CA1002888A - Apparatus for the extraction of sludges from a rectangular floatting apparatus - Google Patents

Apparatus for the extraction of sludges from a rectangular floatting apparatus

Info

Publication number
CA1002888A
CA1002888A CA173,216A CA173216A CA1002888A CA 1002888 A CA1002888 A CA 1002888A CA 173216 A CA173216 A CA 173216A CA 1002888 A CA1002888 A CA 1002888A
Authority
CA
Canada
Prior art keywords
floatting
sludges
extraction
rectangular
rectangular floatting
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
CA173,216A
Other languages
French (fr)
Other versions
CA173216S (en
Inventor
Jean Lefur
Vincent Savall
Robert Louboutin
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.)
Suez International SAS
Original Assignee
Degremont Societe Generale dEpuration de dAssainissement
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
Priority claimed from FR7222144A external-priority patent/FR2189325B1/fr
Application filed by Degremont Societe Generale dEpuration de dAssainissement filed Critical Degremont Societe Generale dEpuration de dAssainissement
Application granted granted Critical
Publication of CA1002888A publication Critical patent/CA1002888A/en
Expired 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0084—Enhancing liquid-particle separation using the flotation principle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2427—The feed or discharge opening located at a distant position from the side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2433—Discharge mechanisms for floating particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B01D21/2477—Centrifugal pumps

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
CA173,216A 1972-06-20 1973-06-05 Apparatus for the extraction of sludges from a rectangular floatting apparatus Expired CA1002888A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7222144A FR2189325B1 (en) 1972-06-20 1972-06-20
FR7427119A FR2281318A2 (en) 1972-06-20 1974-08-05 Sludge extn appts for rectangular flotation tank - with suction tubes for the base sludge

Publications (1)

Publication Number Publication Date
CA1002888A true CA1002888A (en) 1977-01-04

Family

ID=26217168

Family Applications (1)

Application Number Title Priority Date Filing Date
CA173,216A Expired CA1002888A (en) 1972-06-20 1973-06-05 Apparatus for the extraction of sludges from a rectangular floatting apparatus

Country Status (2)

Country Link
CA (1) CA1002888A (en)
FR (1) FR2281318A2 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2236128A (en) * 1938-02-28 1941-03-25 Poole Sydney Bennett Apparatus for removing sludge from sewage tanks and the like
DE2107754A1 (en) * 1971-02-18 1972-08-24 Braunschweigische Maschinenbauanstalt, 3300 Braunschweig Sludge and scum extractor - for settling tanks esp in sugar ind

Also Published As

Publication number Publication date
FR2281318A2 (en) 1976-03-05
FR2281318B2 (en) 1976-12-31

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