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Comparison of kinetics and costs of Fenton and photo-Fenton processes used for the treatment of a textile industry wastewater by Çağla Çalık; Deniz İzlen Çifçi is a Environmental Science article available to read on EtoBox.

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In this study, the treatment of textile industrial wastewater by Fenton and Photo-Fenton oxidation processes was investigated. For this purpose, the pH, Fe and HO concentrations with the best organic matter and color removal were determined in the Fenton process and comparison with Fenton was made by Photo-Fenton oxidation at the optimal Fe/HO ratio. The influent COD and TOC values of the wastewater used in the study were 848 mg/L and 253 mg/L, respectively. With the Fenton process, the best organic matter and color removal was obtained at pH 3, at 200 mg/L Fe and 300 mg/L HO concentrations. Under these conditions, 88.9% COD, 84.2% TOC and over 97% color removal were obtained with Fenton oxidation, and 93.2% COD, 88.9% TOC and 98% color were obtained with Photo-Fenton oxidation. However, when Fe and HO amounts were reduced to 50 mg/L and 75 mg/L, both organic matter and color removal were reduced with Fenton process, while higher organic matter removal and color removal were achieved with Photo-Fenton process. The total cost was changed between 9.56-16.88 €/m and 13.46-20.13 €/m with Fenton and Photo-Fenton oxidation process for all Fe/HO ratios, respectively. With the Photo-Fenton

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Author

Çağla Çalık; Deniz İzlen Çifçi

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Environmental Science (Physical Sciences)