节点文献
CNTWs-PVDF复合导电膜的制备及抗生物污染性能研究
Preparation of CNTWs-PVDF Conductive Composite Membrane and its Anti-Biofouling Performance Analysis
【摘要】 选择高导电性、高分散度和高长径比的碳纳米晶须(CNTWs),通过两步相转换法制备了CNTWs-PVDF导电复合膜。结果表明,制备的导电膜具有特殊的双层孔道结构和较强的亲水性。该导电复合膜的导电性达到0.15S/m,比共混法制备的导电膜导电性能提高33%。施加-1.5 V电压时CNTWs-PVDF导电膜表现出良好的抗生物污染性能,且多次反洗后导电复合膜依然保持良好的导电性,说明导电层的机械稳定性良好。
【Abstract】 In this experiment, carbon nanowhiskers(CNTWs) with high conductivity, high dispersion, and high aspect ratio were selected to prepare CNTWs-PVDF conductive composite membranes by the two-step phase conversion method. The results suggested that the prepared conductive membrane has a special double-layer pore structure and strong hydrophilicity. The conductivity of the conductive composite membrane reached 0.15 S/m,which was 33% higher than that of the conductive membrane prepared by the blended method. When-1.5 V voltage was applied, the CNTWs-PVDF conductive membrane exhibited good anti-biofouling performance. And the conductive composite membrane still maintained good conductivity after frequent backwashing, indicating good mechanical stability of the conductive layer.
【Key words】 conductive membranes; biofouling; carbon nanowhiskers; ultrafiltration,water treatment;
- 【文献出处】 水处理技术 ,Technology of Water Treatment , 编辑部邮箱 ,2023年04期
- 【分类号】TQ051.893
- 【下载频次】85