CN1198724A - 在拜耳法中通过添加异羟肟酸化聚合物去除悬浮固体 - Google Patents
在拜耳法中通过添加异羟肟酸化聚合物去除悬浮固体 Download PDFInfo
- Publication number
- CN1198724A CN1198724A CN96197407A CN96197407A CN1198724A CN 1198724 A CN1198724 A CN 1198724A CN 96197407 A CN96197407 A CN 96197407A CN 96197407 A CN96197407 A CN 96197407A CN 1198724 A CN1198724 A CN 1198724A
- Authority
- CN
- China
- Prior art keywords
- salt
- polymer
- polymkeric substance
- acid
- hydroxamic acid
- 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.)
- Pending
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/550,908 | 1995-10-31 | ||
| US08/550,908 US5601726A (en) | 1994-06-06 | 1995-10-31 | Hydroxameted polymers in the bayer process to reduce solids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1198724A true CN1198724A (zh) | 1998-11-11 |
Family
ID=24199067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96197407A Pending CN1198724A (zh) | 1995-10-31 | 1996-10-28 | 在拜耳法中通过添加异羟肟酸化聚合物去除悬浮固体 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5601726A (enExample) |
| EP (1) | EP0858430B1 (enExample) |
| CN (1) | CN1198724A (enExample) |
| AT (1) | ATE196129T1 (enExample) |
| AU (1) | AU699929B2 (enExample) |
| BR (1) | BR9611181A (enExample) |
| DE (1) | DE69610215D1 (enExample) |
| IN (1) | IN190927B (enExample) |
| OA (1) | OA10763A (enExample) |
| RU (1) | RU2147013C1 (enExample) |
| UA (1) | UA53631C2 (enExample) |
| WO (1) | WO1997016378A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245509A (zh) * | 2008-10-17 | 2011-11-16 | 塞特克技术公司 | 含硅聚合物在由铝土矿生产氧化铝的过程中改善固体絮凝作用的用途 |
| CN105073642A (zh) * | 2013-03-13 | 2015-11-18 | 纳尔科公司 | 交联的乙基磺化二羟丙基纤维素 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE149971T1 (de) * | 1992-12-14 | 1997-03-15 | Nalco Chemical Co | Änderung der trihydrat-kristalle im bayer- verfahren |
| US5951955A (en) * | 1995-11-07 | 1999-09-14 | Cytec Technology Corp. | Concentration of solids in the Bayer process |
| WO1997017293A1 (en) * | 1995-11-07 | 1997-05-15 | Cytec Technology Corp. | Reduction of impurities in bayer process alumina trihydrate |
| US5853677A (en) * | 1996-04-26 | 1998-12-29 | Cytec Technology Corp. | Concentration of solids by flocculating in the Bayer process |
| AU726700B2 (en) * | 1996-10-16 | 2000-11-16 | Nalco Chemical Company | Improved flocculation 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 |
| 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 |
| 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 |
| US6248302B1 (en) | 2000-02-04 | 2001-06-19 | Goldendale Aluminum Company | Process for treating red mud to recover metal values therefrom |
| US6432321B1 (en) * | 2000-09-19 | 2002-08-13 | Baffin, Inc. | Elixir for inducing high-speed settlement of precipatates |
| ES2646563T3 (es) * | 2005-02-25 | 2017-12-14 | Cytec Technology Corp. | Emulsiones de agua en aceite en agua de polímeros hidroxamatados y métodos para utilizar las mismas |
| AU2013201696B2 (en) * | 2007-04-20 | 2014-03-27 | Cytec Technology Corp. | Use of silicon-containing polymers to improve red mud flocculation in the Bayer process |
| CN101675004B (zh) * | 2007-04-20 | 2013-05-08 | 氰特技术公司 | 含硅聚合物对提高bayer加工中赤泥絮凝的用途 |
| US7631821B2 (en) * | 2007-05-25 | 2009-12-15 | Nalco Company | Improving grinding in a alumina extraction process |
| US10427950B2 (en) | 2015-12-04 | 2019-10-01 | Ecolab Usa Inc. | Recovery of mining processing product using boronic acid-containing polymers |
| WO2022174005A1 (en) | 2021-02-12 | 2022-08-18 | Ecolab Usa Inc. | Purification of bauxite ores using boronic acid-functional compounds |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3493499A (en) * | 1968-05-16 | 1970-02-03 | Dow Chemical Co | Flocculation of saline solid suspensions |
| AU536264B2 (en) * | 1980-07-23 | 1984-05-03 | Cytec Technology Corp. | Process for alumina recovery |
| US4678585A (en) * | 1981-12-30 | 1987-07-07 | American Cyanamid Company | Process for alumina recovery |
| US4478795A (en) * | 1982-10-18 | 1984-10-23 | Diamond Shamrock Chemicals Company | Aluminum trihydroxide deliquoring with anionic polymers |
