Journal
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
Volume 48, Issue 7, Pages 9159-9169Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s13369-022-07164-y
Keywords
Electro-Fenton; Heavy alcohol; Statistical analysis; Treatment; Wastewater
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The electro-Fenton process is an effective technique for reducing the COD of petrochemical alcoholic wastewater. The optimal conditions for COD removal (81.70%) were determined experimentally, including a pH of 4.62, reaction time of 61.81 min, H2O2 to wastewater volume ratio of 1.52 ml/l, H2O2/Fe2+ molar ratio of 3.17, and current density of 68.17 mA/cm(2).
Petrochemical alcoholic wastewater is one of the most pollutant and toxic wastewaters and its treatment has always been associated with a lot of problems for the petrochemical industry. Electro-Fenton process as an efficient technique can be applied to reduce the chemical oxygen demand of an alcoholic effluent prepared by 2-Ethylhexanol (2EH) unit. The Box-Behnken module was used to design the experiments and then evaluate the effect of various parameters during the treatment. The optimum conditions (81.70% for COD removal) were experimentally found at pH of 4.62, reaction time of 61.81 (min), volume ratio of H2O2 to wastewater of 1.52 (ml/l), H2O2/Fe2+ molar ratio of 3.17 and current density 68.17 (mA/cm(2)).
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