The role of oxidizer in the flotation separation of chalcopyrite and galena using sodium lignosulfonate as a depressant

Yuangan Chen,Bo Feng,Yutao Guo,Tao Wang,Liangzhu Zhang,Chunhui Zhong,Huihui Wang

Minerals Engineering（2021）

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摘要

•SLS is selected as the depressant of galena in chalcopyrite flotation.•H2O2 can strengthen the depressive of SLS on galena by oxidizing its surface.•SLS can be selectively adsorbed on galena through chemical adsorption.•The oxidation rate of H2O2 on the surface of galena is greater than chalcopyrite.

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关键词

Chalcopyrite,Galena,Hydrogen peroxide,Sodium lignosulfonate,Flotation separation

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