WO2002026340A3 - Methods of using natural products as dewatering aids for fine particles - Google Patents
Methods of using natural products as dewatering aids for fine particles Download PDFInfo
- Publication number
- WO2002026340A3 WO2002026340A3 PCT/US2000/026925 US0026925W WO0226340A3 WO 2002026340 A3 WO2002026340 A3 WO 2002026340A3 US 0026925 W US0026925 W US 0026925W WO 0226340 A3 WO0226340 A3 WO 0226340A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fine particles
- dewatering
- hydrophobic
- hydrophobicity
- methods
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/005—Drying solid materials or objects by processes not involving the application of heat by dipping them into or mixing them with a chemical liquid, e.g. organic; chemical, e.g. organic, dewatering aids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers
Abstract
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU7739500A AU7739500A (en) | 2000-09-28 | 2000-09-28 | Methods of using natural products as dewatering aids for fine particles |
AU2000277395A AU2000277395B2 (en) | 2000-09-28 | 2000-09-28 | Methods of using natural products as dewatering aids for fine particles |
DE60043357T DE60043357D1 (en) | 2000-09-28 | 2000-09-28 | PROCESS FOR THE USE OF NATURAL PRODUCTS AS DEHYDRATION AID FOR FINE PARTICLES |
AT00967147T ATE448846T1 (en) | 2000-09-28 | 2000-09-28 | METHOD FOR USING NATURAL PRODUCTS AS DEWATERING AIDS FOR FINE PARTICLES |
PCT/US2000/026925 WO2002026340A2 (en) | 2000-09-28 | 2000-09-28 | Methods of using natural products as dewatering aids for fine particles |
ES00967147T ES2335384T3 (en) | 2000-09-28 | 2000-09-28 | PROCEDURE FOR THE USE OF NATURAL PRODUCTS AS DEHYDRATION ASSISTANTS FOR FINE PARTICLES. |
EP00967147A EP1406711B1 (en) | 2000-09-28 | 2000-09-28 | Methods of using natural products as dewatering aids for fine particles |
PT00967147T PT1406711E (en) | 2000-09-28 | 2000-09-28 | Methods of using natural products as dewatering aids for fine particles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2000/026925 WO2002026340A2 (en) | 2000-09-28 | 2000-09-28 | Methods of using natural products as dewatering aids for fine particles |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002026340A2 WO2002026340A2 (en) | 2002-04-04 |
WO2002026340A3 true WO2002026340A3 (en) | 2004-01-15 |
Family
ID=21741825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/026925 WO2002026340A2 (en) | 2000-09-28 | 2000-09-28 | Methods of using natural products as dewatering aids for fine particles |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1406711B1 (en) |
AT (1) | ATE448846T1 (en) |
AU (2) | AU2000277395B2 (en) |
DE (1) | DE60043357D1 (en) |
ES (1) | ES2335384T3 (en) |
PT (1) | PT1406711E (en) |
WO (1) | WO2002026340A2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2748220A1 (en) * | 2008-12-19 | 2010-07-15 | Dennert Poraver Gmbh | Open-pore formed body and method for the production thereof |
US9896366B2 (en) * | 2014-02-26 | 2018-02-20 | Ecolab Usa Inc. | Alternative additives to enhance slurry dewatering |
CN111646663B (en) * | 2020-06-30 | 2021-08-24 | 广东源控环保科技有限公司 | Process for breaking sludge through hydrodynamic cavitation |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4207186A (en) * | 1978-12-05 | 1980-06-10 | American Cyanamid Company | Process for dewatering mineral concentrates |
US4210531A (en) * | 1977-12-15 | 1980-07-01 | American Cyanamid Company | Process for dewatering mineral concentrates |
US4278208A (en) * | 1977-01-19 | 1981-07-14 | English Clays Lovering Pochin & Co., Ltd. | Comminution of materials |
US4561953A (en) * | 1983-06-16 | 1985-12-31 | Battelle Memorial Institute | Solid-liquid separation process for fine particle suspensions by an electric and ultrasonic field |
US5346630A (en) * | 1990-05-08 | 1994-09-13 | Unilever Patent Holdings B.V. | Coal dewatering |
US5670056A (en) * | 1995-04-17 | 1997-09-23 | Virginia Tech Intellectual Properties, Inc. | Chemical-mechanical dewatering process |
