FR2281318B2 - - Google Patents

Info

Publication number
FR2281318B2
FR2281318B2 FR7427119A FR7427119A FR2281318B2 FR 2281318 B2 FR2281318 B2 FR 2281318B2 FR 7427119 A FR7427119 A FR 7427119A FR 7427119 A FR7427119 A FR 7427119A FR 2281318 B2 FR2281318 B2 FR 2281318B2
Authority
FR
France
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
FR7427119A
Other languages
French (fr)
Other versions
FR2281318A2 (fr
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 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
Priority claimed from FR7222144A external-priority patent/FR2189325B1/fr
Priority to CA173,216A priority Critical patent/CA1002888A/fr
Application filed by Degremont SA filed Critical Degremont SA
Priority to FR7427119A priority patent/FR2281318A2/fr
Publication of FR2281318A2 publication Critical patent/FR2281318A2/fr
Application granted granted Critical
Publication of FR2281318B2 publication Critical patent/FR2281318B2/fr
Granted 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)
FR7427119A 1972-06-20 1974-08-05 Appareil pour l'extraction des boues d'un flottateur rectangulaire Granted FR2281318A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA173,216A CA1002888A (fr) 1972-06-20 1973-06-05 Appareil pour l'extraction des boues d'un flottateur rectangulaire
FR7427119A FR2281318A2 (fr) 1972-06-20 1974-08-05 Appareil pour l'extraction des boues d'un flottateur rectangulaire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7222144A FR2189325B1 (xx) 1972-06-20 1972-06-20
FR7427119A FR2281318A2 (fr) 1972-06-20 1974-08-05 Appareil pour l'extraction des boues d'un flottateur rectangulaire

Publications (2)

Publication Number Publication Date
FR2281318A2 FR2281318A2 (fr) 1976-03-05
FR2281318B2 true FR2281318B2 (xx) 1976-12-31

Family

ID=26217168

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427119A Granted FR2281318A2 (fr) 1972-06-20 1974-08-05 Appareil pour l'extraction des boues d'un flottateur rectangulaire

Country Status (2)

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

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 (fr) 1976-03-05
CA1002888A (fr) 1977-01-04

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