面向过程的陶瓷膜材料设计理论与方法(Ⅱ)颗粒体系微滤过程中膜结构参数影响预测

Huagong Xuebao/Journal of Chemical Industry and Engineering (China)(2003)

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Abstract
以所建立的颗粒体系微滤过程中膜结构参数与渗透性能关系模型为基础,在膜孔径和颗粒粒径均为正态分布的理想条件下对膜孔径、膜厚度、孔隙率对膜稳态通量的影响进行模拟计算.结果表明:对于颗粒悬浮体系的分离存在最优膜孔径使膜通量最大,该最优孔径随颗粒平均粒径增大、颗粒粒径分布变窄而有所增大.模拟计算结果有助于深入理解膜微观结构对宏观性能的影响.
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Key words
Ceramic membrane,Permeate flux,Structure parameters
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