Eco-Friendly and Biodegradable Depressants in Chalcopyrite Flotation: A Review

Flotation of Sulphide Minerals Using Organosolv Lignin as Collector—Pilot-Scale Trials

“…Furthermore, xanthates present moderate stability, causing quality deviations, with an unexpected impact on the flotation performance [4]. As a consequence of the aforementioned concerns, there is an increasing trend in the replacement of xanthates with safe and eco-friendly chemicals in the flotation process [5,6].…”