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Catalysts 2019, 9(3), 239; https://doi.org/10.3390/catal9030239

Overview of Photocatalytic Membrane Reactors in Organic Synthesis, Energy Storage and Environmental Applications

1
Department of Environmental and Chemical Engineering, University of Calabria, Via P. Bucci, 44/A, I-87036 Rende, Italy
2
Faculty of Chemical Technology and Engineering, Institute of Chemical Technology and Environment Engineering, West Pomeranian University of Technology, ul. Pułaskiego 10, 70-322 Szczecin, Poland
*
Authors to whom correspondence should be addressed.
Received: 8 February 2019 / Revised: 23 February 2019 / Accepted: 24 February 2019 / Published: 4 March 2019
(This article belongs to the Special Issue Photocatalytic Membrane Reactors)
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Abstract

This paper presents an overview of recent reports on photocatalytic membrane reactors (PMRs) in organic synthesis as well as water and wastewater treatment. A brief introduction to slurry PMRs and the systems equipped with photocatalytic membranes (PMs) is given. The methods of PM production are also presented. Moreover, the process parameters affecting the performance of PMRs are characterized. The applications of PMRs in organic synthesis are discussed, including photocatalytic conversion of CO2, synthesis of KA oil by photocatalytic oxidation, conversion of acetophenone to phenylethanol, synthesis of vanillin and phenol, as well as hydrogen production. Furthermore, the configurations and applications of PMRs for removal of organic contaminants from model solutions, natural water and municipal or industrial wastewater are described. It was concluded that PMRs represent a promising green technology; however, before the application in industry, additional studies are still required. These should be aimed at improvement of process efficiency, mainly by development and application of visible light active photocatalysts and novel membranes resistant to the harsh conditions prevailing in these systems. View Full-Text
Keywords: photocatalytic membrane reactor; photocatalysis; photocatalyst; membrane separation; photocatalytic membrane; organic synthesis; water treatment; wastewater treatment photocatalytic membrane reactor; photocatalysis; photocatalyst; membrane separation; photocatalytic membrane; organic synthesis; water treatment; wastewater treatment
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Molinari, R.; Lavorato, C.; Argurio, P.; Szymański, K.; Darowna, D.; Mozia, S. Overview of Photocatalytic Membrane Reactors in Organic Synthesis, Energy Storage and Environmental Applications. Catalysts 2019, 9, 239.

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