Use of advance oxidation process to improve the biodegradability of olive oil mill effluents |
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Institution: | 1. College of Marine Science and Technology, Zhejiang Ocean University, Zhoushan 316000, China;2. College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China;3. Marine Fisheries Research Institute of Zhejiang Province, Zhoushan 316000, China |
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Abstract: | In this study, recalcitrant total phenol (TPh) and organic matter removal were investigated at olive mill wastewater (OMW) in sequential Coagulation and Fenton system. This study focused on different operational parameters such as pH, H2O2, and Fe2+ dosages, and Fe2+]/H2O2] ratios. The optimum conditions were determined as; pH = 3; Fe2+] = 2.5 g/L; Fe2+]/H2O2] = 2.5. A higher treatment efficiency was achieved at sequential Coagulation and Fenton system (COD, 65.5%) and TPh, 87.2%), compared to coagulation process (COD, 51.4%; total organic carbon (TOC), 38.6% and total nitrogen (TN) 52.1%). This study demonstrated that the Coagulation and Fenton process has a potential for efficient removal of phenolic pollutants from wastewater. |
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Keywords: | Olive mill Coagulation Fenton Phenol Advanced oxidation |
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