Insights into the distribution characteristic changes of leaching solution in the gap between chalcopyrite and passivation layer with polyvinyl pyrrolidone: A molecular view

Hao Zhang,Jue Kou,Chunbao Sun,Peilong Wang,Jiawei Lin,Jinlin Li,Yongliang Jiang

Applied Surface Science（2023）

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摘要

•Equilibrium leaching solution distribution between mineral and passivation layer was obtained.•The distribution characteristics of the leaching solution were analyzed.•PVP prevented the accumulation of SO42− near chalcopyrite.•The diffusion coefficient of H2O molecules increased after PVP addition.

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关键词

Chalcopyrite,Leaching,Passivation layer,PVP,Molecular simulation

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