US5814210A (en) * | 1988-01-27 | 1998-09-29 | Virginia Tech Intellectual Properties, Inc. | Apparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2864765A (en) | 1953-09-01 | 1958-12-16 | Internat Nickel Co Inc | Dewatering ore concentrates |
JPS5243477B2 (en) | 1974-03-20 | 1977-10-31 | ||
US4191655A (en) | 1977-07-07 | 1980-03-04 | Betz Laboratories, Inc. | Dewatering composition |
US4206063A (en) | 1978-12-05 | 1980-06-03 | American Cyanamid Company | Dewatering aid composition |
US4410431A (en) | 1982-04-01 | 1983-10-18 | Nalco Chemical Company | Composition for altering the water function characteristics of mineral slurries |
US4447344A (en) | 1983-06-02 | 1984-05-08 | Nalco Chemical Company | Dewatering aids for coal and other mineral particulates |
US4770766A (en) | 1986-03-12 | 1988-09-13 | Otisca Industries, Ltd. | Time-controlled processes for agglomerating coal |
EP0417360B1 (en) | 1988-06-30 | 1993-11-18 | Industrial Minerals Research & Development Pty. Limited | Dewatering of alumina trihydrate, and dewatering aid |
US5048199A (en) | 1989-01-06 | 1991-09-17 | Wen-Don Corporation | Dewatering composition |
US4969928A (en) | 1989-03-03 | 1990-11-13 | The United States Of America As Represented By The United States Department Of Energy | Combined method for simultaneously dewatering and reconstituting finely divided carbonaceous material |
DE3918274A1 (en) | 1989-06-05 | 1990-12-06 | Henkel Kgaa | USE OF HYDROXYMISCHETHERS AS A SOLVENT FOR SOLIDS HEATING |
US5405554A (en) | 1990-02-08 | 1995-04-11 | Cytec Technology Corp. | High performance dewatering aids |
US5167831A (en) | 1991-06-20 | 1992-12-01 | Nalco Chemical Company | Non-ionic surfactants plus fatty-acids as dewatering aids for alumina trihydrate |
US5256169A (en) | 1991-07-12 | 1993-10-26 | Betz Laboratories, Inc. | Methods and compositions for dewatering and suppressing dust during processing of fine coal |
US5379902A (en) | 1993-11-09 | 1995-01-10 | The United States Of America As Represented By The United States Department Of Energy | Method for simultaneous use of a single additive for coal flotation, dewatering, and reconstitution |
-
2000
- 2000-09-28 WO PCT/US2000/026925 patent/WO2002026340A2/en active IP Right Grant
- 2000-09-28 PT PT00967147T patent/PT1406711E/en unknown
- 2000-09-28 DE DE60043357T patent/DE60043357D1/en not_active Expired - Lifetime
- 2000-09-28 EP EP00967147A patent/EP1406711B1/en not_active Expired - Lifetime
- 2000-09-28 AT AT00967147T patent/ATE448846T1/en not_active IP Right Cessation
- 2000-09-28 AU AU2000277395A patent/AU2000277395B2/en not_active Expired
- 2000-09-28 ES ES00967147T patent/ES2335384T3/en not_active Expired - Lifetime
- 2000-09-28 AU AU7739500A patent/AU7739500A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4278208A (en) * | 1977-01-19 | 1981-07-14 | English Clays Lovering Pochin & Co., Ltd. | Comminution of materials |
US4210531A (en) * | 1977-12-15 | 1980-07-01 | American Cyanamid Company | Process for dewatering mineral concentrates |
US4207186A (en) * | 1978-12-05 | 1980-06-10 | American Cyanamid Company | Process for dewatering mineral concentrates |
US4561953A (en) * | 1983-06-16 | 1985-12-31 | Battelle Memorial Institute | Solid-liquid separation process for fine particle suspensions by an electric and ultrasonic field |
US5814210A (en) * | 1988-01-27 | 1998-09-29 | Virginia Tech Intellectual Properties, Inc. | Apparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles |
US5346630A (en) * | 1990-05-08 | 1994-09-13 | Unilever Patent Holdings B.V. | Coal dewatering |
US5670056A (en) * | 1995-04-17 | 1997-09-23 | Virginia Tech Intellectual Properties, Inc. | Chemical-mechanical dewatering process |
Also Published As
Publication number | Publication date |
---|---|
PT1406711E (en) | 2010-01-27 |
AU7739500A (en) | 2002-04-08 |
WO2002026340A2 (en) | 2002-04-04 |
ES2335384T3 (en) | 2010-03-26 |
EP1406711B1 (en) | 2009-11-18 |
EP1406711A2 (en) | 2004-04-14 |
EP1406711A4 (en) | 2005-10-05 |
ATE448846T1 (en) | 2009-12-15 |
AU2000277395B2 (en) | 2005-11-10 |
DE60043357D1 (en) | 2009-12-31 |
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