DE69605444D1 - Entwässerung von wässrigen suspensionen - Google Patents

Entwässerung von wässrigen suspensionen

Info

Publication number
DE69605444D1
DE69605444D1 DE69605444T DE69605444T DE69605444D1 DE 69605444 D1 DE69605444 D1 DE 69605444D1 DE 69605444 T DE69605444 T DE 69605444T DE 69605444 T DE69605444 T DE 69605444T DE 69605444 D1 DE69605444 D1 DE 69605444D1
Authority
DE
Germany
Prior art keywords
drainage
aqueous suspensions
suspensions
aqueous
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
Application number
DE69605444T
Other languages
English (en)
Other versions
DE69605444T2 (de
Inventor
Anthony Allen
Philip Mccoll
George Staines
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ciba Specialty Chemicals Water Treatments Ltd
Original Assignee
Ciba Specialty Chemicals Water Treatments Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ciba Specialty Chemicals Water Treatments Ltd filed Critical Ciba Specialty Chemicals Water Treatments Ltd
Application granted granted Critical
Publication of DE69605444D1 publication Critical patent/DE69605444D1/de
Publication of DE69605444T2 publication Critical patent/DE69605444T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/56—Macromolecular compounds
    • 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
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C08L101/02—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S524/922—Flocculating, clarifying, or fining compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
DE69605444T 1995-08-08 1996-08-07 Entwässerung von wässrigen suspensionen Expired - Fee Related DE69605444T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9516254.1A GB9516254D0 (en) 1995-08-08 1995-08-08 Dewatering of aqueous suspensions
PCT/GB1996/001917 WO1997006111A1 (en) 1995-08-08 1996-08-07 Dewatering of aqueous suspensions

Publications (2)

Publication Number Publication Date
DE69605444D1 true DE69605444D1 (de) 2000-01-05
DE69605444T2 DE69605444T2 (de) 2000-07-06

Family

ID=10778948

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69605444T Expired - Fee Related DE69605444T2 (de) 1995-08-08 1996-08-07 Entwässerung von wässrigen suspensionen

Country Status (10)

Country Link
US (2) US6063291A (de)
EP (2) EP0940449A1 (de)
AU (1) AU691124B2 (de)
CA (1) CA2223855A1 (de)
DE (1) DE69605444T2 (de)
ES (1) ES2142599T3 (de)
GB (1) GB9516254D0 (de)
PL (1) PL185297B1 (de)
WO (1) WO1997006111A1 (de)
ZA (1) ZA966764B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9516254D0 (en) * 1995-08-08 1995-10-11 Allied Colloids Ltd Dewatering of aqueous suspensions
GB9801524D0 (en) 1998-01-23 1998-03-25 Allied Colloids Ltd Thickening of aqueous mineral suspensions
GB9807047D0 (en) * 1998-04-01 1998-06-03 Allied Colloids Ltd Dewatering of organic suspensions
GB9807046D0 (en) * 1998-04-01 1998-06-03 Allied Colloids Ltd Dewatering of aqueous suspensions
GB0109087D0 (en) * 2001-04-11 2001-05-30 Ciba Spec Chem Water Treat Ltd Treatment of suspensions
US20050061750A1 (en) * 2003-09-23 2005-03-24 Polymer Ventures, Inc. Methods for the purification of contaminated waters
US7244361B2 (en) * 2003-11-20 2007-07-17 Ciba Specialty Chemicals Water Treatments Ltd. Metals/minerals recovery and waste treatment process
GB0405493D0 (en) * 2004-03-12 2004-04-21 Ciba Spec Chem Water Treat Ltd Dewatering process
GB0405504D0 (en) * 2004-03-12 2004-04-21 Ciba Spec Chem Water Treat Ltd Dewatering process
GB0405505D0 (en) * 2004-03-12 2004-04-21 Ciba Spec Chem Water Treat Ltd Dewatering process
ES2259932B1 (es) * 2005-04-13 2008-04-01 Lodos Secos, S.L. Procedimiento de tratamiento de lodos.
US9909070B2 (en) 2009-09-15 2018-03-06 Suncor Energy Inc. Process for flocculating and dewatering oil sand mature fine tailings
US9404686B2 (en) 2009-09-15 2016-08-02 Suncor Energy Inc. Process for dying oil sand mature fine tailings
EP2493586A4 (de) 2009-10-30 2014-07-23 Suncor Energy Inc Ablagerungs- und aufbereitungsverfahren zur trocknung von reifem bruchfeinmaterial aus ölsand
US20150034562A1 (en) * 2013-07-31 2015-02-05 S.P.C.M. Sa Method for dewatering suspensions of solid particles in water
EP3377544A1 (de) 2015-11-16 2018-09-26 Basf Se Multivalentes kationenhaltiges polymer, verfahren zur herstellung davon und verwendung davon zur behandlung von wässrigen dispersionen
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 (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539510A (en) * 1967-06-12 1970-11-10 Dow Chemical Co Flocculation with modified anionic polymers
US4041006A (en) * 1975-04-25 1977-08-09 Rohm And Haas Company Flocculant composition and process
JPS6038200B2 (ja) * 1982-04-22 1985-08-30 栗田工業株式会社 汚泥脱水法
US5130358A (en) * 1983-02-01 1992-07-14 Sandoz Ltd. Compositions useful as flocculating agents comprising a hydrophilic cationic polymer and an anionic surfactant
US4489180A (en) * 1983-12-12 1984-12-18 Exxon Research And Engineering Co. Drag reduction agent utilizing water soluble interpolymer complexes
JPS60129200A (ja) * 1983-12-15 1985-07-10 Kurita Water Ind Ltd 汚泥脱水方法
JPS60202787A (ja) * 1984-03-27 1985-10-14 Kurita Water Ind Ltd 含油排水の処理方法
GB8410971D0 (en) * 1984-04-30 1984-06-06 Allied Colloids Ltd Flocculants and processes
US4943378A (en) * 1985-04-25 1990-07-24 Allied Colloids Ltd. Flocculation processes
US5338406A (en) * 1988-10-03 1994-08-16 Hercules Incorporated Dry strength additive for paper
US5112500A (en) * 1990-06-29 1992-05-12 Allied Colloids Limited Purification of aqueous liquor
US5200086A (en) * 1991-08-20 1993-04-06 Nalco Chemical Company Emulsion destabilization and treatment
JP2592199B2 (ja) * 1992-10-13 1997-03-19 鹿島建設株式会社 シールド工法用資機材の自動搬送装置
US5529588A (en) * 1993-12-06 1996-06-25 Nalco Chemical Company Method of dewatering coal using vinyl amine-containing coagulants
GB9516254D0 (en) * 1995-08-08 1995-10-11 Allied Colloids Ltd Dewatering of aqueous suspensions
GB9801524D0 (en) * 1998-01-23 1998-03-25 Allied Colloids Ltd Thickening of aqueous mineral suspensions

Also Published As

Publication number Publication date
US6063291A (en) 2000-05-16
EP0861214B1 (de) 1999-12-01
GB9516254D0 (en) 1995-10-11
DE69605444T2 (de) 2000-07-06
ZA966764B (en) 1997-08-08
ES2142599T3 (es) 2000-04-16
AU691124B2 (en) 1998-05-07
EP0940449A1 (de) 1999-09-08
PL324895A1 (en) 1998-06-22
US6376561B1 (en) 2002-04-23
CA2223855A1 (en) 1997-02-20
PL185297B1 (pl) 2003-04-30
EP0861214A1 (de) 1998-09-02
WO1997006111A1 (en) 1997-02-20
AU6665496A (en) 1997-03-05

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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