FR2591215B1 - COMBINED FLOCCULATION AND WATER DECANTING TREATMENT ASSEMBLY - Google Patents

COMBINED FLOCCULATION AND WATER DECANTING TREATMENT ASSEMBLY

Info

Publication number
FR2591215B1
FR2591215B1 FR8518301A FR8518301A FR2591215B1 FR 2591215 B1 FR2591215 B1 FR 2591215B1 FR 8518301 A FR8518301 A FR 8518301A FR 8518301 A FR8518301 A FR 8518301A FR 2591215 B1 FR2591215 B1 FR 2591215B1
Authority
FR
France
Prior art keywords
treatment assembly
water decanting
combined flocculation
decanting treatment
flocculation
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 - Lifetime
Application number
FR8518301A
Other languages
French (fr)
Other versions
FR2591215A1 (en
Inventor
Louis Divet
Francois Blondeau
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.)
OTV Omnium de Traitements et de Valorisation SA
Original Assignee
OTV Omnium de Traitements et de Valorisation 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 filed Critical OTV Omnium de Traitements et de Valorisation SA
Priority to FR8518301A priority Critical patent/FR2591215B1/en
Priority to CH1409/87A priority patent/CH673645A5/fr
Priority to GB8710231A priority patent/GB2204031B/en
Priority to DE19873714531 priority patent/DE3714531A1/en
Publication of FR2591215A1 publication Critical patent/FR2591215A1/en
Application granted granted Critical
Publication of FR2591215B1 publication Critical patent/FR2591215B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C02F1/5281—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)
FR8518301A 1985-12-11 1985-12-11 COMBINED FLOCCULATION AND WATER DECANTING TREATMENT ASSEMBLY Expired - Lifetime FR2591215B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8518301A FR2591215B1 (en) 1985-12-11 1985-12-11 COMBINED FLOCCULATION AND WATER DECANTING TREATMENT ASSEMBLY
CH1409/87A CH673645A5 (en) 1985-12-11 1987-04-10
GB8710231A GB2204031B (en) 1985-12-11 1987-04-30 Water treatment apparatus and method
DE19873714531 DE3714531A1 (en) 1985-12-11 1987-04-30 DEVICE FOR THE PHYSICAL-CHEMICAL TREATMENT OF WATER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8518301A FR2591215B1 (en) 1985-12-11 1985-12-11 COMBINED FLOCCULATION AND WATER DECANTING TREATMENT ASSEMBLY

Publications (2)

Publication Number Publication Date
FR2591215A1 FR2591215A1 (en) 1987-06-12
FR2591215B1 true FR2591215B1 (en) 1990-12-07

Family

ID=9325658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8518301A Expired - Lifetime FR2591215B1 (en) 1985-12-11 1985-12-11 COMBINED FLOCCULATION AND WATER DECANTING TREATMENT ASSEMBLY

Country Status (4)

Country Link
CH (1) CH673645A5 (en)
DE (1) DE3714531A1 (en)
FR (1) FR2591215B1 (en)
GB (1) GB2204031B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19503120A1 (en) * 1995-02-01 1996-08-08 Passavant Werke Process for clarifying i.a. waste water contaminated with mineral constituents
US6551516B1 (en) 1999-10-27 2003-04-22 Schreiber Corporation, Inc. Methods for removing grit and grease from water
IT202100008330A1 (en) * 2021-04-01 2022-10-01 Danieli Off Mecc PLANT AND PROCEDURE FOR THE REMOVAL OF SUSPENDED SOLIDS, OILS AND GREASES FROM COOLING WATER IN THE STEEL AND METALLURGICAL INDUSTRY

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 (en) * 1965-09-10 1967-03-13
DE2265262A1 (en) * 1971-10-12 1977-06-08 Passavant Werke Effluent treatment - by mechanical or chemico-mechanical techniques
BE790475A (en) * 1971-11-01 1973-02-15 Johnson Construction Cy A B SET WITH FLOCCULATION AND SEDIMENTATION TANKS FOR SEWER LOSSES
JPS50124467A (en) * 1974-02-27 1975-09-30
FR2345396A1 (en) * 1976-03-24 1977-10-21 Degremont SLUDGE TREATMENT APPARATUS BY RECIRCULATION, PRECIPITATION AND SEPARATION OF FORMED SLUDGE
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 (en) * 1980-11-15 1982-07-08 Robert Bosch Gmbh, 7000 Stuttgart METHOD FOR CLEANING NEUTRALIZED INDUSTRIAL WASTEWATER AND DEVICE FOR IMPLEMENTING THE METHOD
FR2553082B1 (en) * 1983-10-07 1987-08-28 Degremont APPARATUS FOR TREATING WATER BY PRECIPITATION, SEPARATION, THICKENING AND RECIRCULATION OF FORMED SLUDGE
FR2557092B1 (en) * 1983-12-23 1988-10-14 Rech Prod Agents Chimi Et PLANT FOR THE COAGULATION AND FLOCCULATION TREATMENT OF LIQUIDS CONTAINING COLLOIDAL AND / OR NON-COLLOIDAL MATERIALS
DE3528783A1 (en) * 1985-08-10 1987-02-19 Ludwig Schneider REACTION CONTAINER FOR SLUDGE TO BE DRAINED OR WASTEWATER TO BE CLEANED

Also Published As

Publication number Publication date
DE3714531A1 (en) 1988-11-10
GB2204031A (en) 1988-11-02
GB8710231D0 (en) 1987-06-03
CH673645A5 (en) 1990-03-30
GB2204031B (en) 1990-12-05
FR2591215A1 (en) 1987-06-12

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Legal Events

Date Code Title Description
ST Notification of lapse