膜科学与技术

中空纤维复合正渗透膜的表征

作者：

肖婷婷¹，²，刘仁啸²，陈刚²，赵宝龙²，王周为²，李雪梅²，李业萍³，赵海洋⁴，张林⁴，何涛¹，²

单位： 1. 中国科学院上海高等研究院，上海201210； 2. 上海科技大学，上海 201210； 3. 奥地利安东帕（中国）有限公司，上海 200233； 4. 浙江大学化学工程与生物工程学院，浙江 310027

关键词：正渗透；中空纤维复合膜；反渗透；表征方法

出版年,卷(期):页码： 2016,36(4):54-59

摘要：

正渗透膜是一种以膜两侧溶液的渗透压差为推动力的低能耗膜过程，在海水淡化、城市废水处理、药物渗透释放方面具有广泛的应用前景。发展中空纤维正渗透膜是关系到正渗透过程研究和应用的重要方向。本文以界面聚合中空纤维正渗透膜为基础，系统介绍了复合正渗透膜的支撑层结构和形貌，以及特性参数如A值、B值、S值的测定和计算方法。本文介绍的方法对平板正渗透膜材料的表征也具有借鉴意义。

Forward osmosis (FO) is a membrane process driven by the osmotic pressure gradient across a semi-permeable membrane. It is potentially applicable to sea water desalination, municipal waste water treatment and controlled drug release. The development of hollow fiber FO membranes is worthy of special focus both for membrane study and process application. Herein, a characterization methodology for hollow fiber FO membranes is presented with respect to characteristics of the support membrane, FO membrane pure water permeability (A), solute permeability (B) and structural parameter (S). The methodology introduced in this paper is applicable to flat sheet FO membrane as well.

第一作者简介：肖婷婷（1992-），女，内蒙古包头人，硕士研究生，从事正渗透膜材料制备及应用研究。* 通讯作者，E-mail: het@sari.ac.cn

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