Abstract: The systematic flotation tess were made on a single sulfide copper ore from Yunan, which used a collector combination of Mac-10 and 680 xanthate and two stage closed-circuit grinding. As a result, a copper concentrate grading 27.32% at a recovery of 93.10% was obtained .The element silver was also enriched in the copper concentrate, facilitating a comprehensive utilization.

Key words: Sulfide copper ore, Flotation, Reagent combination