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Comprehensive recovery of various useful minerals in iron tailings - Sichuan Panzhihua Midi Concentrator and Lai Skarn Iron Ore
A, densely beneficiation plant Panzhihua
Panzhihua Midi Concentrator can handle year magnet vanadium and titanium ore 13,500,000 t, vanadium ilmenite concentrate annual 588.3 million t. The magnetic separation tailings also contain valuable elements Fe13.82%, TiO 2 8.63%, S0.609%, Co 0.016%. In order to comprehensively recycle the ferrotitanium and sulphur- cobalt in the magnetic separation tailings, coarse selection is also adopted. ——including slag screening, hydraulic grading, re-election, flotation, weak magnetic separation, dewatering filtration, etc.; and selection – including dry grading, coarse grain electrification, fine grain electrification, packaging, etc. Processing magnetic separation tailings. Annually available titanium concentrate (TiO 2 46% ~ 48%) 50,000 tons, and by-product sulfur-cobalt concentrate (sulfur grade 30%, cobalt grade 0.306%) 6400t.
Second, Laiyan skarn type iron ore
The magnetic separation tailings of the Laiyan skarn type iron ore contain gold , copper and cobalt and other valuable metals. They are re-elected by heavy-floating combined process to obtain gold and copper concentrates. The annual treatment of iron tailings is 220,000 tons. 1,375,600 yuan.