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Catalysts 2017, 7(8), 224; doi:10.3390/catal7080224

Photocatalytic Membrane Reactors (PMRs) in Water Treatment: Configurations and Influencing Factors

1
School of Environment & Natural Resources, Renmin University of China, Beijing 100872, China
2
Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
*
Authors to whom correspondence should be addressed.
Received: 7 June 2017 / Revised: 14 July 2017 / Accepted: 17 July 2017 / Published: 25 July 2017
(This article belongs to the Special Issue Catalysis in Membrane Reactors)
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Abstract

The lack of access to clean water remains a severe issue all over the world. Coupling photocatalysis with the membrane separation process, which is known as a photocatalytic membrane reactor (PMR), is promising for water treatment. PMR has developed rapidly during the last few years, and this paper presents an overview of the progress in the configuration and operational parameters of PMRs. Two main configurations of PMRs (PMRs with immobilized photocatalyst; PMRs with suspended photocatalyst) are comprehensively described and characterized. Various influencing factors on the performance of PMRs, including photocatalyst, light source, water quality, aeration and membrane, are detailed. Moreover, a discussion on the current problems and development prospects of PMRs for practical application are presented. View Full-Text
Keywords: heterogeneous photocatalysis; membrane process; photocatalytic membrane reactor (PMR); configuration; influencing factor heterogeneous photocatalysis; membrane process; photocatalytic membrane reactor (PMR); configuration; influencing factor
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Zheng, X.; Shen, Z.-P.; Shi, L.; Cheng, R.; Yuan, D.-H. Photocatalytic Membrane Reactors (PMRs) in Water Treatment: Configurations and Influencing Factors. Catalysts 2017, 7, 224.

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