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

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...

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Bibliographic Details
Published inCatalysts Vol. 7; no. 8; p. 224
Main Authors Zheng, Xiang, Shen, Zhi-Peng, Shi, Lei, Cheng, Rong, Yuan, Dong-Hai
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.08.2017
Subjects
Aeration
Catalysts
Chemical reactions
configuration
heterogeneous photocatalysis
influencing factor
membrane process
Membrane reactors
Membrane separation
Photocatalysis
Photocatalysts
photocatalytic membrane reactor (PMR)
Water quality
Water treatment
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Summary: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.
ISSN:2073-4344
2073-4344
DOI:10.3390/catal7080224