2000•Mining and MetallurgyRequires access

STUDY ON TECHNOLOGICAL FLOWSHEET FOR SULPHIDE ORE BENEFICATION AT YULONG COPPER MINE IN TIBET

Xi Wu

Abstract

Sulphide ore at Yulong Copper Mine in Tibet is a type of complex and refractory ore Mineralogy research showed that contents of secondary copper minerals, pyrite, montmorillonite and kaolinite as well as oxidation ratio were higher By comparison of various flowsheets, the flowsheet of Cu S bulk flotation regrinding of bulkrougher concentrate followed by Cu S separation sand flotation after bulk flotation tailings desliming slime acid leaching was developed On the basis of the batch test, the continuous test was carried out The results of continuous test showed that 20 47% of copper concentrate grade and 78 49% of total copper recovery, with 73 66% of flotation recovery and 4 83% of acid leaching recovery, could be obtained

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Key concepts: Tailings, Copper, Leaching (pedology), Copper ore, Pyrite, Metallurgy, Kaolinite, Copper extraction techniques