GB1490718A - Process for the separation of solid particles from a dispersion thereof in a liquid - Google Patents

Process for the separation of solid particles from a dispersion thereof in a liquid

Info

Publication number
GB1490718A
GB1490718A GB5442074A GB5442074A GB1490718A GB 1490718 A GB1490718 A GB 1490718A GB 5442074 A GB5442074 A GB 5442074A GB 5442074 A GB5442074 A GB 5442074A GB 1490718 A GB1490718 A GB 1490718A
Authority
GB
United Kingdom
Prior art keywords
separation
dispersion
liquid
dec
expansion
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
GB5442074A
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of GB1490718A publication Critical patent/GB1490718A/en
Expired 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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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
    • B03D1/24—Pneumatic

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)
  • Extraction Or Liquid Replacement (AREA)

Abstract

1490718 Purifying water SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 17 Dec 1974 [19 Dec 1973] 54420/74 Heading ClC Water containing dispersed matter is purified by expansion therein of water containing a gas (e.g. air) under pressure wherein the separation is carried out in a tall vertical floatation zone the dispersion moving from the top downward in countercurrent to the gas released on expansion, solid material being separated in the upper part of the zone and clarified water discharged in the lower part.
GB5442074A 1973-12-19 1974-12-17 Process for the separation of solid particles from a dispersion thereof in a liquid Expired GB1490718A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7317363A NL7317363A (en) 1973-12-19 1973-12-19 METHOD FOR SEPARATING SOLIDS PARTICLES FROM A DISPERSION THEREOF IN A LIQUID.

Publications (1)

Publication Number Publication Date
GB1490718A true GB1490718A (en) 1977-11-02

Family

ID=19820228

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5442074A Expired GB1490718A (en) 1973-12-19 1974-12-17 Process for the separation of solid particles from a dispersion thereof in a liquid

Country Status (6)

Country Link
JP (1) JPS5092553A (en)
BE (1) BE823149A (en)
DE (1) DE2459698A1 (en)
FR (1) FR2255108A1 (en)
GB (1) GB1490718A (en)
NL (1) NL7317363A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1846138A1 (en) * 2005-02-07 2007-10-24 VSJ Holding Oy Method and apparatus for purifying combustion gases of impurities contained in the combustion gases

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7807081A (en) * 1978-06-30 1980-01-03 Pielkenrood Vinitex Bv METHOD AND APPARATUS FOR DRIVING PARTICLES SUSPENDED IN A LIQUID BY GAS BUBBLES.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1846138A1 (en) * 2005-02-07 2007-10-24 VSJ Holding Oy Method and apparatus for purifying combustion gases of impurities contained in the combustion gases
EP1846138A4 (en) * 2005-02-07 2009-05-06 Vsj Holding Oy Method and apparatus for purifying combustion gases of impurities contained in the combustion gases

Also Published As

Publication number Publication date
NL7317363A (en) 1975-06-23
FR2255108A1 (en) 1975-07-18
DE2459698A1 (en) 1975-07-03
JPS5092553A (en) 1975-07-24
BE823149A (en) 1975-06-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee