Pollutants: Aqueous Organic, Nonthermal Degradation

Authored by: P. Manoj Kumar Reddy , Ch. Subrahmanyam

Encyclopedia of Plasma Technology

Print publication date:  December  2016
Online publication date:  December  2016

Print ISBN: 9781466500594
eBook ISBN: 9781351204958
Adobe ISBN:

10.1081/E-EPLT-120051262

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Abstract

Electrical discharges generated at water–gas interfaces 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 the NTP process. In this study, on adding catalyst to plasma reactor, both degradation efficiency and mineralization of the pollutants 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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