用乙基纤维素、海藻酸钙为膜材,分别采用水浴干燥法、锐孔法制备微胶囊,从理论上对微胶囊萃取钪的动力学方程进行了推导,得到一级反应动力学方程.实验表明,乙基纤维素微胶囊的渗透系数大于海藻酸钙微胶囊的渗透系数,从而具有较小传质阻力,适合于钪的萃取.
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