Decolorization and Mineralization of Remazol Red F3B by Fenton and Photo-Fenton Processes
Publication: Journal of Environmental Engineering
Volume 136, Issue 9
Abstract
Degradation of aqueous solutions of a commercial azo-reactive textile dye, Remazol Red F3B, by the Fenton and photo-Fenton processes, has been investigated. Fenton-type reaction rates are strongly dependent on pH, temperature, and initial concentrations of the , , and dye. The effects of varying these parameters on the degradation performances of these two processes have been studied, and the optimal operational conditions have been found. The optimal conditions for these processes were obtained at . A comparative study of the Fenton and photo-Fenton reactions has also been carried out using a photoreactor. The Fenton process is highly efficient for removal of the color, chemical oxygen demand, and total organic carbon of a Remazol Red F3B solution. The photo-Fenton process proved to be more efficient, and proceeds at a much higher oxidation rate than the Fenton process. The photo-Fenton process allows 90% degradation of chemical oxygen demand in about 20 min of reaction time.
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Information
Published In
Journal of Environmental Engineering
Volume 136 • Issue 9 • September 2010
Pages: 1000 - 1005
Copyright
© 2010 ASCE.
History
Received: May 7, 2009
Accepted: Jan 19, 2010
Published online: Jan 22, 2010
Published in print: Sep 2010
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