Abstract: In west panzhihua vanadium-titanium magnetite, the grade of sulfur and cobalt were low in the S-Co rough concentrate, which cannot meet the demand of comprehensive utilization. Thorough research was conducted on the process mineralogy and beneficiation experiment to improve the utilization of sulfur and cobalt in west panzhihua region. The main sulfide mineral in vanadium-titanium magnetite are pyrite and pyrrhotite, cobalt is enriched in pyrite and hengleinite. By using sulfuric acid, butyl xanthate, copper sulfateand lime in combination, through the "cleaning-separation" process, the Co-S concentrate containing 0.74% Co, 41.07% S and sulfur concentrate containing 35.58% S can both be obtained, the comprehensive recovery of Co and S reaches 84.45% and 91.45%.

Key words: S-Co rough concentrate, Hengleinite, Comprehensive utilization