Flotation of coal with latex emulsions of hydrocarbon animal or

Details Flotation of coal with latex emulsions of hydrocarbon animal or Flotation of coal with latex emulsions of hydrocarbon animal or

1980-03-20

1982-07-20

Halper, Robert

Classifying, separating, and assorting solids

Fluid suspension

Liquid

B03D 102

Patent

active

043404677

ABSTRACT:
Employment of a latex emulsion prepared from a hydrocarbon, animal or vegetable based oil with a hydrophobic water-in-oil emulsifier and a hydrophilic surfactant in the froth flotation of coal improves coal recovery without increasing the ash content. The emulsifier employed should have an HLB value of 5.0 or less while the surfactant should have an HLB value of 9.0 or higher.

REFERENCES:
patent: 3284393 (1966-11-01), Vanderhoff
patent: 3624018 (1971-11-01), Anderson
patent: 3734873 (1973-05-01), Anderson
patent: 3997492 (1976-12-01), Kane
patent: 4147681 (1979-04-01), Lim
patent: 4162966 (1979-07-01), Finch
patent: 4212784 (1980-07-01), Phillips

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