本研究利用高分子聚醯胺複合膜應用於廢水中重金屬之分離高分子界面聚合膜法,最佳反應條件可藉由透過性能分析而得,研究中發現TFC聚合膜之分離性能與聚合膜之特性有關,增加金屬離子之離子半徑能增加複合膜透過率與選擇性能,且複合膜之分離性能受膨潤效應之影響,適量膨潤增(DMF)加薄膜之緻密性且增加拒鹽率,但同時亦會降低水透過率,金屬離子有效半徑與聚醯胺薄膜之水透過率成正比,與拒鹽率成反比。 In this study the polyamide composite membranes for waste water treatment was synthesized by using the interfacial polymerization method. The optimum reaction conditions were obtained by separation testing. It was found that the separation performance of TFC membrane was strongly affected by character of polyamide. It was indicated that the separation performance increased with increasing the effective radius of metal ion. The swelling effect played an important role in the permeat transport through the membranes.