Journal
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
Volume 95, Issue -, Pages 60-68Publisher
ELSEVIER
DOI: 10.1016/j.psep.2015.02.001
Keywords
Grey wastewater; Electro-Fenton process; COD removal; TSS removal; Optimization; Validation
Categories
Funding
- University Grant Commission, Government of India [39-853/2010 (SR)]
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In this present study, grey wastewater was treated using Electro-Fenton (E-Fenton) process. The aim of this research was to optimize the operating parameters in E-Fenton process such as current density, H2O2/Fe2+ molar ratio, electrode distance and initial pH for the removal of chemical oxygen demand (COD) and total suspended solids (TSS) from grey wastewater using response surface methodology (RSM). Four factors three levels Box-Behnken response surface design (BBD) was used for the optimization of process parameters. Mathematical models were developed with high coefficient determination values and the numerical optimization method was used for optimization. Under the optimum conditions such as current density of 10 mA cm(-2), H2O2/Fe2+ molar ratio of 0.70, treatment time of 14 thin and pH of 4 shows 90% of COD removal and 85% of TSS removal. (C) 2015 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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