膜科学与技术

正渗透技术应用于污废水处理的研究进展

作者：龙中亮，huu hao ngo，张新波，刘颖，王慧中，温海涛

单位： 1.天津城建大学基础设施防护和环境绿色生物技术国际联合研究中心，天津 300384； 2.天津城建大学天津市水质科学与技术重点实验室，天津 300384

关键词：正渗透；影响因素；浓差极化；废水处理

出版年,卷(期):页码： 2022,42(1):192-200

摘要：

随着我国污废水处理市场和规模进一步扩大，同时膜材料生产成本下降，促进了膜技术在污废水处理领域的迅速发展。不同于传统施加外压的压力驱动膜处理技术，正渗透以其低能耗、低污染和高截留能力的特点引起了广泛关注。本文从正渗透技术原理出发，介绍了膜材料、汲取液种类和浓差极化三个主要影响因素；其次，分析了正渗透技术及组合工艺在废水处理领域的研究与应用现状；最后，基于正渗透技术在废水处理及资源化应用中仍存在的四个问题，对其未来发展方向和前景进行了展望。

With the further expansion of the sewage treatment market in China, and the decrease of production cost of membrane materials, the rapid development of membrane technology in the wastewater treatment has been promoted. Compared to the traditional pressure-driven membrane treatment technology, forward osmosis has the advantages of low energy consumption, low pollution and high retention capacity. Therefore, it has been widely concerned. Based on the principle of forward osmosis technology, three main influencing factors including membrane material, type of extraction solution and concentration polarization are introduced in this paper. Then, the current researches and applications of forward osmosis technology and the combined process in the wastewater treatment are summarized. Finally, the four problems existing in the application of forward osmosis technology to wastewater treatment and recycling are discussed. Additionally, the development trends of forward osmosis technology in the future are prospected.

龙中亮（1996-），男，湖北荆州人，硕士研究生，研究方向为水污染控制

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