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Photoelectrocatalysis as a high-efficiency platform for pulping wastewater treatment and energy production

Authors
Rajput, H.Kwon, E.E.Younis, S.A.Weon, S.Jeon, T.H.Choi, W.Kim, K.-H.
Issue Date
15-5월-2021
Publisher
Elsevier B.V.
Keywords
Electrode materials; Hydrogen evolution reaction (HER), Energy consumption; Photoelectrocatalysis (PEC); Pulping wastewater treatment; Reactors design
Citation
Chemical Engineering Journal, v.412
Indexed
SCIE
SCOPUS
Journal Title
Chemical Engineering Journal
Volume
412
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/49388
DOI
10.1016/j.cej.2021.128612
ISSN
1385-8947
Abstract
Among the diverse wastewater treatment routes, photoelectrocatalysis (PEC) developed by hybridization of photocatalyst with electrocatalyst has been demonstrated for a high potential in waste-to-energy applications. Here, we provide a comprehensive review to assess the technical readiness level of PEC techniques for both wastewater treatment and energy recovery, with a particular emphasis on the pulp and paper (P&P) industry. The effects of various experminetal parameters (e.g., electrode materials, reactor types, and experimental conditions) on the removal of organic pollutants from P&P effluents with the simultaneous recovery of energy (e.g., H2 and H2O2) have been evaluated in relation to the PEC performance metrics (e.g., quantum yield (QY), space–time yield (STY), and figure of merit (FoM) metrics). Critical challenges in the augmentation of PEC are also summarized in terms of cost analysis, energy consumption, and durability. At last, future research prospects of the PEC system under the real-world conditions are discussed. © 2021 Elsevier B.V.
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