非对称结构聚四氟乙烯中空管式纤维膜的制备及油水分离性能

刘劲扬, 李成才, 朱海霖, 郭玉海, 姜学梁

Preparation and oil-water separation performance of asymmetric structure polytetrafluoroethene empty tube fiber membrane

LIU Jinyang, LI Chengcai, ZHU Hailin, GUO Yuhai, JIANG Xueliang

图3 不同膜的表面形貌照片

Fig.3 Surface topography of different membrane. (a) Outer surface of hollow tubular fiber membrane; (b) Inner surface of hollow tubular fiber membrane;(c) PTFE flat fiber membrane surface;(d) 0.1 μm wrap 1 outer surface;(e) 0.2 μm wrap 1 layer outer surface; (f) 0.45 μm wrap 1 outer surface; (g) 0.2 μm wrap 1 layer inner surface; (h) 0.2 μm wrap 3 layers of hydrophilic modified outer surface