Publication: Treatment of olive mill wastewater using physico-chemical and Fenton processes
Date
Authors
Kılıç, Melike Yalili
Kestioglu, Kadir
Authors
Madani, Mohammad
Aliabadi, Majid
Nasernejad, Bahram
Abdulrahman, Ribwar Kermanj
Advisor
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Desalination
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Abstract
In this study, treatability of olive mill wastewater (OMW) by acid cracking, chemical coagulation, and Fenton process was investigated. Various coagulants, such as alum, ferric chloride, ferrous sulfate, and bentonite were examined in chemical coagulation process and the chemical oxygen demand (COD), total phenols, color, and aromaticity were determined. The removal of COD, color, total phenols, and aromaticity in acid cracking were 47, 63, 30, and 57%, respectively. The pH, iron-salt, and hydrogen peroxide dosage were found to significantly affect the efficiencies of Fenton process and acidic pH conditions were the most effective. Acid cracking and Fenton process showed high efficiency of COD (83%), total phenols (98.6%), color (77%), and aromaticity (67%) removal from the OMW. As a result of this study, acid cracking and Fenton process have a significant effect in reducing the COD and total phenols from OMW.
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Keywords
Engineering, Water resources, Acid cracking, Coagulation, Fenton process, Olive mill wastewater, Oxidation, Reagent, Degradation, Wastewaters, Effluent, Impact
Citation
Madani, M. vd. (2015). "Treatment of olive mill wastewater using physico-chemical and Fenton processes". Desalination and Water Treatment, 53(8), 2031-2040.