摘要:反渗透膜的孔径对其宏观性能具有决定性作用,然而当前尚未有成熟的反渗透膜孔径检测技术。以苦咸水反渗透膜为研究对象,测量RO膜对不同溶质分子和离子的截留率和水通量,结合表面力-孔隙流(SF-PF)模型分析实验数据,建立膜截留率与单孔孔径的函数关系,得到在特定溶质下反渗透膜表面孔径分布函数,最后采用试差法确定反渗透膜表面最合适的孔径分布情况。
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