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中文摘要：
采用表面粗糙度仪、扫描电子显微镜（SEM）和三维非接触表面形貌仪（WLI）表征膜表面形貌，并考察了陶瓷膜表面粗糙度对过滤含油废水性能的影响．结果显示，具有不同表面粗糙度的相同孔径陶瓷膜，其纯水通量基本相同；粗糙度越大的膜，过滤含油废水的膜通量衰减越快，稳定通量也越低；陶瓷膜表面粗糙度对油截留率基本没有影响；废水中油滴粒径的变化对粗糙度大的膜的稳定通量影响显著，表明光滑膜更适合于处理含油废水．
英文摘要：
The information of surface morphology was provided by surface roughness tester, scanning electron microscopy （SEM） and white light interferometer （WLI）, and the effect of surface roughness of ceramic membrane on the performance of filtrating oily wastewater was investigated. The ceramic membranes with the same pore size and different surface roughness had the same pure water flux. The results of filtrating oily wastewater indicated that the rougher membranes had larger flux decline and lower steady flux than that of smoother ones. With the change of droplet size in the wastewater, the rougher membrane had the larger change of the steady flux. Surface roughness had little effect on oil rejection. This study indicated that smoother membrane was suitable for treating oily wastewater.
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