改性氧化石墨烯/聚醚砜杂化荷正电纳滤膜的制备及表征

被引:13
作者
余亮
张亚涛
刘金盾
机构
[1] 郑州大学化工与能源学院
基金
高等学校博士学科点专项科研基金;
关键词
氧化石墨烯; 壳聚糖; 聚醚砜纳滤膜; 脱盐;
D O I
暂无
中图分类号
TQ051.893 [];
学科分类号
080706 ;
摘要
以壳聚糖荷正电改性的氧化石墨烯为无机添加剂,以聚醚砜为膜材料,聚乙烯吡咯烷酮为致孔剂,以N,N-二甲基乙酰胺为溶剂,采用相转化法制备了有机无机杂化纳滤膜.考察了不同改性氧化石墨烯添加量对膜分离性能的影响.研究结果表明,随着改性氧化石墨烯含量的增加,荷正电纳滤膜的断面形态结构并未发生明显改变,但杂化膜的纯水通量、分离选择性明显增加.从研究结果可以看出,改性氧化石墨烯的最佳添加质量分数在0.5%左右.
引用
收藏
页码:1100 / 1105
页数:6
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