DK0764140T3 - Afvanding af suspensioner - Google Patents

Afvanding af suspensioner

Info

Publication number
DK0764140T3
DK0764140T3 DK95921892T DK95921892T DK0764140T3 DK 0764140 T3 DK0764140 T3 DK 0764140T3 DK 95921892 T DK95921892 T DK 95921892T DK 95921892 T DK95921892 T DK 95921892T DK 0764140 T3 DK0764140 T3 DK 0764140T3
Authority
DK
Denmark
Prior art keywords
pct
separated liquor
flocculant
sec
suspension
Prior art date
Application number
DK95921892T
Other languages
English (en)
Inventor
Jens Sorensen
John Rodney Field
Original Assignee
Cdm Ab
Ciba Spec Chem Water Treat 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 Cdm Ab, Ciba Spec Chem Water Treat Ltd filed Critical Cdm Ab
Application granted granted Critical
Publication of DK0764140T3 publication Critical patent/DK0764140T3/da

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
    • 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
    • Y10S210/00—Liquid purification or separation
    • Y10S210/928—Paper mill waste, e.g. white water, black liquor treated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Drying Of Solid Materials (AREA)
  • Filtration Of Liquid (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DK95921892T 1994-06-08 1995-06-08 Afvanding af suspensioner DK0764140T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9411444A GB9411444D0 (en) 1994-06-08 1994-06-08 Dewatering of suspensions
PCT/GB1995/001333 WO1995033697A1 (en) 1994-06-08 1995-06-08 Dewatering of suspensions

Publications (1)

Publication Number Publication Date
DK0764140T3 true DK0764140T3 (da) 1999-07-12

Family

ID=10756370

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95921892T DK0764140T3 (da) 1994-06-08 1995-06-08 Afvanding af suspensioner

Country Status (11)

Country Link
US (1) US5846433A (da)
EP (1) EP0764140B1 (da)
AT (1) ATE172700T1 (da)
AU (1) AU2677795A (da)
CA (1) CA2192388C (da)
DE (1) DE69505665T2 (da)
DK (1) DK0764140T3 (da)
ES (1) ES2124555T3 (da)
GB (1) GB9411444D0 (da)
WO (1) WO1995033697A1 (da)
ZA (1) ZA954744B (da)

Families Citing this family (40)

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CA2264803A1 (en) * 1996-10-03 1998-04-09 Cytec Technology Corp. Aqueous dispersions
AT406671B (de) * 1996-11-22 2000-07-25 Andritz Patentverwaltung Verfahren zur trocknung von schlamm, insbesondere klärschlamm
MY118538A (en) * 1997-01-20 2004-12-31 Ciba Spec Chem Water Treat Ltd Polymeric compositions and their production and uses
US6083404A (en) * 1998-09-18 2000-07-04 Nalco Chemical Company Method of dewatering difficult sludges
US7422692B1 (en) * 1999-04-12 2008-09-09 Launeil Neil Sanders Raw influent treatment processes eliminating secondary biological treatment
SE9901772D0 (sv) * 1999-05-14 1999-05-14 Sven Bernhardsson Processtyrning
US6240585B1 (en) 1999-06-02 2001-06-05 Washing Systems, Inc. Method of treating wastewater from industrial laundries
ES2193633T3 (es) * 1999-07-16 2003-11-01 Nordland Papier Gmbh Procedimiento para la optimizacion de la dosificacion de agente de cambio de carga para pasta de papel recuperada.
GB9916748D0 (en) * 1999-07-19 1999-09-15 Ciba Spec Chem Water Treat Ltd Process for the flocculation of suspensions
US6312560B1 (en) * 1999-07-23 2001-11-06 Huntsman Ethyleneamines Ltd. Use of alkyleneamines for enhancing lime mud dewatering
DE19941072A1 (de) 1999-08-30 2001-03-01 Stockhausen Chem Fab Gmbh Polymerisatzusammensetzung und ein Verfahren zu dessen Herstellung
GB2361915B (en) * 2000-05-05 2002-12-24 Genesis Fluid Solutions Llc High speed dewatering of slurries
GB0020862D0 (en) * 2000-08-25 2000-10-11 Ciba Spec Chem Water Treat Ltd Polymeric compositions for dewatering sewage sludges
GB0108548D0 (en) 2001-04-05 2001-05-23 Ciba Spec Chem Water Treat Ltd Process for flocculating suspensions
GB0109087D0 (en) 2001-04-11 2001-05-30 Ciba Spec Chem Water Treat Ltd Treatment of suspensions
US7250462B2 (en) * 2001-06-11 2007-07-31 Hymo Corporation Amphoteric water-soluble polymer dispersion and use thereof
US8123944B2 (en) * 2001-08-28 2012-02-28 Clearvalue Technologies, Inc. Processes of aqueous solids treatment
AU2003210587B2 (en) * 2002-01-22 2008-08-21 Flsmidth A/S Hot-gas pressure-filter apparatus
GB0218021D0 (en) * 2002-08-05 2002-09-11 Ciba Spec Chem Water Treat Ltd Production of a fermentation product
CA2560901C (en) * 2003-08-29 2012-08-21 The University Of Newcastle Research Associates Limited Stimulant sensitive flocculation and consolidation
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
GB0405506D0 (en) * 2004-03-12 2004-04-21 Ciba Spec Chem Water Treat Ltd Dewatering process
EP1855996A1 (en) * 2005-02-15 2007-11-21 Georgia Technology Research Corporation Method for improving the consolidation and dewatering of suspended particulate matter
WO2006116227A2 (en) * 2005-04-22 2006-11-02 Siemens Water Technologies Holding Corp. Vibratory mixer
US8512523B2 (en) * 2006-02-14 2013-08-20 Georgia Tech Research Corporation Method for altering the tack of materials
US20090211982A1 (en) * 2008-02-22 2009-08-27 Water Solutions, Inc. Process for treating effluent liquid fraction from post anaerobic digestion
CA2629593A1 (en) * 2008-04-11 2009-10-11 James Michael Dunbar Feedback control scheme for optimizing dewatering processes
US20100326151A1 (en) * 2009-06-24 2010-12-30 Feeco International, Inc. Enhanced Fertilizer Granule
CN102596351B (zh) 2009-09-15 2015-07-29 顺科能源公司 对油砂熟化细尾矿进行絮凝和脱水的方法
EP2477707B8 (en) 2009-09-15 2017-07-26 Suncor Energy Inc. Process for drying fine tailings
US9068776B2 (en) 2009-10-30 2015-06-30 Suncor Energy Inc. Depositing and farming methods for drying oil sand mature fine tailings
WO2017070792A1 (en) * 2015-10-29 2017-05-04 Salsnes Filter As Method and process for operating and controlling a separation device
WO2017178356A1 (en) * 2016-04-11 2017-10-19 Kemira Oyj Improving sludge dewaterability and energy balance of wastewater treatment
FI20165978L (fi) 2016-12-16 2018-06-17 Kemira Oyj Menetelmä veden poistamiseksi lietteestä
ES2836770T3 (es) * 2016-12-16 2021-06-28 Kemira Oyj Composición de polímero y sus usos
US11130686B2 (en) 2017-01-10 2021-09-28 Vermeer Manufacturing Company Systems and methods for dosing slurries to remove suspended solids
WO2020013818A1 (en) * 2018-07-10 2020-01-16 Vermeer Manufacturing Company Systems and methods for dewatering slurries
CN115351050B (zh) * 2022-08-10 2023-09-01 攀钢集团攀枝花钢铁研究院有限公司 一种解决水淬提钛尾渣过滤困难的方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3594313A (en) * 1970-04-13 1971-07-20 Int Waterpure Corp Liquid purification system with zetapotential control of chemical additives
US4588508A (en) * 1984-11-13 1986-05-13 Nalco Cehmical Company Bimodal cationics for water clarification
GB8919513D0 (en) * 1989-08-29 1989-10-11 Lasertrim Ltd Streaming current detector
GB9021565D0 (en) * 1990-10-04 1990-11-21 Allied Colloids Ltd Dewatering compositions and processes
AT395708B (de) * 1991-02-07 1993-02-25 Andritz Patentverwaltung Verfahren zur regelung von vorzugsweise kontinuierlichen fest/fluessigtrennungen und vorrichtung zur erfassung von regelgroessen fuer fest/fluessigtrennungen
US5540845A (en) * 1991-02-27 1996-07-30 Basil William Brook Method of and apparatus for monitoring aqueous streams
US5160439A (en) * 1991-06-21 1992-11-03 Dober Chemical Corporation System for controlling coagulant treatment based on monitoring of plural parameters
US5382356A (en) * 1991-11-29 1995-01-17 Tokyo Metropolitan Method and apparatus for controlling sludge dewatering
FI923315A (fi) * 1992-07-21 1994-01-22 Kemira Oy Foerfarande foer foerbaettrande av avlappsvattenslammens vattenavskiljningsfoermaoga
DE4236756C2 (de) * 1992-10-30 1995-08-17 Allied Colloids Mfg Gmbh Verfahren und Vorrichtung zur Phasentrennung wäßriger Systeme und Schlämme
GB9302151D0 (en) * 1993-02-04 1993-03-24 Allied Colloids Ltd Determination of dewatering performance

Also Published As

Publication number Publication date
CA2192388C (en) 2005-10-11
ZA954744B (en) 1996-06-10
GB9411444D0 (en) 1994-07-27
WO1995033697A1 (en) 1995-12-14
US5846433A (en) 1998-12-08
ATE172700T1 (de) 1998-11-15
EP0764140B1 (en) 1998-10-28
EP0764140A1 (en) 1997-03-26
CA2192388A1 (en) 1995-12-14
ES2124555T3 (es) 1999-02-01
DE69505665T2 (de) 1999-03-25
DE69505665D1 (de) 1998-12-03
AU2677795A (en) 1996-01-04

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