Hydrophilic thio compounds as selective depressants in the flota

Details Hydrophilic thio compounds as selective depressants in the flota Hydrophilic thio compounds as selective depressants in the flota

1978-03-20

1980-04-01

Halper, Robert

Classifying, separating, and assorting solids

Fluid suspension

Liquid

B03D 102

Patent

active

041960734

ABSTRACT:
A process for separating molybdenite from copper sulphide and other metal sulphide minerals with which it is associated in a metallurgical concentrate through use of a copper sulphide depressant which is a compound having at least one nitrogen atom, at least one thio group and at least one hydrophilic group. Some examples are 2-thiouracil, pseudothio-hydantoin, and 2-imino-4-oxo-5-thiazolidineacetic acid.

REFERENCES:
patent: 1952907 (1934-03-01), Christmann
patent: 1960459 (1934-05-01), Ruth
patent: 2449984 (1948-09-01), Gibbs
patent: 3329266 (1967-07-01), Cox
patent: 3400817 (1968-09-01), Burwell
patent: 3788467 (1974-01-01), Werneke

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