | Water continuous methyl acrylate emulsion polymer combinations and methyl acrylate emulsion homopolymers for improved flocculation of red mud in the bayer process |
| US6036869A (en) * | 1997-12-12 | 2000-03-14 | Nalco Chemical Company | Water continuous methyl acrylate emulsion polymers for improved flocculation of red mud in the Bayer process |
| GB0029077D0 (en) * | 2000-11-29 | 2001-01-10 | Ciba Spec Chem Water Treat Ltd | Flocculation of mineral suspensions |
| GB0103192D0 (en) * | 2001-02-09 | 2001-03-28 | Ciba Spec Chem Water Treat Ltd | Scale removal or prevention |
| CN103547532B (zh) * | 2012-04-26 | 2016-01-20 | 昭和电工株式会社 | 含有针铁矿的赤泥的洗涤方法 |
| CA3117346A1 (en) | 2018-10-31 | 2020-05-07 | Basf Se | Enhanced dewatering of mining tailings employing chemical pre-treatment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3390959A (en) * | 1965-04-30 | 1968-07-02 | Nalco Chemical Co | Process of making alumina |
| US3445187A (en) * | 1966-05-25 | 1969-05-20 | Nalco Chemical Co | Process for separation of red mud from dissolved alumina |
| JPS4837678B1 (hu) * | 1969-04-17 | 1973-11-13 | ||
| NL6906483A (hu) * | 1969-04-30 | 1970-10-27 | ||
| JPS4929080B1 (hu) * | 1970-08-24 | 1974-08-01 | ||
| GB1378981A (en) * | 1972-01-13 | 1975-01-02 | Nalco Chemical Co | Process for the separation of red mud from alumina solutions |
| GB1439057A (en) * | 1973-10-10 | 1976-06-09 | Allied Colloids Ltd | Flocculating agents for alkaline systems |
| US4083925A (en) * | 1976-03-22 | 1978-04-11 | Martin Marietta Aluminum, Inc. | Method for removing ferrous iron from alkali metal aluminate liquor |
-
1981
- 1981-06-09 CA CA000379321A patent/CA1176031A/en not_active Expired
- 1981-07-17 GB GB8122135A patent/GB2080272B/en not_active Expired
- 1981-07-22 BR BR8104729A patent/BR8104729A/pt not_active IP Right Cessation
- 1981-07-22 IE IE1647/81A patent/IE51418B1/en not_active IP Right Cessation
- 1981-07-22 GR GR65583A patent/GR81418B/el unknown
- 1981-07-22 FR FR8114249A patent/FR2487325A1/fr active Granted
- 1981-07-22 JP JP56113777A patent/JPS5751117A/ja active Granted
- 1981-07-22 YU YU1812/81A patent/YU43029B/xx unknown
- 1981-07-22 DE DE19813129019 patent/DE3129019A1/de active Granted
- 1981-07-22 AU AU73197/81A patent/AU7319781A/en not_active Abandoned
- 1981-07-22 IT IT48957/81A patent/IT1195978B/it active
- 1981-07-22 ES ES504178A patent/ES8204397A1/es not_active Expired
- 1981-07-23 HU HU812156A patent/HU186395B/hu not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IE51418B1 (en) | 1986-12-24 |
| BR8104729A (pt) | 1982-04-13 |
| CA1176031A (en) | 1984-10-16 |
| ES504178A0 (es) | 1982-05-16 |
| JPS5751117A (en) | 1982-03-25 |
| DE3129019A1 (de) | 1982-03-18 |
| HU186395B (en) | 1985-07-29 |
| IT1195978B (it) | 1988-11-03 |
| GB2080272A (en) | 1982-02-03 |
| IT8148957A0 (it) | 1981-07-22 |
| JPH024532B2 (hu) | 1990-01-29 |
| GR81418B (hu) | 1984-12-11 |
| DE3129019C2 (hu) | 1993-08-26 |
| ES8204397A1 (es) | 1982-07-16 |
| AU7319781A (en) | 1982-01-28 |
| YU181281A (en) | 1983-10-31 |
| FR2487325A1 (fr) | 1982-01-29 |
| YU43029B (en) | 1989-02-28 |
| IE811647L (en) | 1982-01-23 |
| GB2080272B (en) | 1984-06-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |