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Title: Mineralization of aqueous organic pollutants using a catalytic plasma reactor
Authors: Reddy, P Manoj Kumar
Mahammadunnisa, Sk
Subrahmanyam, Ch
Keywords: Catalyst;Dye degradation;Degradation;Dielectric barrier discharge reactor;Catalytic plasma reactor;Plasma reactor;Energy yield;Mineralization;Nonthermal plasma;Total organic carbon;Methyl orange;Iron oxide;Alumina
Issue Date: 19-Apr-2014
Abstract: Electrical discharges generated at water-gas interface in a dielectric barrier discharge reactor has been utilized for the degradation and mineralization of a model aqueous organic pollutant, viz., methyl orange. Mineralization of the dye is identified by an online infrared gas analyzer and confirmed by a total organic carbon analyzer. It has been observed that both degradation efficiency and mineralization of the dye increases on addition of modified alumina catalyst to the plasma reactor. On addition of FeOx/Al2O3 catalyst, the mineralization efficiency increases from 31% with plasma reactor alone to 38%. It has been observed that dye degradation followes first-order kinetics and degree of mineralization increases as a function of time with decreasing energy yield.
Page(s): 499-503
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.53A(04-05) [April-May 2014]

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