FR2719235B1 - Procédé et installation de clarification de boues biologiques par décantation. - Google Patents

Procédé et installation de clarification de boues biologiques par décantation.

Info

Publication number
FR2719235B1
FR2719235B1 FR9405309A FR9405309A FR2719235B1 FR 2719235 B1 FR2719235 B1 FR 2719235B1 FR 9405309 A FR9405309 A FR 9405309A FR 9405309 A FR9405309 A FR 9405309A FR 2719235 B1 FR2719235 B1 FR 2719235B1
Authority
FR
France
Prior art keywords
decantation
installation
biological sludge
clarifying
clarifying biological
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 - Fee Related
Application number
FR9405309A
Other languages
English (en)
Other versions
FR2719235A1 (fr
Inventor
Michel Faivre
Jean-Paul Jeanmaire
Patrick Binot
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.)
Veolia Water Solutions and Technologies Support SAS
Original Assignee
OTV Omnium de Traitements et de Valorisation SA
OTV 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 OTV Omnium de Traitements et de Valorisation SA, OTV SA filed Critical OTV Omnium de Traitements et de Valorisation SA
Priority to FR9405309A priority Critical patent/FR2719235B1/fr
Publication of FR2719235A1 publication Critical patent/FR2719235A1/fr
Application granted granted Critical
Publication of FR2719235B1 publication Critical patent/FR2719235B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0045—Plurality of essentially parallel plates
    • 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
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0057—Settling tanks provided with contact surfaces, e.g. baffles, particles with counter-current flow direction of liquid and solid 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
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • 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
    • B01D21/08—Settling tanks with single outlets for the separated liquid provided with flocculating compartments
    • 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
    • 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
    • B01D21/2488—Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/12—Inert solids used as ballast for improving sedimentation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (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)
  • Activated Sludge Processes (AREA)
FR9405309A 1994-05-02 1994-05-02 Procédé et installation de clarification de boues biologiques par décantation. Expired - Fee Related FR2719235B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9405309A FR2719235B1 (fr) 1994-05-02 1994-05-02 Procédé et installation de clarification de boues biologiques par décantation.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9405309A FR2719235B1 (fr) 1994-05-02 1994-05-02 Procédé et installation de clarification de boues biologiques par décantation.

Publications (2)

Publication Number Publication Date
FR2719235A1 FR2719235A1 (fr) 1995-11-03
FR2719235B1 true FR2719235B1 (fr) 1996-07-19

Family

ID=9462735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9405309A Expired - Fee Related FR2719235B1 (fr) 1994-05-02 1994-05-02 Procédé et installation de clarification de boues biologiques par décantation.

Country Status (1)

Country Link
FR (1) FR2719235B1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2815714B1 (fr) 2000-10-20 2003-01-03 Omnium Traitement Valorisa Installation de mesure de la concentration en materiau granulaire dense d'un ecoulement et systeme pour le traitement de l'eau incluant une telle installation
US7153431B2 (en) 2005-03-22 2006-12-26 I. Kruger Inc. Method and system for utilizing activated sludge in a ballasted flocculation process to remove BOD and suspended solids
US8454831B2 (en) 2005-10-28 2013-06-04 Veolia Water Solutions & Technologies Support Biological and ballasetd flocculation treatment of wastewater
FR2902418B1 (fr) * 2005-10-28 2008-10-24 Otv Sa Procede et installation pour le traitement des eaux integrant un traitement biologique a bacteries fixees et une floculation-decantation
US7407582B2 (en) * 2006-01-13 2008-08-05 Otv Sa S.A. Combination activated sludge—ballasted flocculation process
US8470172B2 (en) 2007-01-09 2013-06-25 Siemens Industry, Inc. System for enhancing a wastewater treatment process
US20100213123A1 (en) 2007-01-09 2010-08-26 Marston Peter G Ballasted sequencing batch reactor system and method for treating wastewater
US20110036771A1 (en) 2007-01-09 2011-02-17 Steven Woodard Ballasted anaerobic system and method for treating wastewater
AU2008205247B2 (en) 2007-01-09 2010-07-01 Evoqua Water Technologies Llc A system and method for removing dissolved contaminants, particulate contaminants, and oil contaminants from industrial waste water
AU2008205248B2 (en) * 2007-01-09 2010-07-01 Evoqua Water Technologies Llc System and method for enhancing an activated sludge process
US7323108B1 (en) * 2007-04-17 2008-01-29 I. Kruger, Inc. Combined biological and ballasted flocculation process for treating wastewater
US10919792B2 (en) 2012-06-11 2021-02-16 Evoqua Water Technologies Llc Treatment using fixed film processes and ballasted settling
US9651523B2 (en) 2012-09-26 2017-05-16 Evoqua Water Technologies Llc System for measuring the concentration of magnetic ballast in a slurry
RU2688619C1 (ru) * 2018-01-30 2019-05-21 Евгений Михайлович Булыжёв Способ и установка для обработки воды
CN109019793A (zh) * 2018-07-26 2018-12-18 中国市政工程中南设计研究总院有限公司 一种污水深度处理加泥型高效澄清池
FR3133189A1 (fr) * 2022-03-07 2023-09-08 Suez International Installation et procédé de traitement d’eau mettant en œuvre un hydrocyclone
WO2023169839A1 (fr) * 2022-03-07 2023-09-14 Suez International Installation et procédé de traitement d'eau mettant en œuvre un hydrocyclone

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59142897A (ja) * 1983-02-01 1984-08-16 Ataka Kogyo Kk 硝化脱窒方法
CA1336020C (fr) * 1987-08-17 1995-06-20 Geoffrey Robert. Browne Procede de clarification
FR2643065B1 (fr) * 1989-02-14 1991-06-14 Omnium Traitement Valorisa Procede et installation de traitement biologique, y compris nitrification et denitratation, d'une eau residuaire a traiter

Also Published As

Publication number Publication date
FR2719235A1 (fr) 1995-11-03

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name

Owner name: VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT, FR

Effective date: 20111109

CJ Change in legal form

Effective date: 20111109

ST Notification of lapse

Effective date: 20130131