Abstract
The test data on sorption and flotation properties of reagent-collectors: dithiophosphate (DTP) and mercaptanbenzothiazol (MBT) relative to Pt-Cu-Ni minerals (chalcopyrite, pentlandite, and pyrrhotite) are presented. It was established by UV-spectroscopy analysis that MBT sorption on the study mineral specimens amounted to 62 % for chalcopyrite, and 15–30 % for pyrrhotites, 88 % for pentlanditepyrrhotite specimen to the initial reagent quantity. Adsorption of isopropyl and isobutyldithiophosphate on pentlandite-pyrrhotite was 59% and 82 %, respectively, along with none actual adsorption of these reagents on pyrrhotite.. It is shown that the selective sorption of MBT and DTP proves the expediency of applying the above complex-forming reagent mixture as selective collectors for platinum-bearing sulfide minerals at Pt-Cu-Ni ore flotation.
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