Demineralization of coal

Details Demineralization of coal Demineralization of coal

1980-06-30

1981-11-10

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

208 46, 201 20, C10G 100, C10B 5704

Patent

active

042996848

ABSTRACT:
Disclosed is a method for comminuting and simultaneously removing mineral matter from coal by first treating the coal with a quaternary base solution, such as tetrabutylammonium hydroxide, then physically separating the mineral matter by any conventional separation technique based on the density differences of two materials.

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