CH673645A5 - - Google Patents

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Publication number
CH673645A5
CH673645A5 CH1409/87A CH140987A CH673645A5 CH 673645 A5 CH673645 A5 CH 673645A5 CH 1409/87 A CH1409/87 A CH 1409/87A CH 140987 A CH140987 A CH 140987A CH 673645 A5 CH673645 A5 CH 673645A5
Authority
CH
Switzerland
Prior art keywords
water
flocculator
lamellar
flocculation
treated
Prior art date
Application number
CH1409/87A
Other languages
English (en)
French (fr)
Inventor
Francois Blondeau
Louis Divet
Original Assignee
Omnium Traitement Valorisa
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 Omnium Traitement Valorisa filed Critical Omnium Traitement Valorisa
Publication of CH673645A5 publication Critical patent/CH673645A5/fr

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
    • C02F1/5281—Installations for water purification using chemical 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
    • B01D21/0018—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
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, 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
    • B01D21/0039—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
    • B01D21/10—Settling tanks with multiple outlets for the separated liquids
    • B01D21/12—Settling tanks with multiple outlets for the separated liquids 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
    • B01D21/183—Construction of the scrapers or the driving mechanisms for settling tanks with multiple scraping mechanisms
    • 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
    • B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
    • B01D21/286—Means for gentle agitation for enhancing flocculation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
CH1409/87A 1985-12-11 1987-04-10 CH673645A5 (forum.php)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8518301A FR2591215B1 (fr) 1985-12-11 1985-12-11 Ensemble de traitement combine de floculation et decantation des eaux

Publications (1)

Publication Number Publication Date
CH673645A5 true CH673645A5 (forum.php) 1990-03-30

Family

ID=9325658

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1409/87A CH673645A5 (forum.php) 1985-12-11 1987-04-10

Country Status (4)

Country Link
CH (1) CH673645A5 (forum.php)
DE (1) DE3714531A1 (forum.php)
FR (1) FR2591215B1 (forum.php)
GB (1) GB2204031B (forum.php)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19503120A1 (de) * 1995-02-01 1996-08-08 Passavant Werke Verfahren zur Klärung von u.a. mit mineralischen Bestandteilen verschmutzten Abwässern
WO2001030472A1 (en) * 1999-10-27 2001-05-03 Schreiber Corporation, Inc. Methods and apparatus for removing grit and grease from water
IT202100008330A1 (it) * 2021-04-01 2022-10-01 Danieli Off Mecc Impianto e procedimento per la rimozione di solidi sospesi, oli e grassi da acque di raffreddamento nel settore siderurgico e metallurgico

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB564708A (en) * 1943-04-03 1944-10-10 William Paterson Improved process and apparatus for treating liquid
NL6511823A (forum.php) * 1965-09-10 1967-03-13
DE2265262A1 (de) * 1971-10-12 1977-06-08 Passavant Werke Verfahren zur chemisch-mechanischen trink- und brauchwasseraufbereitung
BE790475A (fr) * 1971-11-01 1973-02-15 Johnson Construction Cy A B Ensemble a reservoirs a floculation et a sedimentation pour lesimmondices d'egout
JPS50124467A (forum.php) * 1974-02-27 1975-09-30
FR2345396A1 (fr) * 1976-03-24 1977-10-21 Degremont Appareil de traitement des boues par recirculation, precipitation et separation des boues formees
US4039449A (en) * 1976-05-20 1977-08-02 Ecodyne Corporation Floc barrier
GB2011877A (en) * 1978-01-10 1979-07-18 Hartley Simon Ltd Improvements in or Relating to the Treatment of Effluent
PL120682B1 (en) * 1979-06-05 1982-03-31 Bydgoskie B P Badaw Apparatus for water or sewage treatment
US4388195A (en) * 1979-07-05 1983-06-14 Passavant-Werke Michelbacher Hutte Process and apparatus for the chemical-mechanical treatment and purification of ground waters, surface waters and effluents
DE3043254A1 (de) * 1980-11-15 1982-07-08 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur reinigung von neutralisierten industrieabwaessern und vorrichtung zur durchfuehrung des verfahrens
FR2553082B1 (fr) * 1983-10-07 1987-08-28 Degremont Appareil de traitement des eaux par precipitation, separation, epaississement et recirculation des boues formees
FR2557092B1 (fr) * 1983-12-23 1988-10-14 Rech Prod Agents Chimi Et Installation pour le traitement par coagulation et floculation de liquides contenant des matieres colloidales et/ou non colloidales
DE3528783A1 (de) * 1985-08-10 1987-02-19 Ludwig Schneider Reaktionsbehaelter fuer zu entwaessernde schlaemme oder zu reinigendes abwasser

Also Published As

Publication number Publication date
FR2591215B1 (fr) 1990-12-07
FR2591215A1 (fr) 1987-06-12
GB2204031A (en) 1988-11-02
DE3714531A1 (de) 1988-11-10
GB8710231D0 (en) 1987-06-03
GB2204031B (en) 1990-12-05

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PL Patent ceased