GB941348A - Froth flotation process - Google Patents

Froth flotation process

Info

Publication number
GB941348A
GB941348A GB43241/61A GB4324161A GB941348A GB 941348 A GB941348 A GB 941348A GB 43241/61 A GB43241/61 A GB 43241/61A GB 4324161 A GB4324161 A GB 4324161A GB 941348 A GB941348 A GB 941348A
Authority
GB
United Kingdom
Prior art keywords
slurry
cell
receptacle
withdrawn
baffles
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
GB43241/61A
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.)
Heyl and Patterson Inc
Original Assignee
Heyl and Patterson Inc
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 Heyl and Patterson Inc filed Critical Heyl and Patterson Inc
Publication of GB941348A publication Critical patent/GB941348A/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
    • B03D1/02—Froth-flotation processes
    • 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
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1475—Flotation tanks having means for discharging the pulp, e.g. as a bleed stream
    • 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
    • B03D1/24—Pneumatic
    • B03D1/26—Air lift machines

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

941,348. Froth flotation. HEYL & PATTERSON Inc. Dec. 4, 1961 [April 18, 1961], No. 43241/61. Heading B2H. A froth flotation process comprises the steps of progressively advancing slurry along on elongated receptacle 2, impelling into the slurry below its surface at intervals along its path e.g. through chambers 10, agitating liquid and gas causing agitation and froth formation, separating froth from the slurry, withdrawing a portion of the remaining slurry from the receptacle, at least part of the withdrawn slurry being re-impelled into the slurry and thus recirculated to constitute at least part of the agitating liquid, and delivering a tail's fraction at the end of the path. The receptacle is divided into four cells A, B, C, D by baffles 4, 5, 6. The slurry is fed in under a baffle 3 and it gradually progresses to a tails outlet 9 by way of baffles 7, 8. The chamber 10 in each cell is fed with slurry from a pump 17 tangentially through a conduit 11 so that the slurry swirls out of an outlet 12, mixes with air from a pipe 13 and distributes itself throughout the particular cell. Each cell has a pipe 18, 19, 20, or 21 with a control valve 18<SP>1</SP>, 19<SP>1</SP>, 20<SP>1</SP> or 21<SP>1</SP> respectively through which slurry maybe withdrawn to feed the pump 17. It has been found that the best results are obtained if the feed for the pump is taken from the cell C or the cell D, or from the outlet 9, which is in effect the same as taking it from the cell D. The baffles 4, 5, 6 may be dispensed with and in some cases the slurry withdrawn from the receptacle 2 may not form all the agitating liquid, or only part of the slurry withdrawn may be used for agitation.
GB43241/61A 1961-04-18 1961-12-04 Froth flotation process Expired GB941348A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76516A US3048272A (en) 1961-04-18 1961-04-18 Froth flotation process

Publications (1)

Publication Number Publication Date
GB941348A true GB941348A (en) 1963-11-13

Family

ID=22132501

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43241/61A Expired GB941348A (en) 1961-04-18 1961-12-04 Froth flotation process

Country Status (3)

Country Link
US (1) US3048272A (en)
BE (1) BE613248A (en)
GB (1) GB941348A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013465A1 (en) * 1979-01-10 1980-07-23 Chevron Research Company Staged froth flotation with intermediate recycle
US4613430A (en) * 1984-01-30 1986-09-23 Miller Francis G Froth flotation separation method and apparatus
FR2601886A1 (en) * 1985-07-25 1988-01-29 Voith Gmbh COMPARTMENTAL FLOTATION TANK

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1107096A (en) * 1964-06-26 1968-03-20 Alexander Peter Saranin Flotation clarifier
US4441993A (en) * 1975-11-03 1984-04-10 Fluor Corporation Flotation process
US4207185A (en) * 1977-04-18 1980-06-10 Chevron Research Company Method for purifying liquids
US4613431A (en) * 1984-01-30 1986-09-23 Miller Francis G Froth flotation separation apparatus
US4606822A (en) * 1984-11-01 1986-08-19 Miller Francis G Vortex chamber aerator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1374500A (en) * 1915-10-30 1921-04-12 William E Greenawalt Apparatus for treating liquids with gases
US2416066A (en) * 1944-05-19 1947-02-18 Donald S Phelps Froth flotation cell
US2778499A (en) * 1952-09-16 1957-01-22 Coal Industry Patents Ltd Method of froth flotation
US2931502A (en) * 1956-07-02 1960-04-05 Saskatchewan Potash Method for flotation concentration in coarse size range

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013465A1 (en) * 1979-01-10 1980-07-23 Chevron Research Company Staged froth flotation with intermediate recycle
US4613430A (en) * 1984-01-30 1986-09-23 Miller Francis G Froth flotation separation method and apparatus
FR2601886A1 (en) * 1985-07-25 1988-01-29 Voith Gmbh COMPARTMENTAL FLOTATION TANK

Also Published As

Publication number Publication date
US3048272A (en) 1962-08-07
BE613248A (en) 1962-07-30

Similar Documents

Publication Publication Date Title
GB1144463A (en) Flotation equipment
GB1035235A (en) Method and apparatus for blending granular materials
FI78325C (en) Flotation device for flotation of a fiber suspension recovered from shredded paper
GB1217398A (en) An apparatus for the separation of solid matter from a liquid suspension containing it
GB941348A (en) Froth flotation process
GB734459A (en) Method of and apparatus for the breaking down of froth
ES488478A1 (en) Flotation apparatus for separating impurities from a fiber suspension
GB1055278A (en) Method and apparatus for mechanically separating coal and water from a coal slurry
GB1072370A (en) Improvements in or relating to the breaking of sheet ice
GB1404508A (en) Propulsion system for propulsion and steering of a waterborne craft
GB1007963A (en) Improvements in or relating to the separation of minerals from materials
ZA865888B (en) Process and apparatus for the injection by pneumatic means of metered amounts of pulverulent materials into a vessel which is under variable pressure
CA1036718A (en) Separation method and device
GB987954A (en) Method of and apparatus for feeding hydrocyclones
GB1367300A (en) Apparatus for the treatment of liquid by the flotation process
GB1475631A (en) Flotation apparatus
GB1471738A (en) Valve apparatus
GB973396A (en) Apparatus for froth flotation
GB887493A (en) Method and apparatus for mixing particles to be separated into fractions, with a separating medium, and feeding the mixture to a separator
GB1060676A (en) Improvements relating to the feeding of granular material from a storage bin to a delvery point
GB698240A (en) Aerating method and dual aerating flotation machine
GB837373A (en) Improvements in or relating to froth flotation systems
US1311919A (en) Harry vernon seale and wilton shellshear
GB1248946A (en) Apparatus for hydraulic sorting
GB1132339A (en) An apparatus for the continuous separation of two liquids of different specific gravity