Non-Thermal Plasma: Aqueous Organic Pollutant Degradation

Reddy, P M K and Ch, Subrahmanyam (2016) Non-Thermal Plasma: Aqueous Organic Pollutant Degradation. In: Encyclopedia of Plasma Technology. CRC Press, pp. 1-10. ISBN 9781466500594 (In Press)

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Abstract

Electrical discharges generated at water – gas interface in a nonthermal plasma (NTP) reactor were utilized for the degradation and mineralization of a model aqueous organic pollutant, methylene blue (MB). NTP- based advanced oxidation processes present a huge potential to remove contaminants from wastewater. The degradation of pollutants greatly depends on the active species generated during NTP process. In this study, on adding catalyst to plasma reactor, both degradation efficiency and mineralization of the pollu- tants increased. It was also observed that MB degradation followed the first-order kinetics and degree of mineralization increased as a function of time.

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