serpentine, mica, talc, copper embedded size fine, patenet depressant
serpentine content more than 60% in the original ore, content of mica and talc very high, copper mineral embedded size fine, all results in low copper recovery rate, no copper concentrate products.
Grading after ore grinding. In flotation processing, sorting different grades and float separately, add patented highly gangue minerals depressant, and access to qualified copper concentrate products.
access to 18% grade copper concentrate products, with recovery rate of 70%