FR2410634A1 - Procede de traitement de boue d'egout et dispositif pour sa mise en oeuvre - Google Patents

Procede de traitement de boue d'egout et dispositif pour sa mise en oeuvre

Info

Publication number
FR2410634A1
FR2410634A1 FR7736429A FR7736429A FR2410634A1 FR 2410634 A1 FR2410634 A1 FR 2410634A1 FR 7736429 A FR7736429 A FR 7736429A FR 7736429 A FR7736429 A FR 7736429A FR 2410634 A1 FR2410634 A1 FR 2410634A1
Authority
FR
France
Prior art keywords
sludge
vessel
pref
thickened
atmos
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
FR7736429A
Other languages
English (en)
Other versions
FR2410634B1 (fr
Inventor
Jean-Pierre Desblancs
Michel Chenet
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.)
SOCEA
Original Assignee
SOCEA
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 SOCEA filed Critical SOCEA
Priority to FR7736429A priority Critical patent/FR2410634A1/fr
Publication of FR2410634A1 publication Critical patent/FR2410634A1/fr
Application granted granted Critical
Publication of FR2410634B1 publication Critical patent/FR2410634B1/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
    • 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
    • B01D21/0018—Separation of suspended solid particles from liquids by sedimentation provided with a pump mounted in or on a settling tank
    • 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
    • B01D21/009—Heating or cooling mechanisms specially adapted 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
    • B01D21/02—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
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2427—The feed or discharge opening located at a distant position from the side walls
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)

Abstract

LA BOUE INTRODUITE EN 18 A UNE TEMPERATURE DE 180C ET SOUS UNE PRESSION DE 10 BARS EST DEVERSEE EN 23A DANS LA CUVE 13 DE CUISSON ET DE DECANTATION. LA ROTATION LENTE DE L'ARBRE 20 FAVORISE LA REMONTEE DU LIQUIDE, QUI SORT PAR LA TUBULURE 7A, APRES AVOIR FRANCHI LE DEVERSOIR 35. DANS LE FOND 15 DE LA CUVE LA BOUE EPAISSIE EST RAMENEE PAR LES RACLEURS 29 VERS LE CENTRE POUR ETRE REPRISE, A L'INTERIEUR DU PUITS 17, PAR LES PALES 32, 33 A EFFET CENTRIFUGE QUI ALIMENTENT LA TUBULURE DE SORTIE 8A.
FR7736429A 1977-12-02 1977-12-02 Procede de traitement de boue d'egout et dispositif pour sa mise en oeuvre Granted FR2410634A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7736429A FR2410634A1 (fr) 1977-12-02 1977-12-02 Procede de traitement de boue d'egout et dispositif pour sa mise en oeuvre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7736429A FR2410634A1 (fr) 1977-12-02 1977-12-02 Procede de traitement de boue d'egout et dispositif pour sa mise en oeuvre

Publications (2)

Publication Number Publication Date
FR2410634A1 true FR2410634A1 (fr) 1979-06-29
FR2410634B1 FR2410634B1 (fr) 1982-10-22

Family

ID=9198397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7736429A Granted FR2410634A1 (fr) 1977-12-02 1977-12-02 Procede de traitement de boue d'egout et dispositif pour sa mise en oeuvre

Country Status (1)

Country Link
FR (1) FR2410634A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429757A1 (fr) * 1978-06-26 1980-01-25 Von Roll Ag Cuve de pasteurisation de boues, et en particulier de boues de curage
EP0564074A1 (fr) * 1992-04-01 1993-10-06 Texaco Development Corporation Traitement de boue d'épuration
WO2003078020A1 (fr) 2002-03-19 2003-09-25 Outokumpu, Oyj Appareil de stabilisation de pate pour epaississeur

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429757A1 (fr) * 1978-06-26 1980-01-25 Von Roll Ag Cuve de pasteurisation de boues, et en particulier de boues de curage
EP0564074A1 (fr) * 1992-04-01 1993-10-06 Texaco Development Corporation Traitement de boue d'épuration
WO2003078020A1 (fr) 2002-03-19 2003-09-25 Outokumpu, Oyj Appareil de stabilisation de pate pour epaississeur
EP1515785A1 (fr) * 2002-03-19 2005-03-23 OUTOKUMPU, Oyj Appareil de stabilisation de pate pour epaississeur
EP1515785A4 (fr) * 2002-03-19 2006-07-12 Outokumpu Oy Appareil de stabilisation de pate pour epaississeur
US7235182B2 (en) 2002-03-19 2007-06-26 Outotec Oyj Pulp stabilisation apparatus for a thickener

Also Published As

Publication number Publication date
FR2410634B1 (fr) 1982-10-22

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse