Pyrite depressants useful in the separation of pyrite from coal

Details Pyrite depressants useful in the separation of pyrite from coal Pyrite depressants useful in the separation of pyrite from coal

B - Operations, Transporting

03

D

361/2

B03D 1/02 (2006.01) B03D 1/012 (2006.01)

Patent

CA 1335121

The separation of coal from pyrite during a froth flotation process is enhanced by the use of an effective amount of a pyrite depressant. The depressant is a hydrophilic compound of the form R'-S-R2-NH2 wherein R' and R2 are moieties containing carbon, hydrogen and oxygen.

597080

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