FR2453831A1 - Dispositif de reprise des boues dans un bassin de decantation circulaire - Google Patents

Dispositif de reprise des boues dans un bassin de decantation circulaire

Info

Publication number
FR2453831A1
FR2453831A1 FR7909132A FR7909132A FR2453831A1 FR 2453831 A1 FR2453831 A1 FR 2453831A1 FR 7909132 A FR7909132 A FR 7909132A FR 7909132 A FR7909132 A FR 7909132A FR 2453831 A1 FR2453831 A1 FR 2453831A1
Authority
FR
France
Prior art keywords
sludge
tank
suction inlets
extn
bridge
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.)
Granted
Application number
FR7909132A
Other languages
English (en)
French (fr)
Other versions
FR2453831B1 (enExample
Inventor
Jean Durot
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
Application filed by Degremont SA filed Critical Degremont SA
Priority to FR7909132A priority Critical patent/FR2453831A1/fr
Publication of FR2453831A1 publication Critical patent/FR2453831A1/fr
Application granted granted Critical
Publication of FR2453831B1 publication Critical patent/FR2453831B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating 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
    • B01D21/0087—Settling tanks provided with means for ensuring a special flow pattern, e.g. even inflow or outflow
    • 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
    • B01D21/245—Discharge mechanisms for the sediments
    • B01D21/2466—Mammoth pumps, e.g. air lift pumps

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Sludge (AREA)
FR7909132A 1979-04-11 1979-04-11 Dispositif de reprise des boues dans un bassin de decantation circulaire Granted FR2453831A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7909132A FR2453831A1 (fr) 1979-04-11 1979-04-11 Dispositif de reprise des boues dans un bassin de decantation circulaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7909132A FR2453831A1 (fr) 1979-04-11 1979-04-11 Dispositif de reprise des boues dans un bassin de decantation circulaire

Publications (2)

Publication Number Publication Date
FR2453831A1 true FR2453831A1 (fr) 1980-11-07
FR2453831B1 FR2453831B1 (enExample) 1983-09-16

Family

ID=9224204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7909132A Granted FR2453831A1 (fr) 1979-04-11 1979-04-11 Dispositif de reprise des boues dans un bassin de decantation circulaire

Country Status (1)

Country Link
FR (1) FR2453831A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008068773A1 (en) * 2006-12-07 2008-06-12 Council Of Scientific & Industrial Research Circular secondary clarifier for the wastewater treatment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2568452A (en) * 1949-05-31 1951-09-18 Process Engineers Inc Clarification
GB685544A (en) * 1949-12-16 1953-01-07 Cyril John Hartley Improvements in and relating to settlement tanks
DE1074512B (de) * 1954-11-19 1960-01-28 Ing Adolf Sam biaus Lüneburg Dr Kreisförmiges Ab sctzbecken
FR2320909A1 (fr) * 1975-08-14 1977-03-11 Belmonte Nicolas Pont racleur a succion pour installation de traitement des eaux

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2568452A (en) * 1949-05-31 1951-09-18 Process Engineers Inc Clarification
GB685544A (en) * 1949-12-16 1953-01-07 Cyril John Hartley Improvements in and relating to settlement tanks
DE1074512B (de) * 1954-11-19 1960-01-28 Ing Adolf Sam biaus Lüneburg Dr Kreisförmiges Ab sctzbecken
FR2320909A1 (fr) * 1975-08-14 1977-03-11 Belmonte Nicolas Pont racleur a succion pour installation de traitement des eaux

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008068773A1 (en) * 2006-12-07 2008-06-12 Council Of Scientific & Industrial Research Circular secondary clarifier for the wastewater treatment

Also Published As

Publication number Publication date
FR2453831B1 (enExample) 1983-09-16

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