采用浸涂法研制出圆管状α－Ａｌ２Ｏ３陶瓷微滤膜，并通过扫描电镜、压汞仪、流体渗透通量测定等手段对膜结构及性能进行表征探讨了悬浮浆料的性质、制膜工艺条件对膜性能及结构的影响制备的陶瓷微滤膜表层膜厚度约为５０μｍ，平均孔径为０４５μｍ，孔隙率为４２％，水通量为６５×１０－２Ｌ／（ｍ２·ｈ·Ｐａ）其孔径分布窄，结构均匀无缺陷，机械性能良好，可满足工业化微滤过程的要求 The tubular α-Al2O3 ceramic microfiltration membrane was prepared by dip-coating method. The structure and properties of the membrane were characterized by scanning electron microscopy, mercury intrusion porosimetry and fluid permeation flux measurement. The properties of suspension slurry, Effect of process conditions on membrane properties and structure  The prepared ceramic microfiltration membrane has a superficial membrane thickness of about 50μm, an average pore size of 045μm, a porosity of 42% and a water flux of 65 × 10-2L / (m2 · H · Pa)  narrow pore size distribution, uniform structure without defects, good mechanical properties, to meet the requirements of industrial microfiltration process 