Kinetics of stripping of gold loaded in DBC organic phase by sodium sulfite
来源期刊：Rare Metals2006年第1期
论文作者：ZHU Ping and GU Guobang College of Environment Science and Engineering, Shanghai University, Shanghai , China Department of Applied Chemistry, South China University of Technology, Guangzhou , China
文章页码：1 - 6
摘 要：<正>The kinetics of stripping of gold loaded in dibutyl carbito （DBC） organic phase by sodium sulfite was investigated in a Lewis cell. After the stirring speed reached 400 r·min-1, the reaction of gold stripping conformed with the pseudo-first-order reaction. The stripping rate of gold was in direct proportion to interfacial area, concentration of sodium sulfite and reaction temperature. The experimental results showed that the process of stripping gold was controlled by inter-facial chemical reaction, and its activation energy was 36.06 kJ·mol-1. The kinetics equation was put forward for gold stripping by sodium sulfite.
ZHU Ping and GU Guobang College of Environment Science and Engineering, Shanghai University, Shanghai 200072, China Department of Applied Chemistry, South China University of Technology, Guangzhou 510640, China
摘 要：<正>The kinetics of stripping of gold loaded in dibutyl carbito （DBC） organic phase by sodium sulfite was investigated in a Lewis cell. After the stirring speed reached 400 r·min-1, the reaction of gold stripping conformed with the pseudo-first-order reaction. The stripping rate of gold was in direct proportion to interfacial area, concentration of sodium sulfite and reaction temperature. The experimental results showed that the process of stripping gold was controlled by inter-facial chemical reaction, and its activation energy was 36.06 kJ·mol-1. The kinetics equation was put forward for gold stripping by sodium sulfite.
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