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正渗透膜技术的研究与应用进展 预览

Research and application advances of forward osmosis membrane technology
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摘要 近年来,正渗透膜技术因低能耗、低污染、污染物截留能力强等优势已成为国内外研究的热点之一。首先介绍了正渗透膜技术中膜材料和汲取液的研究现状,比较了醋酸纤维(CTA)膜、薄层复合(TFC)膜与新型水通道蛋白(AQP)仿生膜的性能及优缺点,综述了汲取液的种类及对应的回收方法;其次,对正渗透膜污染机理进行了分析,并总结了针对每种污染的清洗措施;此外,将正渗透膜技术在产能、水资源回收等领域的应用研究现状进行了归纳;最后,基于以上论述进行了总结,对正渗透膜的未来研究方向进行了展望。 In recent years,forward osmosis(FO)membrane has become one of the hot issues owing to its low energy consumption,low fouling propensity and high pollutant rejection.In this paper,firstly,researches on membrane material and draw solution were introduced.The performances,advantages and disadvantages of cellulose triacetate(CTA)membrane,thin-film composite(TFC)membrane and aquaporin(AQP)biomimetic membrane were evaluated and compared.Types and recycling methods of draw solutions used in FO membrane process were reviewed.Secondly,membrane fouling mechanism of FO process was analyzed,and the corresponding membrane cleaning methods were summarized.Thirdly,application of FO membrane in energy production and water resource reclamation were reviewed.Finally,future research directions on FO membrane were proposed.
出处 《环境污染与防治》 CSCD 北大核心 2018年第2期230-235,共6页 Environmental Pollution & Control
基金 华特迪士尼(上海)有限公司资助项目(No.CA1301)。
关键词 正渗透 膜材料 汲取液 膜污染 应用 forward osmosis membrane material draw solution membrane fouling application
作者简介 任潇,女,1993年生,硕士研究生,主要从事污水处理理论与资源化研究。;通讯作者
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