研究了40 kHz超声波处理对0.45μm的聚醚砜膜(PES)、混纤膜(CN-CA)、尼龙膜(N6)等几种微滤膜的影响.采用微滤膜的水通量和浓度为4 g/L的大豆分离蛋白溶液截留率的变化以及SEM的观察评价超声波处理对其结构的影响.实验结果表明:超声波处理有时会对膜造成损伤,其受损程度与膜材质、超声波强度、超声波处理时间和膜组件的外壳材质有一定的关系.
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