DE69507617T2 - Verfahren zur stabilisierung von aufschlämmungen - Google Patents
Verfahren zur stabilisierung von aufschlämmungenInfo
- Publication number
- DE69507617T2 DE69507617T2 DE69507617T DE69507617T DE69507617T2 DE 69507617 T2 DE69507617 T2 DE 69507617T2 DE 69507617 T DE69507617 T DE 69507617T DE 69507617 T DE69507617 T DE 69507617T DE 69507617 T2 DE69507617 T2 DE 69507617T2
- Authority
- DE
- Germany
- Prior art keywords
- stabilizing slurries
- slurries
- stabilizing
- 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.)
- Expired - Fee Related
Links
- 239000002002 slurry Substances 0.000 title 1
- 230000000087 stabilizing effect Effects 0.000 title 1
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
- C01F7/066—Treatment of the separated residue
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Analytical Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28996694A | 1994-08-12 | 1994-08-12 | |
PCT/US1995/009112 WO1996005146A1 (en) | 1994-08-12 | 1995-07-19 | A method of stabilizing slurries |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69507617D1 DE69507617D1 (de) | 1999-03-11 |
DE69507617T2 true DE69507617T2 (de) | 1999-06-24 |
Family
ID=23113958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69507617T Expired - Fee Related DE69507617T2 (de) | 1994-08-12 | 1995-07-19 | Verfahren zur stabilisierung von aufschlämmungen |
Country Status (10)
Country | Link |
---|---|
US (1) | US5788867A (de) |
EP (1) | EP0775094B1 (de) |
AU (1) | AU691018B2 (de) |
BR (1) | BR9508580A (de) |
CA (1) | CA2195448A1 (de) |
DE (1) | DE69507617T2 (de) |
ES (1) | ES2126918T3 (de) |
GR (1) | GR3029634T3 (de) |
UA (1) | UA44279C2 (de) |
WO (1) | WO1996005146A1 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
ATE323661T1 (de) | 2000-05-31 | 2006-05-15 | Ciba Spec Chem Water Treat Ltd | Behandlung von mineralischen stoffen |
ES2263844T3 (es) * | 2001-12-07 | 2006-12-16 | Hercules Incorporated | Composicion que comprende fibra celulosica y un copolimero anionico soluble en agua asi como un metodo para obtener dicha composicion. |
US7396874B2 (en) * | 2002-12-06 | 2008-07-08 | Hercules Incorporated | Cationic or amphoteric copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions |
AU2011213769A1 (en) * | 2003-05-07 | 2011-09-15 | Ciba Specialty Chemicals Water Treatments Limited | Treatment of Aqueous Suspensions |
AU2013204568C1 (en) * | 2003-05-07 | 2017-10-19 | Basf Australia Ltd | Treatment of Aqueous Suspensions |
GB0310419D0 (en) * | 2003-05-07 | 2003-06-11 | Ciba Spec Chem Water Treat Ltd | Treatment of aqueous suspensions |
AU2006100744C4 (en) * | 2003-05-07 | 2007-08-02 | Ciba Specialty Chemicals Water Treatments Limited | Treatment of Aqueous Suspensions |
CN101658736B (zh) | 2005-02-25 | 2013-05-29 | Cytec技术有限公司 | 异羟肟酸化聚合物的水包油包水乳液及其使用方法 |
GB0610003D0 (en) | 2006-05-19 | 2006-06-28 | Ciba Sc Holding Ag | Suppression of Dust |
GB0610000D0 (en) * | 2006-05-19 | 2006-06-28 | Ciba Sc Holding Ag | Suppression of Dust |
GB0609998D0 (en) | 2006-05-19 | 2006-06-28 | Ciba Sc Holding Ag | Rehabilitation method |
US20090095678A1 (en) * | 2007-10-15 | 2009-04-16 | Musale Deepak A | Purification of oil sands pond water |
CA2609859C (en) * | 2007-11-02 | 2011-08-23 | Imperial Oil Resources Limited | Recovery of high quality water from produced water arising from a thermal hydrocarbon recovery operation using vacuum technologies |
FR2937635B1 (fr) * | 2008-10-23 | 2010-11-26 | Snf Sas | Procede de traitement hors sol de boues minerales mettant en oeuvre des polymeres |
PL3199218T3 (pl) | 2009-09-15 | 2020-04-30 | Suncor Energy Inc. | Proces osuszania dojrzałych drobnych odpadów z flotacji piasków bitumicznych |
CA2936031C (en) | 2009-09-15 | 2019-09-03 | Adrian Peter Revington | Techniques for flocculating and dewatering fine tailings |
US9068776B2 (en) | 2009-10-30 | 2015-06-30 | Suncor Energy Inc. | Depositing and farming methods for drying oil sand mature fine tailings |
EP2531625A4 (de) * | 2010-02-04 | 2014-12-31 | Smidth As F L | Verfahren zur bearbeitung von bruchfeinmaterialien |
CA2803904C (en) | 2010-07-26 | 2014-01-28 | Sortwell & Co. | Method for dispersing and aggregating components of mineral slurries and high-molecular weight multivalent anionic polymers for clay aggregation |
JP5927807B2 (ja) * | 2011-03-25 | 2016-06-01 | 栗田工業株式会社 | 石炭及び/又は鉄鉱石スラリーの改質方法 |
