Author, as appears in the article.: Djellabi R; Su P; Elimian EA; Poliukhova V; Nouacer S; Abdelhafeez IA; Abderrahim N; Aboagye D; Andhalkar VV; Nabgan W; Rtimi S; Contreras S
Department: Enginyeria Química
URV's Author/s: ABOAGYE, DOMINIC / Andhalkar, Vaibhav Vilas / Contreras Iglesias, Sandra / Djellabi, Ridha / Nabgan, Walid
Keywords: Simultaneous removal Photocatalysis Metal-organic frameworks Heterojunction semiconductors Cr(vi) photoreduction Conjugated polymers
Abstract: Toxic Cr(VI) polluted wastewater is worldwide recognized because of the wide application of chromium substances in various industrial sectors. Sustainable water pollution approaches are on demand now more than ever. In terms of Cr(VI), many homogenous and heterogenous techniques are applying to intensify its removal form water. Photocatalytic reduction of Cr(VI) has been suggested widely by the scientific community over the last two decades. This report addresses the current research state of the photocatalytic Cr(VI) reduction by addressing the most advances in terms of materials design and mechanistic pathways depending on the working conditions. The photocatalytic activity of different classes of materials such as single or heterojunction semiconductors, hybridization of photocatalyst nanoparticles (NPs) with sorbing materials, i.e., carbonaceous materials, metal-organic frameworks (MOFs), and conjugated polymers, is discussed in depth. The photodeposition of photoproduced Cr(III) on the surface of photocatalysts, and approaches to boost its desorption was addressed as well. The review discusses also the simultaneous photocatalytic reduction of Cr(VI) and oxidation of organic pollutants. A critical analysis of the current state and how to transfer substantial fundamental research to present world application was given by addressing the pros and cons of photocatalytic technology for Cr(VI) reduction compared to existing technologies. Positive research suggestions were provided to enhance the ability of photocatalytic technology for possible use, even for the purification of small volumes of industrial wastewater.
Thematic Areas: Water science and technology Water resources Waste management and disposal Safety, risk, reliability and quality Química Process chemistry and technology Materiais Farmacia Engineering, environmental Engineering, chemical Engenharias iii Engenharias ii Engenharias i Ciências ambientais Ciências agrárias i Ciência de alimentos Biotechnology Astronomia / física
licence for use: https://creativecommons.org/licenses/by/3.0/es/
Author's mail: walid.nabgan@urv.cat ridha.djellabi@urv.cat sandra.contreras@urv.cat vaibhavvilas.andhalkar@estudiants.urv.cat vaibhavvilas.andhalkar@estudiants.urv.cat dominic.aboagye@urv.cat
Author identifier: 0000-0001-9901-862X 0000-0002-1475-5565 0000-0001-8917-4733 0000-0003-4686-0762 0000-0003-4686-0762
Record's date: 2024-06-28
Papper version: info:eu-repo/semantics/publishedVersion
Link to the original source: https://www.sciencedirect.com/science/article/pii/S2214714422007450
Licence document URL: http://repositori.urv.cat/ca/proteccio-de-dades/
Papper original source: Journal Of Water Process Engineering. 50
APA: Djellabi R; Su P; Elimian EA; Poliukhova V; Nouacer S; Abdelhafeez IA; Abderrahim N; Aboagye D; Andhalkar VV; Nabgan W; Rtimi S; Contreras S (2022). Advances in photocatalytic reduction of hexavalent chromium: From fundamental concepts to materials design and technology challenges. Journal Of Water Process Engineering, 50(), -. DOI: 10.1016/j.jwpe.2022.103301
Article's DOI: 10.1016/j.jwpe.2022.103301
Entity: Universitat Rovira i Virgili
Journal publication year: 2022
Publication Type: Journal Publications
Repositori URV