BR9708756A - Processo polímero solúvel em água e processo para remover sólidos em suspensão do processo de alumina bayer - Google Patents
Processo polímero solúvel em água e processo para remover sólidos em suspensão do processo de alumina bayerInfo
- Publication number
- BR9708756A BR9708756A BR9708756A BR9708756A BR9708756A BR 9708756 A BR9708756 A BR 9708756A BR 9708756 A BR9708756 A BR 9708756A BR 9708756 A BR9708756 A BR 9708756A BR 9708756 A BR9708756 A BR 9708756A
- Authority
- BR
- Brazil
- Prior art keywords
- water
- soluble polymer
- suspended solids
- removing suspended
- alumina
- Prior art date
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62629796A | 1996-04-01 | 1996-04-01 | |
| PCT/US1997/004774 WO1997036941A1 (en) | 1996-04-01 | 1997-03-26 | Method of making polymers containing hydroxamate functional groups |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9708756A true BR9708756A (pt) | 1999-08-03 |
Family
ID=24509802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9708756A BR9708756A (pt) | 1996-04-01 | 1997-03-26 | Processo polímero solúvel em água e processo para remover sólidos em suspensão do processo de alumina bayer |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US5847056A (pt) |
| EP (1) | EP0891380B1 (pt) |
| CN (1) | CN1214702A (pt) |
| AR (1) | AR006460A1 (pt) |
| AT (1) | ATE197054T1 (pt) |
| AU (1) | AU720068B2 (pt) |
| BR (1) | BR9708756A (pt) |
| DE (1) | DE69703346T2 (pt) |
| ES (1) | ES2151724T3 (pt) |
| GR (1) | GR3035273T3 (pt) |
| ID (1) | ID18756A (pt) |
| MY (1) | MY118983A (pt) |
| PE (1) | PE24398A1 (pt) |
| PL (1) | PL189570B1 (pt) |
| RU (1) | RU2174987C2 (pt) |
| WO (1) | WO1997036941A1 (pt) |
| ZA (1) | ZA972629B (pt) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US6669852B2 (en) | 2000-10-30 | 2003-12-30 | Showa Denko Kabushiki Kaisha | Separation method of goethite-containing red mud |
| JP2002137919A (ja) * | 2000-10-30 | 2002-05-14 | Showa Denko Kk | ゲーサイトを含む赤泥の分離方法 |
| AU2009303763B8 (en) * | 2008-10-17 | 2014-05-15 | Cytec Technology Corp. | Use of silicon-containing polymers for improved flocculation of solids in processes for the production of alumina from bauxite |
| DE102009019852A1 (de) | 2009-05-06 | 2010-11-11 | Schebo Biotech Ag | Polymere mit neuen Strukturelementen, Verfahren zu ihrer Herstellung und ihre Verwendung |
| CN103204963B (zh) * | 2013-04-19 | 2015-04-22 | 重庆工商大学 | 异羟肟酸聚合物的合成方法 |
| CN103304713B (zh) * | 2013-06-19 | 2015-10-21 | 中南大学 | 一种聚n-己基羟肟酸丙烯酰胺的高分子及其制备和应用方法 |
| CN103464124B (zh) * | 2013-10-09 | 2015-04-15 | 南京大学 | 一种海绵状应急吸附材料及其制备方法 |
| CN103586001B (zh) * | 2013-10-23 | 2015-04-22 | 中北大学 | 羟肟酸功能化聚合物/无机复合螯合吸附材料及其制备方法 |
| ES2845677T3 (es) | 2016-06-07 | 2021-07-27 | Cytec Ind Inc | Floculantes de polímero que contienen silicio |
| CN109678185A (zh) * | 2018-12-18 | 2019-04-26 | 杭州科创有色金属研究有限公司 | 一种用于氧化铝生产中粗液精制的装置及其方法 |
| CN110950415B (zh) * | 2019-11-29 | 2022-01-25 | 威海汉邦生物环保科技股份有限公司 | 一种生物多糖基重金属捕捉剂及其制备方法 |
