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NL7609275A - Flotation process with low turbulence level - pumps two ingredient medium into fluid with density and kinetic energy within set limits - Google Patents

Flotation process with low turbulence level - pumps two ingredient medium into fluid with density and kinetic energy within set limits

Info

Publication number
NL7609275A
NL7609275A NL7609275A NL7609275A NL7609275A NL 7609275 A NL7609275 A NL 7609275A NL 7609275 A NL7609275 A NL 7609275A NL 7609275 A NL7609275 A NL 7609275A NL 7609275 A NL7609275 A NL 7609275A
Authority
NL
Netherlands
Prior art keywords
fluid
density
kinetic energy
flotation process
pumps
Prior art date
Application number
NL7609275A
Other languages
Dutch (nl)
Original Assignee
Envirotech Corp
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 Envirotech Corp filed Critical Envirotech Corp
Priority to NL7609275A priority Critical patent/NL7609275A/en
Publication of NL7609275A publication Critical patent/NL7609275A/en

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
    • B03D1/1493—Flotation machines with means for establishing a specified flow pattern
    • 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
    • B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The flotation process uses distributed gas and hydraulic effects to distribute the gas bubbles through a fluid with a free surface. A two-ingredient medium is pumped into the fluid. The density of the medium volume-unit of fluid, and its kinetic energy, at the point of injection are respectively between 19 and 41 lbs per cu. ft. and between 0.4 and 10lbs per sq. ft. (The precise range is defined by (Area I) on the graph). After reaching these levels, the force exerted by the pump can be reduced, bringing the figures to between 9.5 and 52 lbs per cu. ft., and 0.09 and 10 lbs per sq. ft. respectively (see area II).
NL7609275A 1976-08-20 1976-08-20 Flotation process with low turbulence level - pumps two ingredient medium into fluid with density and kinetic energy within set limits NL7609275A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7609275A NL7609275A (en) 1976-08-20 1976-08-20 Flotation process with low turbulence level - pumps two ingredient medium into fluid with density and kinetic energy within set limits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7609275A NL7609275A (en) 1976-08-20 1976-08-20 Flotation process with low turbulence level - pumps two ingredient medium into fluid with density and kinetic energy within set limits

Publications (1)

Publication Number Publication Date
NL7609275A true NL7609275A (en) 1978-02-22

Family

ID=19826769

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7609275A NL7609275A (en) 1976-08-20 1976-08-20 Flotation process with low turbulence level - pumps two ingredient medium into fluid with density and kinetic energy within set limits

Country Status (1)

Country Link
NL (1) NL7609275A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0090234A3 (en) * 1982-03-31 1985-06-26 J.M. Voith Gmbh Injector for a flotation apparatus
WO2001062392A1 (en) * 2000-02-23 2001-08-30 Baker Hughes Incorporated Sparging nozzle assembly for aerated reaction vessels and method for operating such vessels

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0090234A3 (en) * 1982-03-31 1985-06-26 J.M. Voith Gmbh Injector for a flotation apparatus
WO2001062392A1 (en) * 2000-02-23 2001-08-30 Baker Hughes Incorporated Sparging nozzle assembly for aerated reaction vessels and method for operating such vessels

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