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用上升液滴法研究纯水及萃取有机溶液中柠檬酸的动力学，考察了不同有机溶液体系对反萃取速率的影响，结果表明由有机胺、油酸、醋酸丁酯组成的体系Ⅰ和体系Ⅰ基础上增添２００＃溶剂油组成的体系Ⅱ，其反萃取动力学经验方程式分别为：Ｒｂ＝ｋｂ［Ｈ３Ａ］０．６（０）［Ｒ３Ｎ］０．８（０）［醋酸丁酯］－０．５（０）［油酸］１．９（０）和Ｒｂ＝ｋｂ［Ｈ３Ａ］０．８（０）［Ｒ３Ｎ］１．６（０）［醋酸丁酯］２．０（０）
The kinetics of citric acid in pure water and extraction organic solution was investigated by rising liquid droplet method. The effects of different organic solvent systems on the stripping rate were investigated. The results showed that the system Ⅰ and system composed of organic amine, oleic acid and butyl acetate Ⅰ based on the system composed of 200 # solvent oil system Ⅱ, the empirical equation of the stripping kinetics were: Rb = kb [H3A] 0.6 (0) [R3N] 0.8 (0) [butyl acetate] 0.5 (0) [Oleic acid] 1.9 (0) and Rb = kb [H3A] 0.8 (0) [R3N] 1.6 (0) [Butyl acetate] 2.0 (0)