DE3245806A1 - Verfahren zur aluminiumoxid-gewinnung - Google Patents
Verfahren zur aluminiumoxid-gewinnungInfo
- Publication number
- DE3245806A1 DE3245806A1 DE19823245806 DE3245806A DE3245806A1 DE 3245806 A1 DE3245806 A1 DE 3245806A1 DE 19823245806 DE19823245806 DE 19823245806 DE 3245806 A DE3245806 A DE 3245806A DE 3245806 A1 DE3245806 A1 DE 3245806A1
- Authority
- DE
- Germany
- Prior art keywords
- acrylic acid
- added
- acrylate
- flocculant
- stage
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D3/00—Differential sedimentation
- B03D3/06—Flocculation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/016—Macromolecular compounds
-
- 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
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/008—Organic compounds containing oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/01—Organic compounds containing nitrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/002—Coagulants and Flocculants
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (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 |
---|---|---|---|
US33549981A | 1981-12-30 | 1981-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3245806A1 true DE3245806A1 (de) | 1983-07-07 |
Family
ID=23312043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823245806 Withdrawn DE3245806A1 (de) | 1981-12-30 | 1982-12-10 | Verfahren zur aluminiumoxid-gewinnung |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS58120517A (it) |
AU (1) | AU536264B2 (it) |
BR (1) | BR8207566A (it) |
CA (1) | CA1192322A (it) |
DE (1) | DE3245806A1 (it) |
ES (1) | ES518556A0 (it) |
FR (1) | FR2518985B1 (it) |
GB (1) | GB2112366A (it) |
GR (1) | GR78426B (it) |
IT (1) | IT1158038B (it) |
YU (1) | YU243882A (it) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3532079A1 (de) * | 1984-09-17 | 1986-03-27 | Nalco Chemical Co., Oak Brook, Ill. | Verfahren zur entfernung von suspendiertem rotschlamm aus waessrigen tonerde-haltigen loesungen |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2154224A (en) * | 1984-02-13 | 1985-09-04 | Engelhard Corp | Clay dewatering process |
US4608237A (en) * | 1985-04-24 | 1986-08-26 | Nalco Chemical Company | Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation |
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 |
AU627469B2 (en) * | 1988-07-18 | 1992-08-27 | Allied Colloids Limited | Recovery of alumina from bauxite |
GB8907995D0 (en) * | 1989-04-10 | 1989-05-24 | Allied Colloids Ltd | Recovery of alumina trihydrate in the bayer process |
UA41905C2 (uk) * | 1994-06-06 | 2001-10-15 | Сайтек Текнолоджі Корп. | Спосіб виготовлення глинозему за методом бауера |
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 |
AU2013231168B2 (en) | 2012-04-26 | 2015-05-14 | Showa Denko K.K. | Washing method of goethite-containing red mud |
CN103406091B (zh) * | 2013-07-22 | 2015-04-08 | 沈阳理工大学 | 一种(甲基)丙烯酸生产废水制备钛酸盐吸附剂的方法 |
CN103480499B (zh) * | 2013-09-25 | 2015-07-15 | 中国地质科学院郑州矿产综合利用研究所 | 一种用于一水硬铝石型铝土矿正浮选的调整剂及其使用方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3445187A (en) * | 1966-05-25 | 1969-05-20 | Nalco Chemical Co | Process for separation of red mud from dissolved alumina |
JPS4837678B1 (it) * | 1969-04-17 | 1973-11-13 | ||
NL6906483A (it) * | 1969-04-30 | 1970-10-27 | ||
JPS4929080B1 (it) * | 1970-08-24 | 1974-08-01 | ||
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 |
CA1176031A (en) * | 1980-07-23 | 1984-10-16 | American Cyanamid Company | Process for alumina recovery |
-
1982
- 1982-02-18 AU AU80609/82A patent/AU536264B2/en not_active Expired
- 1982-10-12 GB GB08229064A patent/GB2112366A/en not_active Withdrawn
- 1982-11-01 YU YU02438/82A patent/YU243882A/xx unknown
- 1982-11-12 CA CA000415406A patent/CA1192322A/en not_active Expired
- 1982-12-10 DE DE19823245806 patent/DE3245806A1/de not_active Withdrawn
- 1982-12-13 FR FR828220873A patent/FR2518985B1/fr not_active Expired
- 1982-12-20 GR GR70109A patent/GR78426B/el unknown
- 1982-12-22 IT IT49718/82A patent/IT1158038B/it active
- 1982-12-23 JP JP57225102A patent/JPS58120517A/ja active Pending
- 1982-12-24 ES ES518556A patent/ES518556A0/es active Granted
- 1982-12-29 BR BR8207566A patent/BR8207566A/pt unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3532079A1 (de) * | 1984-09-17 | 1986-03-27 | Nalco Chemical Co., Oak Brook, Ill. | Verfahren zur entfernung von suspendiertem rotschlamm aus waessrigen tonerde-haltigen loesungen |
Also Published As
Publication number | Publication date |
---|---|
FR2518985B1 (fr) | 1985-07-26 |
GB2112366A (en) | 1983-07-20 |
FR2518985A1 (fr) | 1983-07-01 |
IT8249718A0 (it) | 1982-12-22 |
IT1158038B (it) | 1987-02-18 |
ES8405641A1 (es) | 1984-06-16 |
YU243882A (en) | 1985-03-20 |
CA1192322A (en) | 1985-08-20 |
AU536264B2 (en) | 1984-05-03 |
BR8207566A (pt) | 1983-10-25 |
ES518556A0 (es) | 1984-06-16 |
GR78426B (it) | 1984-09-27 |
AU8060982A (en) | 1983-07-07 |
JPS58120517A (ja) | 1983-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8139 | Disposal/non-payment of the annual fee |