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BR9301333A - PROCESS AND APPARATUS FOR CLASSIFYING A PARTICULATED PASTA - Google Patents

PROCESS AND APPARATUS FOR CLASSIFYING A PARTICULATED PASTA

Info

Publication number
BR9301333A
BR9301333A BR9301333A BR9301333A BR9301333A BR 9301333 A BR9301333 A BR 9301333A BR 9301333 A BR9301333 A BR 9301333A BR 9301333 A BR9301333 A BR 9301333A BR 9301333 A BR9301333 A BR 9301333A
Authority
BR
Brazil
Prior art keywords
particles
mass
particulated
pasta
classifying
Prior art date
Application number
BR9301333A
Other languages
Portuguese (pt)
Inventor
Victor Emul Ross
Original Assignee
De Beers Ind Diamond
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 De Beers Ind Diamond filed Critical De Beers Ind Diamond
Publication of BR9301333A publication Critical patent/BR9301333A/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
    • B03D1/02—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
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B1/00—Conditioning for facilitating separation by altering physical properties of the matter to be treated
    • B03B1/04—Conditioning for facilitating separation by altering physical properties of the matter to be treated by additives
    • 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/32—Magnetic separation acting on the medium containing the substance being separated, e.g. magneto-gravimetric-, magnetohydrostatic-, or magnetohydrodynamic separation
    • 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
    • B03D1/08—Subsequent treatment of concentrated product
    • B03D1/082—Subsequent treatment of concentrated product of the froth product, e.g. washing
    • 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
    • B03D1/08—Subsequent treatment of concentrated product
    • B03D1/087—Subsequent treatment of concentrated product of the sediment, e.g. regrinding
    • 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
    • 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
    • B03D1/1468—Discharge mechanisms for the sediments
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Glanulating (AREA)
  • Compounds Of Iron (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

In a method of sorting a particulate mass, eg. diamonds and gangue, according to the oleophilicity of the particles of the mass, the particles (24, 26) of the mass are treated with an oil-containing substance (22) in such a manner that oleophilic particles (24), eg. the diamonds, of the mass are at least partially coated with the substance (22). Next, the particles (24, 26) are exposed to a material (12) having specific properties so that the material adheres to the coated particles (24). Finally, the particles (24, 26) can be sorted according to whether they exhibit the specific properties. The material may comprise an aqueous magnetite suspension and/or air bubbles, so that the particles can be sorted using magnetic separation and/or flotation. <IMAGE>
BR9301333A 1992-03-26 1993-03-26 PROCESS AND APPARATUS FOR CLASSIFYING A PARTICULATED PASTA BR9301333A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA922206 1992-03-26

Publications (1)

Publication Number Publication Date
BR9301333A true BR9301333A (en) 1993-09-28

Family

ID=25581536

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9301333A BR9301333A (en) 1992-03-26 1993-03-26 PROCESS AND APPARATUS FOR CLASSIFYING A PARTICULATED PASTA

Country Status (5)

Country Link
AU (1) AU3553293A (en)
BR (1) BR9301333A (en)
CA (1) CA2092502A1 (en)
GB (1) GB2265322A (en)
ZA (1) ZA932166B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2308319A (en) * 1995-12-21 1997-06-25 Univ Southampton Magnetic separationin a magnetic fluid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB970841A (en) * 1962-07-14 1964-09-23 Pierre Boutin Method and apparatus for the froth flotation of ores
US4343694A (en) * 1980-08-25 1982-08-10 Anglo-American Clays Corporation Magnetic beneficiation of clays utilizing magnetic seeding and flotation
GB2102301B (en) * 1981-07-23 1984-08-01 Norman Clark Solids extraction process
GB8314138D0 (en) * 1983-05-21 1983-06-29 British Petroleum Co Plc Benefication of carbonaceous fuels
AU2833684A (en) * 1983-06-27 1985-01-03 Conoco Inc. Separating refuse from coal
AU652267B2 (en) * 1991-08-20 1994-08-18 De Beers Industrial Diamond Division (Proprietary) Limited Separation method and apparatus

Also Published As

Publication number Publication date
CA2092502A1 (en) 1993-09-27
AU3553293A (en) 1993-09-30
ZA932166B (en) 1993-10-28
GB2265322A (en) 1993-09-29
GB9306342D0 (en) 1993-05-19

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Legal Events

Date Code Title Description
FA7 Application deemed withdrawn (art. 18 par. 1 of law 5772/71) - being contrary to morals, good customs and public security, order and health