FR2691453B1 - Method for reducing the volume of sludges contaminated with metals and wastewater treatment plants enabling this process to be carried out. - Google Patents

Method for reducing the volume of sludges contaminated with metals and wastewater treatment plants enabling this process to be carried out.

Info

Publication number
FR2691453B1
FR2691453B1 FR9206294A FR9206294A FR2691453B1 FR 2691453 B1 FR2691453 B1 FR 2691453B1 FR 9206294 A FR9206294 A FR 9206294A FR 9206294 A FR9206294 A FR 9206294A FR 2691453 B1 FR2691453 B1 FR 2691453B1
Authority
FR
France
Prior art keywords
metals
volume
reducing
carried out
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
FR9206294A
Other languages
French (fr)
Other versions
FR2691453A1 (en
Inventor
Bernard Besnainou
Pierre Lessart
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR9206294A priority Critical patent/FR2691453B1/en
Publication of FR2691453A1 publication Critical patent/FR2691453A1/en
Application granted granted Critical
Publication of FR2691453B1 publication Critical patent/FR2691453B1/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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/121—Multistep treatment
    • 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
    • C02F11/004—Sludge detoxification
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/1221—Particular type of activated sludge processes comprising treatment of the recirculated sludge
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Treatment Of Sludge (AREA)
FR9206294A 1992-05-22 1992-05-22 Method for reducing the volume of sludges contaminated with metals and wastewater treatment plants enabling this process to be carried out. Expired - Fee Related FR2691453B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9206294A FR2691453B1 (en) 1992-05-22 1992-05-22 Method for reducing the volume of sludges contaminated with metals and wastewater treatment plants enabling this process to be carried out.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9206294A FR2691453B1 (en) 1992-05-22 1992-05-22 Method for reducing the volume of sludges contaminated with metals and wastewater treatment plants enabling this process to be carried out.

Publications (2)

Publication Number Publication Date
FR2691453A1 FR2691453A1 (en) 1993-11-26
FR2691453B1 true FR2691453B1 (en) 1995-02-10

Family

ID=9430090

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9206294A Expired - Fee Related FR2691453B1 (en) 1992-05-22 1992-05-22 Method for reducing the volume of sludges contaminated with metals and wastewater treatment plants enabling this process to be carried out.

Country Status (1)

Country Link
FR (1) FR2691453B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102534996A (en) * 2011-12-02 2012-07-04 常熟市浩通市政工程有限公司 Fixing device for knitting machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3244483A1 (en) * 1982-12-01 1984-06-07 Linde Ag, 6200 Wiesbaden METHOD AND DEVICE FOR KEEPING HEAVY METALS AWAY FROM WASTEWATER TREATMENT PLANTS
JPS59193196A (en) * 1983-04-18 1984-11-01 Showa Denko Kk Treatment of organic waste liquid containing heavy metal
NL8502677A (en) * 1985-09-30 1987-04-16 Innovi N V Sa METHOD FOR PURIFYING WASTE WATER.

Also Published As

Publication number Publication date
FR2691453A1 (en) 1993-11-26

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse