研究了在中空纤维膜器中用未纯化的二(2,4,4-三甲基戊基)硫代膦酸(Cyanex302)萃取锌的传质动力学.考察了料液酸度、萃取剂浓度、料液的流速、萃取剂的流速及金属离子浓度等因素对传质系数的影响,考察了氢离子浓度、金属离子浓度、萃取剂浓度与萃取速率的关系,获得了相应的反应级数,计算得到了速率常数值,动力学方程为:R=7.2 2×10-5Vc0.852[HL]c0.524Zn2+c-0.264H+/S.
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