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Facile synthesis of a porous 3D g-C3N4 photocatalyst for the degradation of organics in shale gas brines

Hutchings, Graham J. ORCID:, Davies, Philip R., Pattisson, Samuel, Davies, Thomas E., Morgan, David J. ORCID: and Dlamini, Mbongiseni W. 2022. Facile synthesis of a porous 3D g-C3N4 photocatalyst for the degradation of organics in shale gas brines. Catalysis Communications 169 , 106480. 10.1016/j.catcom.2022.106480

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Treatment and subsequent re-use of wastewater from shale gas extraction is a feasible strategy to ensure sustainability and reduce the environmental impact of the process. Here we demonstrate the photocatalytic benefits of improved three-dimensional graphitic carbon nitride (3D g-C3N4) during the degradation of organic contaminants. We show that precursor ratio (melamine to cyanuric acid) affects both the properties of 3D g-C3N4 as well as catalytic performance. When optimized, 3D g-C3N4 displayed the highest organics removal rate in brine-free solutions, achieving 99% conversion within 240 min. Significantly, the 3D g-C3N4 materials improved photocatalytic activity even in simulated shale gas brine solutions.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Additional Information: This is an open access article under the CC-BY-NC-ND 4.0 International (CC BY-NC-ND 4.0).
Publisher: Elsevier
ISSN: 1566-7367
Funders: EPSRC
Date of First Compliant Deposit: 27 July 2022
Date of Acceptance: 9 July 2022
Last Modified: 18 Aug 2023 22:41

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