| US4545902A (en) * | 1984-09-17 | 1985-10-08 | Nalco Chemical Company | Flocculants for bauxite (red mud) |
| GB8519107D0 (en) * | 1985-07-29 | 1985-09-04 | Allied Colloids Ltd | Flocculation process |
| 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 |
| GB8907995D0 (en) * | 1989-04-10 | 1989-05-24 | Allied Colloids Ltd | Recovery of alumina trihydrate in the bayer process |
| US5178774A (en) * | 1990-06-29 | 1993-01-12 | Allied Colloids Limited | Purification of aqueous liquor |
| CA2105333A1 (en) * | 1992-09-14 | 1994-03-15 | Robert P. Mahoney | Trihydrate clarification aid for the bayer process |
| US5217620A (en) * | 1992-11-23 | 1993-06-08 | Nalco Chemical Company | Clarification aid for the Bayer process |
| US5539046A (en) * | 1994-11-04 | 1996-07-23 | Cytec Technology Corp. | Blends of hydroxamated polymer emulsions with polyacrylate emulsions |
-
1995
- 1995-10-31 US US08/550,908 patent/US5601726A/en not_active Expired - Fee Related
-
1996
- 1996-10-28 DE DE69610215T patent/DE69610215D1/de not_active Expired - Lifetime
- 1996-10-28 CN CN96197407A patent/CN1198724A/zh active Pending
- 1996-10-28 WO PCT/US1996/017250 patent/WO1997016378A1/en not_active Ceased
- 1996-10-28 AU AU74800/96A patent/AU699929B2/en not_active Expired
- 1996-10-28 RU RU98110080A patent/RU2147013C1/ru active
- 1996-10-28 BR BR9611181-0A patent/BR9611181A/pt not_active Application Discontinuation
- 1996-10-28 EP EP96937036A patent/EP0858430B1/en not_active Expired - Lifetime
- 1996-10-28 UA UA98052810A patent/UA53631C2/uk unknown
- 1996-10-28 AT AT96937036T patent/ATE196129T1/de not_active IP Right Cessation
- 1996-10-30 IN IN1879CA1996 patent/IN190927B/en unknown
-
1998
- 1998-04-29 OA OA9800047A patent/OA10763A/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245509A (zh) * | 2008-10-17 | 2011-11-16 | 塞特克技术公司 | 含硅聚合物在由铝土矿生产氧化铝的过程中改善固体絮凝作用的用途 |
| CN102245509B (zh) * | 2008-10-17 | 2014-08-13 | 塞特克技术公司 | 含硅聚合物在由铝土矿生产氧化铝的过程中改善固体絮凝作用的用途 |
| CN105073642A (zh) * | 2013-03-13 | 2015-11-18 | 纳尔科公司 | 交联的乙基磺化二羟丙基纤维素 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU699929B2 (en) | 1998-12-17 |
| RU2147013C1 (ru) | 2000-03-27 |
| BR9611181A (pt) | 1999-12-28 |
| UA53631C2 (uk) | 2003-02-17 |
| DE69610215D1 (de) | 2000-10-12 |
| AU7480096A (en) | 1997-05-22 |
| OA10763A (en) | 2002-12-13 |
| EP0858430B1 (en) | 2000-09-06 |
| ATE196129T1 (de) | 2000-09-15 |
| IN190927B (enExample) | 2003-09-06 |
| EP0858430A1 (en) | 1998-08-19 |
| US5601726A (en) | 1997-02-11 |
| WO1997016378A1 (en) | 1997-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1198724A (zh) | 在拜耳法中通过添加异羟肟酸化聚合物去除悬浮固体 | |
| RU2509056C2 (ru) | Использование кремнийсодержащих полимеров для интенсификации флоккуляции твердых частиц в процессах производства глинозема из бокситов | |
| AU689350B2 (en) | Blends of hydroxamated polymer emulsions with polyacrylate emulsions | |
| US5853677A (en) | Concentration of solids by flocculating in the Bayer process | |
| US5665244A (en) | Reduction of impurities in bayer process alumina trihydrate | |
| US6599489B2 (en) | Aluminum trihydrate crystals and improved method for the production thereof | |
| US6726845B1 (en) | Dextran starch and flocculant combination for improving red mud clarification | |
| US5286391A (en) | Red mud flocculation | |
| US5951955A (en) | Concentration of solids in the Bayer process | |
| EP1089797B1 (en) | Dextran starch and flocculant combination for improving red mud clarification | |
| IE930677A1 (en) | Trihydrate clarification aid for the bayer process | |
| EP0686599B1 (en) | Process for improving the settling rate and/or clarity of feeds in the bayer process | |
| AU712311B2 (en) | Concentration of solids in the bayer process | |
| AU669284B2 (en) | Use of hydroxamic acid containing polymers to improve filtration of settler overflow in Kelly filters in the Bayer process | |
| CA2236043A1 (en) | Hydroxamated polymers in the bayer process | |
| CA2234917A1 (en) | Concentration of solids in the bayer process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |