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  2. Method For The Froth Flotation Of Coal Patent Application

Method For The Froth Flotation Of Coal Patent Application

Employment of a latex emulsion prepared from a hydrocarbon animal or vegetable based oil with a hydrophobic waterinoil 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 50 or less while the surfactant should have an hlb value of 90 or higher.

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