화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.18, No.3, 1058-1062, May, 2012
DOI10.1016/j.jiec.2011.12.007  Export Citation
Decolorization of antraquinonic dye, Reactive Blue 114 from synthetic wastewater by Fenton process: Kinetics and thermodynamics
Mustafa Karatas†, Yusuf Alparslan Argun1, and Mehmet Emin Argun2
  • Engineering Faculty, Department of Environmental Engineering, Aksaray University, 68100 Aksaray, Turkey
  • 1Institute of Science, Department of Environmental Engineering, Aksaray University, 68100 Aksaray, Turkey
  • 2Engineering & Architecture Faculty, Department of Environmental Engineering, Selcuk University, 42003 Konya, Turkey
E-mail:
In this work, the decolorization of C.I. Reactive Blue 114 (RB114), a commercially important anthraquinonic dye, by Fenton processes was investigated. The effects of operating parameters, such as Fe2+:H2O2 ratio, pH value, reaction time and temperature were examined. Maximum decolorization(86%) efficiencies were achieved at the Fe2+:H2O2 ratio of 0.1 and pH 3 for 20 min reaction time. The decolorization kinetic of RB114 followed pseudo-second-order reaction kinetic. The paper also discussed thermodynamic parameters including changes in Gibbs free energy, and activation energy for the decolorization of RB114 by Fenton and exposed that the oxidation process was spontaneous under natural conditions.
Keywords:Fenton process;Reactive Blue 114;Decolorization;Kinetics;Thermodynamics
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