| CN113502557B (zh) * | 2021-06-28 | 2023-05-23 | 深圳职业技术学院 | 一种抗菌改性聚丙烯酸酯纤维及其制备方法和应用 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4874539A (en) * | 1987-08-06 | 1989-10-17 | American Cyanamid Company | Carboxy hydroxamic acid polymers and their use as detergent additives |
| US4868248A (en) * | 1989-03-22 | 1989-09-19 | Nalco Chemical Company | Polyhydroxyamic acid polymers from polyacrylic acids |
| EP0514649B1 (en) * | 1991-05-23 | 2000-10-25 | Cytec Technology Corp. | Stabilization of aqueous solutions of watersoluble polymers in the presence of hydroxylamine |
| US5405898A (en) * | 1993-10-07 | 1995-04-11 | Nalco Chemical Company | Hydroxylamine modified lower acrylate ester latices |
| US5395897A (en) * | 1994-01-18 | 1995-03-07 | Nalco Chemical Company | High molecular weight substituted amides from polycarboxylic acids |
-
1997
- 1997-03-10 MY MYPI97000987A patent/MY118983A/en unknown
- 1997-03-21 PE PE1997000222A patent/PE24398A1/es not_active Application Discontinuation
- 1997-03-24 ID IDP970960A patent/ID18756A/id unknown
- 1997-03-26 PL PL97329047A patent/PL189570B1/pl unknown
- 1997-03-26 CN CN97193396A patent/CN1214702A/zh active Pending
- 1997-03-26 EP EP97916201A patent/EP0891380B1/en not_active Expired - Lifetime
- 1997-03-26 WO PCT/US1997/004774 patent/WO1997036941A1/en active IP Right Grant
- 1997-03-26 RU RU98119837/04A patent/RU2174987C2/ru not_active IP Right Cessation
- 1997-03-26 DE DE69703346T patent/DE69703346T2/de not_active Expired - Lifetime
- 1997-03-26 AU AU23441/97A patent/AU720068B2/en not_active Expired
- 1997-03-26 ES ES97916201T patent/ES2151724T3/es not_active Expired - Lifetime
- 1997-03-26 AT AT97916201T patent/ATE197054T1/de not_active IP Right Cessation
- 1997-03-26 ZA ZA9702629A patent/ZA972629B/xx unknown
- 1997-03-26 BR BR9708756A patent/BR9708756A/pt not_active IP Right Cessation
- 1997-03-31 AR ARP970101283A patent/AR006460A1/es unknown
- 1997-07-01 US US08/886,228 patent/US5847056A/en not_active Expired - Lifetime
-
2001
- 2001-01-18 GR GR20010400090T patent/GR3035273T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES2151724T3 (es) | 2001-01-01 |
| PE24398A1 (es) | 1998-05-08 |
| DE69703346D1 (de) | 2000-11-23 |
| DE69703346T2 (de) | 2001-03-08 |
| EP0891380B1 (en) | 2000-10-18 |
| RU2174987C2 (ru) | 2001-10-20 |
| AU720068B2 (en) | 2000-05-25 |
| WO1997036941A1 (en) | 1997-10-09 |
| AR006460A1 (es) | 1999-08-25 |
| ATE197054T1 (de) | 2000-11-15 |
| CN1214702A (zh) | 1999-04-21 |
| US5847056A (en) | 1998-12-08 |
| GR3035273T3 (en) | 2001-04-30 |
| AU2344197A (en) | 1997-10-22 |
| PL329047A1 (en) | 1999-03-01 |
| PL189570B1 (pl) | 2005-08-31 |
| ZA972629B (en) | 1997-10-20 |
| ID18756A (id) | 1998-05-07 |
| MY118983A (en) | 2005-02-28 |
| EP0891380A1 (en) | 1999-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
| FF | Decision: intention to grant | ||
| FG9A | Patent or certificate of addition granted | ||
| B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |