Efficiency Evaluation of Microwave-Enhanced Fenton Process in Dye Removal from Wastewater
Document Type : Research Paper
Authors
- Assist. Professor, Department of Civil Engineering, Faculty of Engineering, University of Birjand, Birjand, Iran
Abstract
In response to the increasing color pollution in industrial wastewaters and the need for effective treatment methods, this research investigates the application of the Fenton and microwave-enhanced Fenton processes for color removal. The aim of this study is to compare the effectiveness of these two processes and to identify the optimal conditions for the maximum removal of color pollutants. This study evaluates the efficiency of the Fenton and microwave-enhanced Fenton processes in dye removal from wastewater. To examine the impact of parameters such as pH, dye concentration, Fe2+, and H2O2 on the efficiency of removing the Reactive Red 198 dye and COD, these variables were altered during the experiments. The mechanism of dye molecule removal was analyzed through UV-Vis spectroscopy. The optimal conditions for the microwave-enhanced Fenton process included an initial dye concentration of 300 mg/l, a pH of 3.5, an Fe2+ concentration of 20 mg/l, and an H2O2 concentration of 100 mg/l. Under these conditions, a COD reduction of up to 85% and dye removal of over 98% were observed. The findings suggest that the microwave-enhanced Fenton process can effectively reduce color pollutants and improve the quality of industrial wastewater. This method offers high reaction speed and remarkable efficiency under various treatment conditions, making it a suitable solution for treating wastewater with high dye loads.
Keywords
Subjects
environment
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