GB2204031B - Water treatment apparatus and method - Google Patents

Water treatment apparatus and method

Info

Publication number
GB2204031B
GB2204031B GB8710231A GB8710231A GB2204031B GB 2204031 B GB2204031 B GB 2204031B GB 8710231 A GB8710231 A GB 8710231A GB 8710231 A GB8710231 A GB 8710231A GB 2204031 B GB2204031 B GB 2204031B
Authority
GB
United Kingdom
Prior art keywords
water treatment
treatment apparatus
water
treatment
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
GB8710231A
Other languages
English (en)
Other versions
GB8710231D0 (en
GB2204031A (en
Inventor
Francois Blondeau
Louis Divet
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
Publication of GB8710231D0 publication Critical patent/GB8710231D0/en
Publication of GB2204031A publication Critical patent/GB2204031A/en
Application granted granted Critical
Publication of GB2204031B publication Critical patent/GB2204031B/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)
GB8710231A 1985-12-11 1987-04-30 Water treatment apparatus and method Expired - Lifetime GB2204031B (en)

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 (3)

Publication Number Publication Date
GB8710231D0 GB8710231D0 (en) 1987-06-03
GB2204031A GB2204031A (en) 1988-11-02
GB2204031B true GB2204031B (en) 1990-12-05

Family

ID=9325658

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8710231A Expired - Lifetime GB2204031B (en) 1985-12-11 1987-04-30 Water treatment apparatus and method

Country Status (4)

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

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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076615A (en) * 1974-02-27 1978-02-28 Battelle Pacific N. W. Laboratories Process and system for treating waste water
GB2011877A (en) * 1978-01-10 1979-07-18 Hartley Simon Ltd Improvements in or Relating to the Treatment of Effluent
GB1558719A (en) * 1976-05-20 1980-01-09 Ecodyne Corp Separating solids from liquids
GB2050338A (en) * 1979-06-05 1981-01-07 Bydgoskie B P Badaw Water or sewerage treatment plant
EP0150646A1 (fr) * 1983-12-23 1985-08-07 Société Anonyme d'Etudes de Recherches et de Productions d'Agents Chimiques - E.R.P.A.C. Installation pour le traitement par coagulation et floculation de liquides contenant des matières colloidales et/ou non colloidales

Family Cites Families (9)

* 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 (enrdf_load_stackoverflow) * 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
FR2345396A1 (fr) * 1976-03-24 1977-10-21 Degremont Appareil de traitement des boues par recirculation, precipitation et separation des boues formees
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
DE3528783A1 (de) * 1985-08-10 1987-02-19 Ludwig Schneider Reaktionsbehaelter fuer zu entwaessernde schlaemme oder zu reinigendes abwasser

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076615A (en) * 1974-02-27 1978-02-28 Battelle Pacific N. W. Laboratories Process and system for treating waste water
GB1558719A (en) * 1976-05-20 1980-01-09 Ecodyne Corp Separating solids from liquids
GB2011877A (en) * 1978-01-10 1979-07-18 Hartley Simon Ltd Improvements in or Relating to the Treatment of Effluent
GB2050338A (en) * 1979-06-05 1981-01-07 Bydgoskie B P Badaw Water or sewerage treatment plant
EP0150646A1 (fr) * 1983-12-23 1985-08-07 Société Anonyme d'Etudes de Recherches et de Productions d'Agents Chimiques - E.R.P.A.C. Installation pour le traitement par coagulation et floculation de liquides contenant des matières colloidales et/ou non colloidales

Also Published As

Publication number Publication date
FR2591215B1 (fr) 1990-12-07
GB8710231D0 (en) 1987-06-03
FR2591215A1 (fr) 1987-06-12
GB2204031A (en) 1988-11-02
CH673645A5 (enrdf_load_stackoverflow) 1990-03-30
DE3714531A1 (de) 1988-11-10

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980430