FR2805180B1 - PROCESS FOR DEHYDRATION OF DIVIDED SOLID MATERIALS IMPREGNATED WITH WATER, AND APPLICATION TO SLUDGE FROM A BIOLOGICAL WASTEWATER TREATMENT PLANT - Google Patents

PROCESS FOR DEHYDRATION OF DIVIDED SOLID MATERIALS IMPREGNATED WITH WATER, AND APPLICATION TO SLUDGE FROM A BIOLOGICAL WASTEWATER TREATMENT PLANT

Info

Publication number
FR2805180B1
FR2805180B1 FR0002188A FR0002188A FR2805180B1 FR 2805180 B1 FR2805180 B1 FR 2805180B1 FR 0002188 A FR0002188 A FR 0002188A FR 0002188 A FR0002188 A FR 0002188A FR 2805180 B1 FR2805180 B1 FR 2805180B1
Authority
FR
France
Prior art keywords
sludge
dehydration
water
application
wastewater treatment
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
FR0002188A
Other languages
French (fr)
Other versions
FR2805180A1 (en
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.)
Imerys Talc Luzenac France SAS
Original Assignee
Talc de Luzenac SA
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 Talc de Luzenac SA filed Critical Talc de Luzenac SA
Priority to FR0002188A priority Critical patent/FR2805180B1/en
Priority to PCT/FR2001/000487 priority patent/WO2001062679A1/en
Priority to EP01907844A priority patent/EP1257506A1/en
Publication of FR2805180A1 publication Critical patent/FR2805180A1/en
Application granted granted Critical
Publication of FR2805180B1 publication Critical patent/FR2805180B1/en
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
    • 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
    • C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
    • 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
    • C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
    • C02F11/145—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances using calcium compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)
FR0002188A 2000-02-22 2000-02-22 PROCESS FOR DEHYDRATION OF DIVIDED SOLID MATERIALS IMPREGNATED WITH WATER, AND APPLICATION TO SLUDGE FROM A BIOLOGICAL WASTEWATER TREATMENT PLANT Expired - Fee Related FR2805180B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0002188A FR2805180B1 (en) 2000-02-22 2000-02-22 PROCESS FOR DEHYDRATION OF DIVIDED SOLID MATERIALS IMPREGNATED WITH WATER, AND APPLICATION TO SLUDGE FROM A BIOLOGICAL WASTEWATER TREATMENT PLANT
PCT/FR2001/000487 WO2001062679A1 (en) 2000-02-22 2001-02-20 Method for reducing specific resistance to filtration of biological sludge derived from a waste water purifying station
EP01907844A EP1257506A1 (en) 2000-02-22 2001-02-20 Method for reducing specific resistance to filtration of biological sludge derived from a waste water purifying station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0002188A FR2805180B1 (en) 2000-02-22 2000-02-22 PROCESS FOR DEHYDRATION OF DIVIDED SOLID MATERIALS IMPREGNATED WITH WATER, AND APPLICATION TO SLUDGE FROM A BIOLOGICAL WASTEWATER TREATMENT PLANT

Publications (2)

Publication Number Publication Date
FR2805180A1 FR2805180A1 (en) 2001-08-24
FR2805180B1 true FR2805180B1 (en) 2002-09-13

Family

ID=8847251

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0002188A Expired - Fee Related FR2805180B1 (en) 2000-02-22 2000-02-22 PROCESS FOR DEHYDRATION OF DIVIDED SOLID MATERIALS IMPREGNATED WITH WATER, AND APPLICATION TO SLUDGE FROM A BIOLOGICAL WASTEWATER TREATMENT PLANT

Country Status (3)

Country Link
EP (1) EP1257506A1 (en)
FR (1) FR2805180B1 (en)
WO (1) WO2001062679A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2867773B1 (en) * 2004-03-17 2006-12-22 Alain Chekroun PROCESS AND SYSTEM FOR TREATING PURIFICATION SLUDGE
FR2869895B1 (en) * 2004-05-07 2007-06-22 Halter Hydro Environnement Ent METHOD OF LESTAGE OF ACTIVATED SLUDGE
EP1785400A1 (en) 2005-11-10 2007-05-16 Halter Hydro Environnement Ballasted flocculation of activated sludge
FR2911601B1 (en) * 2007-01-24 2009-03-27 Lab Sa Sa METHOD FOR FILTRATION OF SLUDES CONTAINING POLLUTANTS, AND METHOD FOR WET CLEANING OF CORRESPONDING FUMES.
FR2986163B1 (en) * 2012-01-26 2015-01-30 Marc Gombart METHOD AND PLANT FOR TREATING SLUDGE
CN102608292B (en) * 2012-03-09 2014-07-23 北京建筑大学 Sludge specific resistance measuring apparatus
CN102980834B (en) * 2012-12-10 2014-12-31 中国科学院武汉岩土力学研究所 Testing device for measuring sludge dewatering characteristics

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5841918B2 (en) * 1979-07-05 1983-09-16 章 西田 High-speed dehydrating agent and method for treating manure waste using the same
DE4025063A1 (en) * 1990-08-03 1992-02-06 Doering Hans Werner Prof Dr Re Improved mechanical removal of water from industrial or natural sludge - by addn. of complex hydrophilic and/or hydrophobic inorganic additive
SI0688303T1 (en) * 1993-03-11 1997-10-31 Naintsch Mineralwerke Improved method for purifying waste water using activated sludge to increase purification yields

Also Published As

Publication number Publication date
WO2001062679A1 (en) 2001-08-30
EP1257506A1 (en) 2002-11-20
FR2805180A1 (en) 2001-08-24

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20051031