Advanced photocatalysis as a viable and sustainable wastewater treatment process: A comprehensive review
Ahtasham Iqbal M. Akram S. khalid S. Lal B. Hassan S.U. Ashraf R. Kezembayeva G. Mushtaq M. Chinibayeva N. Hosseini-Bandegharaei A.
15 July 2024Academic Press Inc.
Environmental Research
2024#253
In our era, water pollution not only poses a serious threat to human, animal, and biotic life but also causes serious damage to infrastructure and the ecosystem. A set of physical, chemical, and biological technologies have been exploited to decontaminate and/or disinfect water pollutants, toxins, microbes, and contaminants, but none of these could be ranked as sustainable and scalable wastewater technology. The photocatalytic process can harmonize the sunlight to degrade certain toxins, chemicals, microbes, and antibiotics, present in water. For example, transition metal oxides (ZnO, SnO2, TiO2, etc.), when integrated into an organic framework of graphene or nitrides, can bring about more than 90% removal of dyes, microbial load, pesticides, and antibiotics. Similarly, a modified network of graphitic carbon nitride can completely decontaminate petrochemicals. The present review will primarily highlight the mechanistic aspects for the removal and/or degradation of highly concerned contaminants, factors affecting photocatalysis, engineering designs of photoreactors, and pros and cons of various wastewater treatment technologies already in practice. The photocatalytic reactor can be a more viable and sustainable wastewater treatment opportunity. We hope the researcher will find a handful of information regarding the advanced oxidation process accomplished via photocatalysis and the benefits associated with the photocatalytic-type degradation of water pollutants and contaminants.
Advanced oxidation process , Photocatalysis , Photoreactors , Pros and cons , Wastewater treatment
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Department of Chemistry, Government College University Lahore, Pakistan
Division of Science and Technology, University of Education Lahore, Pakistan
Department of Chemistry, Institute of Applied Science and Humanities, GLA University, Mathura, 281406, India
Department of Irrigation & Drainage, University of Agriculture, Faisalabad, Pakistan
Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
Mining and Metallurgical Institute Named After O.A. Baikonurov, Department Chemical Processes and Industrial Ecology, Satbayev University, Almaty, Kazakhstan
Abai Kazakh National Pedagogical University, Almaty, Kazakhstan
Faculty of Chemistry, Semnan University, Semnan, Iran
Centre of Research Impact and Outcome, Chitkara University, Punjab, Rajpura, 140417, India
Department of Sustainable Engineering, Saveetha School of Engineering, SIMATS, Tamil Nadu, Chennai, 602105, India
Department of Chemistry
Division of Science and Technology
Department of Chemistry
Department of Irrigation & Drainage
Department of Chemistry
Mining and Metallurgical Institute Named After O.A. Baikonurov
Abai Kazakh National Pedagogical University
Faculty of Chemistry
Centre of Research Impact and Outcome
Department of Sustainable Engineering
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