US8721896B2 (en) | 2012-01-25 | 2014-05-13 | Sortwell & Co. | Method for dispersing and aggregating components of mineral slurries and low molecular weight multivalent polymers for mineral aggregation |
JP6041627B2 (ja) * | 2012-05-16 | 2016-12-14 | 栗田工業株式会社 | 製鉄原料の搬送方法及び製鉄原料固化体の製造方法 |
FR2998291B1 (fr) | 2012-11-16 | 2014-12-05 | Spcm Sa | Methode de traitement des boues minerales par floculation en ligne puis hors sol |
US20140238943A1 (en) | 2013-02-22 | 2014-08-28 | Cedrick Favero | Method For Treating Suspensions Of Solid Particles In Water Using Post Hydrolyzed Polymers |
CA2812275C (en) | 2013-04-10 | 2019-01-08 | Imperial Oil Resources Limited | Systems and methods for separating mine tailings from water-absorbing polymers and regenerating the separated water-absorbing polymers |
CA2812273C (en) | 2013-04-10 | 2019-01-08 | Imperial Oil Resources Limited | Systems and methods for dewatering mine tailings |
US10106443B2 (en) | 2013-04-25 | 2018-10-23 | S.P.C.M. Sa | Composition for treating suspensions of solid particles in water and method using said composition |
EP2949405B1 (de) | 2014-05-30 | 2016-12-14 | S.P.C.M. Sa | Verfahren zur behandlung von suspensionen fester teilchen in wasser mittels kammförmiger polymere |
FR3032700B1 (fr) | 2015-02-12 | 2021-01-22 | Snf Sas | Procede pour le traitement de suspensions de particules solides dans l'eau a l'aide de polymeres amphoteres |
US11111374B2 (en) | 2015-11-16 | 2021-09-07 | Basf Se | Multivalent cation-containing copolymer, process for production thereof and use thereof to treating aqueous dispersions |
FR3064004B1 (fr) | 2017-03-20 | 2019-03-29 | S.P.C.M. Sa | Forme cristalline hydratee de l'acide 2-acrylamido-2-methylpropane sulfonique |
WO2019170697A1 (en) | 2018-03-07 | 2019-09-12 | Basf Se | Process for treating an aqueous slurry and composition for use therein |
CA3117346A1 (en) | 2018-10-31 | 2020-05-07 | Basf Se | Enhanced dewatering of mining tailings employing chemical pre-treatment |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0042678B1 (de) * | 1980-06-13 | 1985-01-16 | Scott Bader Company Limited | Verdickungsverfahren |
US4435528A (en) * | 1981-12-21 | 1984-03-06 | The Dow Chemical Company | Concentrated emulsions of water-soluble polymers |
US4880858A (en) * | 1985-03-05 | 1989-11-14 | Allied Colloids Limited | Water absorbing polymers |
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 |
US4954547A (en) * | 1987-04-23 | 1990-09-04 | Nalco Chemical Company | Use of fatty acids for improvement in shear stability of water-in-oil emulsions |
US4956400A (en) * | 1988-12-19 | 1990-09-11 | American Cyanamid Company | Microemulsified functionalized polymers |
US4956399A (en) * | 1988-12-19 | 1990-09-11 | American Cyanamid Company | Emulsified mannich acrylamide polymers |
GB8905705D0 (en) * | 1989-03-13 | 1989-04-26 | Allied Colloids Ltd | Treatment of bayer process wastes |
US5405898A (en) * | 1993-10-07 | 1995-04-11 | Nalco Chemical Company | Hydroxylamine modified lower acrylate ester latices |
US5518634A (en) * | 1993-12-27 | 1996-05-21 | Nalco Chemical Company | Coagulant for twin belt filter presses |
-
1995
- 1995-07-19 BR BR9508580A patent/BR9508580A/pt not_active Application Discontinuation
- 1995-07-19 EP EP95927287A patent/EP0775094B1/de not_active Expired - Lifetime
- 1995-07-19 WO PCT/US1995/009112 patent/WO1996005146A1/en active IP Right Grant
- 1995-07-19 AU AU31364/95A patent/AU691018B2/en not_active Expired
- 1995-07-19 DE DE69507617T patent/DE69507617T2/de not_active Expired - Fee Related
- 1995-07-19 CA CA002195448A patent/CA2195448A1/en not_active Abandoned
- 1995-07-19 ES ES95927287T patent/ES2126918T3/es not_active Expired - Lifetime
-
1997
- 1997-02-11 UA UA97020595A patent/UA44279C2/uk unknown
- 1997-03-03 US US08/810,281 patent/US5788867A/en not_active Expired - Lifetime
-
1999
- 1999-03-09 GR GR990400724T patent/GR3029634T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
UA44279C2 (uk) | 2002-02-15 |
CA2195448A1 (en) | 1996-02-22 |
US5788867A (en) | 1998-08-04 |
AU3136495A (en) | 1996-03-07 |
WO1996005146A1 (en) | 1996-02-22 |
AU691018B2 (en) | 1998-05-07 |
ES2126918T3 (es) | 1999-04-01 |
DE69507617D1 (de) | 1999-03-11 |
GR3029634T3 (en) | 1999-06-30 |
BR9508580A (pt) | 1997-12-23 |
EP0775094B1 (de) | 1999-01-27 |
EP0775094A1 (de) | 1997-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |