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Photocatalytic Membranes in Photocatalytic Membrane Reactors

Department of Environmental and Chemical Engineering, University of Calabria, Via P. Bucci, 44/A, I-87036 Rende (CS), Italy
Institute on Membrane Technology (ITM), National Research Council of Italy (CNR), Via P. Bucci Cubo 17C, I-87036 Rende (CS), Italy
Center of Excellence in Desalination Technology, King Abdulaziz University, P.O. Box 80200, Jeddah 21589, Saudi Arabia
Authors to whom correspondence should be addressed.
Processes 2018, 6(9), 162;
Received: 2 August 2018 / Revised: 30 August 2018 / Accepted: 5 September 2018 / Published: 7 September 2018
(This article belongs to the Special Issue Novel Membrane Technologies for Traditional Industrial Processes)
The present work gives a critical overview of the recent progresses and new perspectives in the field of photocatalytic membranes (PMs) in photocatalytic membrane reactors (PMRs), thus highlighting the main advantages and the still existing limitations for large scale applications in the perspective of a sustainable growth. The classification of the PMRs is mainly based on the location of the photocatalyst with respect to the membranes and distinguished in: (i) PMRs with photocatalyst solubilized or suspended in solution and (ii) PMRs with photocatalyst immobilized in/on a membrane (i.e., a PM). The main factors affecting the two types of PMRs are deeply discussed. A multidisciplinary approach for the progress of research in PMs and PMRs is presented starting from selected case studies. A special attention is dedicated to PMRs employing dispersed TiO2 confined in the reactor by a membrane for wastewater treatment. Moreover, the design and development of efficient photocatalytic membranes by the heterogenization of polyoxometalates in/on polymeric membranes is discussed for applications in environmental friendly advanced oxidation processes and fine chemical synthesis. View Full-Text
Keywords: photocatalytic membrane reactors; photocatalytic membrane; fine chemistry; wastewater treatment photocatalytic membrane reactors; photocatalytic membrane; fine chemistry; wastewater treatment
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MDPI and ACS Style

Argurio, P.; Fontananova, E.; Molinari, R.; Drioli, E. Photocatalytic Membranes in Photocatalytic Membrane Reactors. Processes 2018, 6, 162.

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