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Vol. 26 No. 20 (2014)

Copyright (c) 2014 Özlem Selçuk Kusçu*, Yasemin Kaplan

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Effect of Pulsed High-Voltage Discharge Process Combined with H2O2 and Fe2+ on Degradation of Phenol

https://doi.org/10.14233/ajchem.2014.17672
Özlem Selçuk Kusçu*
Department of Environmental Engineering, Faculty of Engineering, Suleyman Demirel University, 32260 Isparta, Turkey *Corresponding author: Fax: +90 246 2370859; Tel: +90 246 2111288; E-mail: ozlemkuscu@sdu.edu.tr
Yasemin Kaplan
Department of Environmental Engineering, Faculty of Engineering, Suleyman Demirel University, 32260 Isparta, Turkey *Corresponding author: Fax: +90 246 2370859; Tel: +90 246 2111288; E-mail: ozlemkuscu@sdu.edu.tr

Corresponding Author(s) : Özlem Selçuk Kusçu*

Asian Journal of Chemistry, Vol. 26 No. 20 (2014)

Abstract

Degradation of phenol by pulsed high-voltage discharge is presented in this study. The effect of pulsed peak voltage, pH, temperature, conductivity, discharge gap, treatment time and phenol concentration on phenol degradation were investigated. In addition, the effect of ferrous(II) and hydrogen peroxide on pulsed high-voltage discharge process was evaluated. Experimental data show that the removal efficiency of phenol increased as the pulsed peak voltage, pH, temperature and treatment time increased and discharge gap and conductivity of solution decreased. The removal efficiency of phenol was 48, 46, 42 and 34 %, respectively at 10, 40, 90 and 160 ppm phenol solutions. The experiments were performed under discharge gap of 20 mm, an applied voltage of 24 kV, a solution pH of 10, a solution temperature of 30 ºC and a solution conductivity of 120 μS/cm. The degradation rate of phenol increased dramatically when Fe2+ and H2O2 were added into the solution. The removal efficiency of phenol reached 78, 72 and 71 % when 0.28-0.56 mM Fe2+ were added into phenol solutions of 40, 90 and 160 ppm, respectively. 100 % phenol removal efficiency was achieved when 20-40 mM H2O2 was added into phenol solutions of 10, 40, 90 and 160 ppm.

Keywords

Degradation Ferrous ion Hydrogen peroxide Phenol Pulsed high-voltage.
Selçuk Kusçu*, Özlem, & Kaplan, Y. (2014). Effect of Pulsed High-Voltage Discharge Process Combined with H2O2 and Fe2+ on Degradation of Phenol. Asian Journal of Chemistry, 26(20), 6997–7005. https://doi.org/10.14233/ajchem.2014.17672
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