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Citation: LUO Fang, LI De-Qian, WU Yong-Lie. Kinetic Study on the Mass Transfer in Exraction of Zinc with Cyanex 302 on Hollow Fiber Membrane Assembly[J]. Chinese Journal of Applied Chemistry, ;2000, 17(5): 471-474. shu

Kinetic Study on the Mass Transfer in Exraction of Zinc with Cyanex 302 on Hollow Fiber Membrane Assembly

1.
Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 26 January 2000
Available Online: 14 April 2000
Fund Project: 国家重点基础研究发展规划项目(G1998061302) (G1998061302)国家自然科学基金(29771018,29801004)资助课题 (29771018,29801004)

The kinetics of mass transfer in extraction of zinc with raw Cyanex 302 on hollow fiber membrane assembly was studied. The effects of feed solution acidity, concentration of Cyanex 302 and metal ions, and flow rates of aqueous and organic phases on the mass transfer coefficients were discussed. The kinetic equation is derived as follows R=7.22×10^-5Vc_[HL]^0.852c_Zn²⁺^0.524c_H⁺^-0.264/S and the reaction rate constants were calculated.
- zinc,
- extraction,
- Cyanex 302,
- hollow fiber membrane,
- mass transfer kinetics
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