Keywords: 

serpentine, mica, talc, copper embedded size fine, patenet depressant

Existing problems: 

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.

Solution:

 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.

Result: 

access to 18% grade copper concentrate products, with recovery rate of 70%