FR2716186B1 - Effluent flocculation process and installation for implementing such a process. - Google Patents

Effluent flocculation process and installation for implementing such a process.

Info

Publication number
FR2716186B1
FR2716186B1 FR9401954A FR9401954A FR2716186B1 FR 2716186 B1 FR2716186 B1 FR 2716186B1 FR 9401954 A FR9401954 A FR 9401954A FR 9401954 A FR9401954 A FR 9401954A FR 2716186 B1 FR2716186 B1 FR 2716186B1
Authority
FR
France
Prior art keywords
implementing
installation
effluent
effluent flocculation
flocculation
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
FR9401954A
Other languages
French (fr)
Other versions
FR2716186A1 (en
Inventor
Christian Laplace
Franck Rogalla
Gilbert Desbos
Jacques Sibony
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.)
OTV Omnium de Traitements et de Valorisation SA
Veolia Water Solutions and Technologies Support SAS
Original Assignee
OTV Omnium de Traitements et de Valorisation SA
OTV 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 OTV Omnium de Traitements et de Valorisation SA, OTV SA filed Critical OTV Omnium de Traitements et de Valorisation SA
Priority to FR9401954A priority Critical patent/FR2716186B1/en
Publication of FR2716186A1 publication Critical patent/FR2716186A1/en
Application granted granted Critical
Publication of FR2716186B1 publication Critical patent/FR2716186B1/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
    • C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • C02F3/006—Regulation methods for biological treatment
    • 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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Geology (AREA)
  • Analytical Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
FR9401954A 1994-02-16 1994-02-16 Effluent flocculation process and installation for implementing such a process. Expired - Fee Related FR2716186B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9401954A FR2716186B1 (en) 1994-02-16 1994-02-16 Effluent flocculation process and installation for implementing such a process.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9401954A FR2716186B1 (en) 1994-02-16 1994-02-16 Effluent flocculation process and installation for implementing such a process.

Publications (2)

Publication Number Publication Date
FR2716186A1 FR2716186A1 (en) 1995-08-18
FR2716186B1 true FR2716186B1 (en) 1996-05-15

Family

ID=9460279

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9401954A Expired - Fee Related FR2716186B1 (en) 1994-02-16 1994-02-16 Effluent flocculation process and installation for implementing such a process.

Country Status (1)

Country Link
FR (1) FR2716186B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2318653A1 (en) * 1973-04-13 1974-11-07 Aluminium Walzwerke Singen Utilising aluminium treatment waste liquors - as precipitants and flocculants for waste water purification
DE3023276A1 (en) * 1980-06-21 1982-01-14 Cealin Chemische Fabrik GmbH, 3203 Sarstedt Flocculation of sols with aluminium salts - using both aluminium sulphate and sodium aluminate
DE3904575A1 (en) * 1989-02-15 1990-08-16 Nalco Chemical Co METHOD FOR ELIMINATING PHOSPHATES AND ORGANICALLY BONDED PHOSPHORUS FROM WASTEWATERS AND ACCUMULATORS
DE4112391A1 (en) * 1991-04-16 1992-10-22 Passavant Werke Optimising chemical usage in flocculation process - for removing residual phosphorus and suspended matter from clarification plant discharge

Also Published As

Publication number Publication date
FR2716186A1 (en) 1995-08-18

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Legal Events

Date Code Title Description
ST Notification of lapse