ZA954744B - Dewatering of suspensions - Google Patents

Dewatering of suspensions

Info

Publication number
ZA954744B
ZA954744B ZA954744A ZA954744A ZA954744B ZA 954744 B ZA954744 B ZA 954744B ZA 954744 A ZA954744 A ZA 954744A ZA 954744 A ZA954744 A ZA 954744A ZA 954744 B ZA954744 B ZA 954744B
Authority
ZA
South Africa
Prior art keywords
pct
dewatering
separated liquor
flocculant
sec
Prior art date
Application number
ZA954744A
Other languages
English (en)
Inventor
Jens Sorensen
John Rodney Field
Original Assignee
Cdm Ab
Allied Colloids 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, Allied Colloids Ltd filed Critical Cdm Ab
Publication of ZA954744B publication Critical patent/ZA954744B/xx

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)
ZA954744A 1994-06-08 1995-06-08 Dewatering of suspensions ZA954744B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9411444A GB9411444D0 (en) 1994-06-08 1994-06-08 Dewatering of suspensions

Publications (1)

Publication Number Publication Date
ZA954744B true ZA954744B (en) 1996-06-10

Family

ID=10756370

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA954744A ZA954744B (en) 1994-06-08 1995-06-08 Dewatering of suspensions

Country Status (11)

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

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001506674A (ja) * 1996-10-03 2001-05-22 サイテク・テクノロジー・コーポレーシヨン 水性分散体
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
EP1070783B1 (de) * 1999-07-16 2003-03-05 Nordland Papier GmbH Verfahren zum Optimieren der Umlademitteldosierung von Papierrückstoff
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
EP1403316A4 (de) * 2001-06-11 2005-09-07 Hymo Corp Dispersion von amphoterem wasserlöslichem polymer und deren verwendung
US8123944B2 (en) * 2001-08-28 2012-02-28 Clearvalue Technologies, Inc. Processes of aqueous solids treatment
BRPI0306884A2 (pt) * 2002-01-22 2019-03-26 J Costelloe Patrick método de separar uma quantidade de pasta em sólidos de pasta e líquido de pasta para formar uma torta de filtro substancialmente seca e aparelho de filtro de pressão para separar uma pasta em líquido de pasta e sólidos de pasta e para formar uma torta de sólidos de pasta substancialmente seca a partir da dita pasta
GB0218021D0 (en) * 2002-08-05 2002-09-11 Ciba Spec Chem Water Treat Ltd Production of a fermentation product
AU2004267875B2 (en) * 2003-08-29 2010-09-02 Newcastle Innovation Limited Stimulant sensitive flocculation and consolidation
GB0405493D0 (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
GB0405504D0 (en) * 2004-03-12 2004-04-21 Ciba Spec Chem Water Treat Ltd Dewatering process
JP5214248B2 (ja) * 2005-02-15 2013-06-19 ジョージア テック リサーチ コーポレイション 物質の粘着を変更するための方法
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
EP3199218B1 (de) 2009-09-15 2019-11-06 Suncor Energy Inc. Verfahren zur trocknung von ölsandbruchfeinmaterial
CA3050234C (en) 2009-09-15 2022-11-08 Suncor Energy Inc. Techniques for flocculating and dewatering fine tailings
AU2009354586A1 (en) 2009-10-30 2012-05-24 Suncor Energy Inc. Depositing and farming methods for drying oil sand mature fine tailings
EP3368182A4 (de) * 2015-10-29 2018-09-05 Salsnes Filter AS Verfahren und prozess zum steuern und regeln einer trennvorrichtung
CN109071267A (zh) * 2016-04-11 2018-12-21 凯米拉公司 改进废水处理的污泥脱水能力和能量平衡
FI20165978L (fi) 2016-12-16 2018-06-17 Kemira Oyj Menetelmä veden poistamiseksi lietteestä
US10800869B2 (en) 2016-12-16 2020-10-13 Kemira Oyj Polymer composition and its uses
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

Family Cites Families (11)

* 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
US5846433A (en) 1998-12-08
ES2124555T3 (es) 1999-02-01
EP0764140B1 (de) 1998-10-28
ATE172700T1 (de) 1998-11-15
CA2192388C (en) 2005-10-11
DE69505665D1 (de) 1998-12-03
DK0764140T3 (da) 1999-07-12
GB9411444D0 (en) 1994-07-27
DE69505665T2 (de) 1999-03-25
AU2677795A (en) 1996-01-04
EP0764140A1 (de) 1997-03-26
CA2192388A1 (en) 1995-12-14
WO1995033697A1 (en) 1995-12-14

Similar Documents

Publication Publication Date Title
ZA954744B (en) Dewatering of suspensions
CA2145939A1 (en) Method for treating process waste streams by use of natural flocculants
EP0272673A3 (en) Method for conditioning and dewatering sludges
EP0074776A3 (de) Verfahren für die Behandlung von Bioschlamm
FI940437A (fi) Vedenpoisto vesipitoisista suspensioista
US4160731A (en) Process for dewatering sewage sludges disinfected with lime
US4481115A (en) Filtration of sewage sludge
SE8104684L (sv) Forfarande for behandling av avloppsslam
JPS5732783A (en) Flocculation treatment
Pardus Modern solutions to sludge treatment in small waste water treatment plants.
JPH0771680B2 (ja) 汚泥脱水処理方法
JPS562817A (en) Continuous electroosmosis dehydrator
JPS62132600A (ja) 汚泥脱水における運転制御方法
CA2035465A1 (en) Method for thickening and dewatering slurry sludge
Babenkov Role of structure formation in the process of water filtration classification.
Lambrev et al. Comparative characteristic of efficiency of chlorine containing coagulants produced from inorganic chlorine substance production waste.
Reuter et al. SLUDGE DEWATERING WITH THE AID OF CONTINUOUSLY OPERATING PRESS-TYPE FILTERS(SCHLAMMENTWASSERUNG MIT KONTINUERLICHEN PRESSFILTERN)
Rolan et al. Treatment improved through process control
Thomas DEWATERING OF SEWAGE SLUDGE(ENTWAESSERUNG VON KLAERSCHLAMM)
Gleisberg Effect of Precipitation Purification on the Behavior of Sludges During Mechanical Dewatering(Einfluss Der Fallungsreinigung Auf Das Verhalten Von Klarschlammen Bei Der Mechanischen Entwasserung)
JPS5356857A (en) Method of treating liquid produced through squeeze and filtration of city waste
JPH04313399A (ja) 脱水機濾布の洗浄方法
FR2612420B1 (fr) Procede et installation de regulation de la vitesse de filtration dans un bassin a lit filtrant, notamment pour le traitement des eaux domestiques
Fenchel et al. Wet Oxidation of Clarification Sludge and Pulp Effluent by the Zimpro Process(Nassoxydation von Klaerschlamm und Zellstoffablauge mit dem Zimpro-Verfahren)
Carter Control of the Activated Sludge Process.