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4. Liquid phase auramine oxidation induced by plasma with glow discharge electrolysis

Author

Dong Yanjie and Gai Ke

Subjects
Glow discharge, Reaction mechanism, Electrolysis, Aqueous solution, Chemistry, Radical, Kinetics, Electrolyte, Condensed Matter Physics, Photochemistry, Anode, law.invention, law, Nuclear chemistry
Abstract

The oxidation of aqueous auramine induced by plasma that was locally generated between an electrolytic solution and an anode tip was investigated. Results indicated that the degradation rate can be considerably raised by prolonging the discharge time and increasing the pH value of the solution. Fe2+ shows an evident accelerated effect on the auramine elimination, while the presence of n-butanol inhibited the degradation, demonstrating that the hydroxyl radicals were the most responsible oxidants in the auramine degradation. The degradation obeys a first-order kinetics.

Published
2005

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