Abstract
The insufficient removal of organic pollutants obstacles the reclamation of wastewater and threatens water security. Photocatalytic membrane, a hybrid water treatment method by integrating photocatalysis with membrane filtration, has drawn considerable attention in the removal of organic pollutants from various sources of wastewater such as textile industries, palm oil mill effluent, sewage, and industrial wastewater. This review consolidates the recent advances in the application of photocatalytic membranes for the removal of organic pollutants from contaminated water. Various types of polymer-based photocatalytic membranes and TiO2-based photocatalytic membranes have been reviewed. Strategies to enhance the photocatalytic activity by implementation of different immobilization methods for fabricating photocatalytic membranes are also addressed. Furthermore, the applications of typical TiO2-based photocatalytic membranes and key factors affecting organic pollutants removal are discussed based on the literature database. Overall, utilization of the photocatalytic membrane presents a promising approach towards the development of an effective photocatalyst and membrane performance in simultaneous process.
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