Preparation of photocatalytic separation membranes and their application in water treatment

doi:10.16085/j.issn.1000-6613.2020-1814

Abstract

Abstract:

Photocatalytic separation membrane has become a research hotspot in wastewater treatment due to its great potential for industrial application. The photocatalytic separation membrane combines membrane separation and photocatalysis in a single unit. Besides playing the role of membrane separation, the photocatalysts can efficiently degrade toxic and harmful pollutants in water and improve the anti-fouling performance and efficiency of the membrane. This paper reviews the recent progress of photocatalytic separation membranes based on four commonly used photocatalysts: TiO₂, ZnO, g-C₃N₄and WO₃. The fabrication and performance of the photocatalytic membranes are elaborated. Photocatalytic separation membranes have bright prospects, and the preparation of efficient and stable visible light-responsive photocatalytic separation membranes will be the future trend.

Key words: photocatalysis, membranes, separation, catalyst, waste water, pollution

摘要：

光催化分离膜将膜分离与光催化结合在同一处理单元中，可发挥膜分离作用，同时也可以利用光催化剂高效降解水中的有毒有害污染物，提高膜的抗污染性能和水处理效率。因此是水处理领域的研究热点，并显示出巨大的应用潜力。本文综述了基于二氧化钛（TiO₂）、氧化锌（ZnO）、石墨相氮化碳（g-C₃N₄）和氧化钨（WO₃）四种常用催化剂的光催化分离膜的研究概况，重点对光催化分离膜的制备方法和性能进行了总结，光催化分离膜具有良好的发展前景，制备高效、稳定的可见光响应光催化分离膜是未来的发展趋势。

关键词: 光催化, 膜, 分离, 催化剂, 废水, 污染

CLC Number:

TQ051.8

QING Yashi, LI Yanqing, HU Dan, LI Yanxiang, CAO Lixia, LIN Song, WANG Zaiqian, LI Wangliang. Preparation of photocatalytic separation membranes and their application in water treatment[J]. Chemical Industry and Engineering Progress, 2021, 40(8): 4540-4550.

庆雅诗, 李燕青, 胡丹, 李艳香, 曹丽霞, 林松, 王在谦, 李望良. 光催化分离膜的制备及其在水处理中的应用[J]. 化工进展, 2021, 40(8): 4540-4550.

Figures/Tables 2

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