Froth flotation

Details Froth flotation Froth flotation

1981-12-24

1983-11-22

Nozick, Bernard

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209167, 210704, B03D 114

Patent

active

044167695

ABSTRACT:
This invention relates to froth flotation of coal.
According to the invention a predominantly paraffinic residual oil having a cut point of at least 190.degree. C. at atmospheric pressure is used as a "collector" for the froth flotation of minerals. A preferred oil is a coal spray oil used in coke oven technology. The "collector" is for use with a "frother" such as a polyglycol ether.

REFERENCES:
patent: 1329493 (1920-02-01), Bacon
patent: 2377129 (1945-05-01), Christmann
patent: 2695101 (1954-11-01), Booth et al.
patent: 4222861 (1980-09-01), Finch
patent: 4340467 (1982-07-01), Wang et al.

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