膜科学与技术

正渗透的机理

作者：方彦彦，田野，王晓琳

单位：清华大学化学工程系化学工程联合国家重点实验室，北京，100084

关键词：渗透正渗透渗透压机理膜

出版年,卷(期):页码： 2011,31(6):95-100

摘要：

正渗透技术是一种新兴的利用渗透原理的膜分离技术，能自发进行，无需外加压力即可实现，为水资源和环境问题提供了低能耗、高效率的解决途径。近年来正渗透技术在国际上得到了广泛的重视，相关的研究正快速发展。本文详细总结了正渗透机理方面的研究进展，深入分析了正渗透的整个动力学过程，为正渗透膜的设计和制备与驱动溶质的选择和开发提供了理论基础。

As a type of novel technology by using the principle of osmosis, forward osmosis can is produce a spontaneous without external pressure. which This approach provides an approach consumes very of low energy consumption and is highly efficient to for contemporary worldwide water and environment problems. Forward osmosis has recently drawn worldwide attention, and relevant studies are in burgeoning development. This review summarizes the progress of study on the mechanism of forward osmosis in detail, analyzes the whole dynamic process in depth and provides a theoretical basis for design and preparation of FO membranes and selection and development of draw solutes.

方彦彦（1987-），男，博士研究生，主要从事正渗透过程及应用研究；联系电话：62794742；E-mail：fyy04@mails.tsinghua.edu.cn,通讯作者：王晓琳，男，教授；联系电话：62794741；E-mail：xl-wang@tsingua.edu.cn

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