水处理领域中正渗透膜材料研究浅析

Analysis on the Membrane Materials of the Forward Osmosis in theWater Treatment Fields

近十年来,正渗透技术因其区别于其他膜过滤过程的独特特点引起了研究者们的极大兴趣,在应用膜过滤的产业领域里展开了广泛研究。水处理领域也是正渗透技术的主要应用领域,其中正渗透膜材料的性能是正渗透技术的核心要素之一。采用分类归纳的方法介绍了近年研究者们对正渗透膜材料的所开展的试验和研究,获得的膜材料具有的性能指标的特点,讨论了目前已初步实现商业化的膜材料和工程的实际应用状况以及出现的困境问题。提出目前制备出的正渗透膜材料不足之处以及正渗透膜材料可以深入完善的研究方向的建议。

In the past decade,the forward osmosis technology has attracted great interest from researchers because of its unique characteristics that distinguish it from other membrane filtration processes.It has conducted extensive research in the field of membrane filtration applications.Water treatment is also the main application field of the forward osmosis technology.The performance of forward osmosis membrane material is one of the core elements of forward osmosis technology.The method of classification and induction is used to introduce the study results carried out by researchers on forward osmosis membrane materials in recent years.As well as the performance characteristics of the membrane materials,the practical application status of the FO membrane materials and projects that have been preliminarily commercialized as well as the dilemma problems discussed are discussed.Suggestions are given on the shortcomings of the currently prepared forward osmosis membrane materials and the research directions in which the forward osmosis membrane materials can be further improved.