Composition for froth flotation of zinc sulfide

Details Composition for froth flotation of zinc sulfide Composition for froth flotation of zinc sulfide

1979-07-23

1981-04-14

Willis, Jr., P. E.

Compositions

Physical separation agents

Froth-flotation or differential adherence

209 66, B03D 102

Patent

active

042618460

ABSTRACT:
Zinc sulfide is concentrated by a froth flotation process using a substituted benzotrifluoride compound as depressant for calcium fluoride. The benzotrifluoride compounds are substituted by hydrophilic groups such as hydroxy, carboxylic acid and amino.

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