Froth flotation of zinc sulfide

Details Froth flotation of zinc sulfide Froth flotation of zinc sulfide

1978-10-20

1980-07-29

Halper, Robert

Solid material comminution or disintegration

Processes

With classifying or separating of material

209166, 241 27, B02C 1700

Patent

active

042147107

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.

REFERENCES:
patent: 1055495 (1913-03-01), Schick
patent: 2407651 (1946-09-01), Clemmer
patent: 3235077 (1966-02-01), McGarry
patent: 3361257 (1968-01-01), Haseman
patent: 3936294 (1976-02-01), Childress
patent: 4043455 (1977-08-01), Ground

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