Test on Flotation Activation of Gold Ore Polluted by Underground Filler

Abstract

Abstract: In view of the gold recovery reduction of Shandong Xincheng gold ore due to its pollution by underground alkaline filler, the activation flotation test was made with sulfuric acid, oxalic acid of industrial grade and copper sulfate.The results show that sulfuric acid can achieve a good activation effect for both slightly and seriously polluted ore, improving the total gold recovery by 2~3 percentage points; industrial oxalic acid is good only for slightly polluted ore and has not evident effect on seriously polluted ore; and copper sulfate has a poor activation.

Key words: Gold ore, Pyrite, Underground filler, Alkaline pollution, Activation

JIN Huai-Xia, ZHANG Shu-Xia, SHEN Yu-Quan. Test on Flotation Activation of Gold Ore Polluted by Underground Filler[J]. Metal Mine, 2008, 38(04): 50-52+63.

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Test on Flotation Activation of Gold Ore Polluted by Underground Filler

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