Research on Beneficiation Process for Certain Refractory Gold Ore from Yuannan

Abstract

Abstract: In light of the complex properties of a refractory gold ore from Yunnan, gravity separation, combination of gravity separation and flotation, and regrinding and flotation of rougher concentrate were investigated. It was finally determined through open-circuit lab test that rougher concentrate regrinding and flotation was the optimal process for this ore. The process obtained a concentrate gold grade of 84.67g/t, gold recovery of 46.03%, silver grade of 220.0g/t, relative gold sulfide recovery of 100% from a rougher concentrate containing 6.49g/t gold, with the gross gold recovery being 87.82%, relatively good results.

Key words: Gold ore, Rougher concentrate, Regrinding-flotation process

YOU Teng-Sheng, WANG Shu-Ming, WANG Ren-Dong, CHEN Wei. Research on Beneficiation Process for Certain Refractory Gold Ore from Yuannan[J]. Metal Mine, 2008, 38(01): 73-75.

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Research on Beneficiation Process for Certain Refractory Gold Ore from Yuannan

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