FR2071027A6 - Water clarification process - using a fluidised bed - Google Patents

Water clarification process - using a fluidised bed

Info

Publication number
FR2071027A6
FR2071027A6 FR6943430A FR6943430A FR2071027A6 FR 2071027 A6 FR2071027 A6 FR 2071027A6 FR 6943430 A FR6943430 A FR 6943430A FR 6943430 A FR6943430 A FR 6943430A FR 2071027 A6 FR2071027 A6 FR 2071027A6
Authority
FR
France
Prior art keywords
water
softening
clarifier
bed
granular material
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
Application number
FR6943430A
Other languages
English (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.)
TRAITEMENT UTILISAT EAUX
Original Assignee
TRAITEMENT UTILISAT EAUX
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 TRAITEMENT UTILISAT EAUX filed Critical TRAITEMENT UTILISAT EAUX
Priority to FR6943430A priority Critical patent/FR2071027A6/fr
Application granted granted Critical
Publication of FR2071027A6 publication Critical patent/FR2071027A6/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0012Settling tanks making use of filters, e.g. by floating layers of particulate material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039Settling tanks provided with contact surfaces, e.g. baffles, particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0045Plurality of essentially parallel plates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0057Settling tanks provided with contact surfaces, e.g. baffles, particles with counter-current flow direction of liquid and solid particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02Settling tanks with single outlets for the separated liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2427The feed or discharge opening located at a distant position from the side walls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2488Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/36Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed fluidised during the filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46Regenerating the filtering material in the filter
    • B01D24/4668Regenerating the filtering material in the filter by moving the filtering element
    • B01D24/4678Regenerating the filtering material in the filter by moving the filtering element using free vortex flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D37/00Processes of filtration
    • B01D37/03Processes of filtration using flocculating agents

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)
  • Water Treatment By Sorption (AREA)
FR6943430A 1969-12-16 1969-12-16 Water clarification process - using a fluidised bed Expired FR2071027A6 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6943430A FR2071027A6 (en) 1969-12-16 1969-12-16 Water clarification process - using a fluidised bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6943430A FR2071027A6 (en) 1969-12-16 1969-12-16 Water clarification process - using a fluidised bed

Publications (1)

Publication Number Publication Date
FR2071027A6 true FR2071027A6 (en) 1971-09-17

Family

ID=9044625

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6943430A Expired FR2071027A6 (en) 1969-12-16 1969-12-16 Water clarification process - using a fluidised bed

Country Status (1)

Country Link
FR (1) FR2071027A6 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159244A (en) 1973-03-14 1979-06-26 Kureha Kagaku Kogyo Kabushiki Kaisha Waste water-treating method
US4246102A (en) * 1976-11-29 1981-01-20 Rederiaktiebolaget Nordstjernan Method for separating pollutants from liquid
FR2509998A1 (fr) * 1981-07-27 1983-01-28 Hydroprojekt Dispositif pour la formation et la separation simultanees d'une suspension
ES2049627A2 (es) * 1992-01-21 1994-04-16 Riotinto Tecnicas Y Servicios Instalacion clarificadora de liquidos que contienen solidos en suspension.
US5730864A (en) * 1994-05-02 1998-03-24 Delsalle; Francoise Installation for treating an untreated flow by simple sedimentation after ballasting with fine sand
WO1998032702A1 (fr) * 1997-01-27 1998-07-30 Degremont Procede de traitement physico-chimique d'effluents, notamment d'eaux de surface destinees a la consommation
FR2773145A1 (fr) * 1997-12-29 1999-07-02 Degremont Perfectionnements apportes au traitement physico-chimique d'effluents

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159244A (en) 1973-03-14 1979-06-26 Kureha Kagaku Kogyo Kabushiki Kaisha Waste water-treating method
US4246102A (en) * 1976-11-29 1981-01-20 Rederiaktiebolaget Nordstjernan Method for separating pollutants from liquid
FR2509998A1 (fr) * 1981-07-27 1983-01-28 Hydroprojekt Dispositif pour la formation et la separation simultanees d'une suspension
ES2049627A2 (es) * 1992-01-21 1994-04-16 Riotinto Tecnicas Y Servicios Instalacion clarificadora de liquidos que contienen solidos en suspension.
US5730864A (en) * 1994-05-02 1998-03-24 Delsalle; Francoise Installation for treating an untreated flow by simple sedimentation after ballasting with fine sand
WO1998032702A1 (fr) * 1997-01-27 1998-07-30 Degremont Procede de traitement physico-chimique d'effluents, notamment d'eaux de surface destinees a la consommation
FR2773145A1 (fr) * 1997-12-29 1999-07-02 Degremont Perfectionnements apportes au traitement physico-chimique d'effluents

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