GB1471165A - Method and apparatus for flotation treatment of aqueous effluents - Google Patents

Method and apparatus for flotation treatment of aqueous effluents

Info

Publication number
GB1471165A
GB1471165A GB4563074A GB4563074A GB1471165A GB 1471165 A GB1471165 A GB 1471165A GB 4563074 A GB4563074 A GB 4563074A GB 4563074 A GB4563074 A GB 4563074A GB 1471165 A GB1471165 A GB 1471165A
Authority
GB
United Kingdom
Prior art keywords
zone
inlet
reservoir
colloidal
effluent
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
Application number
GB4563074A
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.)
Erpac SA
Original Assignee
Erpac 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 Erpac SA filed Critical Erpac SA
Publication of GB1471165A publication Critical patent/GB1471165A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/24—Pneumatic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1412—Flotation machines with baffles, e.g. at the wall for redirecting settling solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1431—Dissolved air flotation machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1456—Feed mechanisms for the slurry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1462—Discharge mechanisms for the froth
    • 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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Paper (AREA)
  • Fuel Cell (AREA)

Abstract

1471165 Wet separation of solids ERPAC SA 22 Oct 1974 [22 Oct 1973] 45630/74 Reading B2H [Also in Division Cl] Flotation apparatus Fig. 3 for extracting non-colloidal and colloidal materials in suspension from aqueous effluents, comprises a reservoir 1 having first and second treatment zones, a first inlet 3 in said first zone for effluent and facilitating the distribution of the effluent into the reservoir, a second inlet 12 in said first zone for flocculating and coagulating reagents disposed near the bottom of the reservoir close to said first inlet, an injection opening 12 in said first zone for water saturated with compressed air combined with or in proximity to said second inlet, and a battery 16 of rapid separation cells in said second zone for the flocculated material disposed in the reservoir opposite said second inlet and said injection opening, in the direction of circulation of the effluent to be treated. The non- colloidal material e.g. fibres, is recovered from the surface between the partitions 19 in the first zone, and the flocculated colloidal material is recovered from the surface above the battery 16 of lamellar cells.
GB4563074A 1973-10-22 1974-10-22 Method and apparatus for flotation treatment of aqueous effluents Expired GB1471165A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7338556A FR2248086B1 (en) 1973-10-22 1973-10-22

Publications (1)

Publication Number Publication Date
GB1471165A true GB1471165A (en) 1977-04-21

Family

ID=9127086

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4563074A Expired GB1471165A (en) 1973-10-22 1974-10-22 Method and apparatus for flotation treatment of aqueous effluents

Country Status (10)

Country Link
JP (1) JPS50111861A (en)
BE (1) BE819334A (en)
CA (1) CA1035475A (en)
CH (1) CH583591A5 (en)
DE (1) DE2441238C3 (en)
ES (1) ES431227A1 (en)
FR (1) FR2248086B1 (en)
GB (1) GB1471165A (en)
IL (1) IL45908A (en)
IT (1) IT1022432B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148268A (en) * 1983-08-11 1985-05-30 Yks Co Ltd Separating equipment and water treatment apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU601698B2 (en) * 1985-11-27 1990-09-20 Standard Oil Company, The Apparatus and method for froth flotation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148268A (en) * 1983-08-11 1985-05-30 Yks Co Ltd Separating equipment and water treatment apparatus
US4572786A (en) * 1983-08-11 1986-02-25 Yks Co., Ltd. Oily water separating apparatus for the ship

Also Published As

Publication number Publication date
CH583591A5 (en) 1977-01-14
IL45908A (en) 1977-11-30
ES431227A1 (en) 1976-12-01
DE2441238A1 (en) 1975-04-24
FR2248086B1 (en) 1978-03-24
JPS50111861A (en) 1975-09-02
IL45908A0 (en) 1974-12-31
DE2441238C3 (en) 1979-11-22
FR2248086A1 (en) 1975-05-16
CA1035475A (en) 1978-07-25
BE819334A (en) 1974-12-16
IT1022432B (en) 1978-03-20
DE2441238B2 (en) 1979-04-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee