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Non-thermal plasma (NTP) is a dynamic mixture of reactive species generated when a gas is exposed to high voltage. This process produces both relatively long-lived species, such as ozone, hydrogen peroxide, and nitrous oxides, and highly reactive short-lived species, such as hydroxyl radicals and singlet oxygen, along with UV radiation, ultrasound, and shock waves. These reactive species are powerful oxidants capable of breaking down a wide variety of organic and inorganic contaminants across water, gas, and solid media. This presentation will delve into the fundamental principles of NTP and explore its successful applications in tackling emerging environmental challenges.
About the Speaker
Chedly Tizaoui (FIChemE) is a Professor of Chemical Engineering at Swansea University. He conducts research in advanced oxidation and separation processes, and is currently leading the Water and Resources Recovery research lab, working on research projects to tackle several water treatment and other environmental challenges. Tizaoui has particular focus on treatment processes based on ozone, non-thermal plasma, photocatalysis, membrane, and filtration to eradicate emerging contaminants in water (e.g. PFAS, PPCPs).
Tizaoui is the Editor-in-Chief of Ozone: Science & Engineering, a journal of the International Ozone Association published by Taylor & Francis. He was the Director of the Chemical and Environmental Engineering Portfolio at Swansea University. Tizaoui has led many research projects funded by research councils, industry, and government funding. With a track record of over 130 papers, he has extensively published peer-reviewed scientific articles in leading water, environmental, and chemical engineering research journals, book chapters, and conferences, and authored numerous professional reports. Tizaoui is a recipient of the Harvey Rosen Award in recognition of his work on ozone application for tackling SARS-CoV-2.