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Engineering and modeling perspectives on photocatalytic reactors for water treatment

journal contribution
posted on 13.09.2021, 12:40 by Dawei Wang, Miguel Angel Mueses, José Angel Colina Márquez, Fiderman Machuca-Martínez, Ivana Grčić, Rodrigo Peralta-Muniz-MoreiraRodrigo Peralta-Muniz-Moreira, Gianluca Li-PumaGianluca Li-Puma
The debate on whether photocatalysis can reach full maturity at commercial level as an effective and economical process for treatment and purification of water and wastewater has recently intensified. Despite a bloom of scientific investigations in the last 30 years, particularly with regards to innovative photocatalytic materials, photocatalysis has so far seen a few industrial applications. Regardless of the points of view, it has been realized that research on reactor design and modeling are now equally urgent to match the extensive research carried out on innovative photocatalytic materials. In reality, the development of photocatalytic reactors has advanced steadily in terms of modeling and reactor design over the last two decades, though this topic has captured a smaller specialized audience. In this critical review, we introduce the latest developments on photocatalytic reactors for water treatment from an engineering perspective. The focus is on the modeling and design of photocatalytic reactors for water treatment at pilot- or at greater scale. Photocatalytic reactors utilizing both natural sunlight and UV irradiation sources are comprehensively discussed. The most promising photoreactor designs and models are examined giving key design guidelines. Other engineering considerations, such as operation, cost analysis, patents, and several industrial applications of photocatalytic reactors for water treatment are also presented. The dissemination of key photocatalytic reactor design principles among the scientific community and the water industry is currently one of the greatest obstacles in translating PWT research into widespread real-world application.

Funding

Fundamental Research Funds for the Central Universities (No. B200204033)

PAPD

EU COST Action: ES1403 on New and Emerging Challenges and Opportunities in Wastewater Reuse (NEREUS)

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Chemical Engineering

Published in

Water Research

Volume

202

Publisher

Elsevier BV

Version

AM (Accepted Manuscript)

Rights holder

© Elsevier

Publisher statement

This paper was accepted for publication in the journal Water Research and the definitive published version is available at https://doi.org/10.1016/j.watres.2021.117421

Acceptance date

06/07/2021

Publication date

2021-07-11

Copyright date

2021

ISSN

0043-1354

eISSN

1879-2448

Language

en

Depositor

Prof Gianluca Li Puma. Deposit date: 7 September 2021

Article number

117421