WO2007098211A3 - Gravimetric separation system and method - Google Patents

Gravimetric separation system and method Download PDF

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Publication number
WO2007098211A3
WO2007098211A3 PCT/US2007/004526 US2007004526W WO2007098211A3 WO 2007098211 A3 WO2007098211 A3 WO 2007098211A3 US 2007004526 W US2007004526 W US 2007004526W WO 2007098211 A3 WO2007098211 A3 WO 2007098211A3
Authority
WO
WIPO (PCT)
Prior art keywords
gangue
gas
predetermined
particle size
specific gravity
Prior art date
Application number
PCT/US2007/004526
Other languages
French (fr)
Other versions
WO2007098211A2 (en
Inventor
R J Smythe
Original Assignee
2082710 Ontario Ltd
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 2082710 Ontario Ltd filed Critical 2082710 Ontario Ltd
Publication of WO2007098211A2 publication Critical patent/WO2007098211A2/en
Publication of WO2007098211A3 publication Critical patent/WO2007098211A3/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
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B4/00—Separating by pneumatic tables or by pneumatic jigs
    • B03B4/06—Separating by pneumatic tables or by pneumatic jigs using fixed and inclined tables ; using stationary pneumatic tables, e.g. fluidised beds
    • 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
    • B03B13/00—Control arrangements specially adapted for wet-separating apparatus or for dressing plant, using physical effects
    • 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
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B03B9/005—General arrangement of separating plant, e.g. flow sheets specially adapted for coal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

A method for separating components of a material includes assaying the material to determine the components and the specific gravity of at least one component. The material is ground into a heterogeneous gangue of predetermined particle size. Optionally, the particle size is determined according to Stokes' law. The gangue is delivered to a fluidizing bed having a gas permeable floor and a gas source delivering gas through the gas permeable floor at a predetermined gas flow rate, optionally corresponding to the terminal velocity of a component to be separated from the gangue. The gangue separates according to specific gravity and particles are extracted at a predetermined distance from the fluidizing bed.
PCT/US2007/004526 2006-02-21 2007-02-21 Gravimetric separation system and method WO2007098211A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US77559706P 2006-02-21 2006-02-21
US60/775,597 2006-02-21
US70952207A 2007-02-21 2007-02-21
US11/709,522 2007-02-21

Publications (2)

Publication Number Publication Date
WO2007098211A2 WO2007098211A2 (en) 2007-08-30
WO2007098211A3 true WO2007098211A3 (en) 2007-11-08

Family

ID=38437984

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/004526 WO2007098211A2 (en) 2006-02-21 2007-02-21 Gravimetric separation system and method

Country Status (1)

Country Link
WO (1) WO2007098211A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102489497A (en) * 2011-12-07 2012-06-13 安徽理工大学 Process for preparing fuel of gangue power plant by using washing gangue rich in kaolinite rock and sandstone by dry method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319980A (en) * 1980-03-07 1982-03-16 Rodman Jenkins Method for treating coal to obtain a refined carbonaceous material
US5014651A (en) * 1988-08-25 1991-05-14 D.U.T. Pty. Ltd. Method and apparatus for improving utilization of fuel values of as-mined coal in pulverized fuel-fired boilers
US5280836A (en) * 1987-11-30 1994-01-25 Genesis Research Corporation Process for beneficiating particulate solids

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319980A (en) * 1980-03-07 1982-03-16 Rodman Jenkins Method for treating coal to obtain a refined carbonaceous material
US5280836A (en) * 1987-11-30 1994-01-25 Genesis Research Corporation Process for beneficiating particulate solids
US5014651A (en) * 1988-08-25 1991-05-14 D.U.T. Pty. Ltd. Method and apparatus for improving utilization of fuel values of as-mined coal in pulverized fuel-fired boilers

Also Published As

Publication number Publication date
WO2007098211A2 (en) 2007-08-30

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