Preparation and characterization of high flux ultrafiltration composite membrane based on nanofibrous substrate and cellulose acetate coating
High flux ultrafiltration (UF) membranes based on electrospun polyacrylonitrile (PAN) nanofibrous substrates and cellulose acetate (CA) hydrophilic coatings have been demonstrated. Scanning electron microscopy (SEM) was used to examine the surface and cross sectional morphologies of these composite membranes. The results showed that the surface of the membranes was flat and smooth, and the CA coating was penetrated into the electrospun nanofibrous substrate. Concentration effect of CA in the coating solution on filtration properties of the composite membranes was investigated. The experimental results showed that the composite membrane of 10wt% CA coating solution possessed high water flux (310L·m -2 ·h -1) with good organic rejection rate (95.5%) for oil/water emulsion separation, and the composite membranes performed higher rejection rate and lower flux with the CA concentration increasing.
WEI Jielin WANG Xuefen ZHANG Kai ZHOU Kun
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University,S State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University,
国际会议
2009 International Conference on Advanced Fibers and Polymer Materials(2009年先进纤维与聚合物材料国际学术会议)
上海
英文
625-627
2009-10-21（万方平台首次上网日期，不代表论文的发表时间）