Author:
Mohammed A. E,Hamed H H,Alabdraba W M Sh,Ali O M
Abstract
Abstract
Nowadays, one of the major problems that can face humankind is the water pollution. In this regard, making this natural resource a fresh and unpolluted is a major social and economic concern. However, a great attention has been given for the removal of organic pollutants discharged within wastewater by using advanced oxidation processes (AOPs) based on generation hydroxyl radicals. Among these, Ozone-Fenton (O3/H2O2/Fe2+) process used in this study as AOPs to remove chemical oxygen demand (COD) from Disperse Blue 79 (DB 79) dye in wastewater. Also, the effect of various experimental parameters such as ozone mass flow rate, mole ratio (mole H2O2/mole Fe2+), and reaction time on the COD removal efficiency of DB 79 were studied with constant initial concentration 60 mg/L of DB 79. Based on the results obtained in this study, the maximum COD removal efficiency was 85% achieved at optimum operating parameters are 288 mg/L. h ozone mass flow rate, 33.53 mole ratio (150 mg/L H2O2, 20 mg/L Fe2+), and 60 min reaction time. All Ozone-Fenton experiments were performed using Jar test apparatus at room temperature (23°C ∓ 2) and atmospheric pressure (1 atm). Finally, Ozone-Fenton offered an effective solution as AOPs for degrading pollutant especially DB 79 discharged within wastewater from various industrial processes.
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