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Sequential treatment of olive oil mill wastewater with adsorption and biological and photo-Fenton oxidation |
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| Authors: | Pınar Aytar Serap Gedikli Mesut Sam Burhanettin Farizoğlu Ahmet Çabuk |
| Institution: | 1. Graduate School of Natural and Applied Sciences, Eski?ehir Osmangazi University, Eski?ehir, Turkey 2. Department of Biology, Faculty of Arts and Science, Aksaray University, Aksaray, Turkey 3. Environmental Engineering Department, Engineering Architecture Faculty, Bal?kesir University, Bal?kesir, Turkey 4. Department of Biology, Faculty of Arts and Science, Eski?ehir Osmangazi University, Eski?ehir, Turkey |
| Abstract: | Olive oil mill wastewater (OMWW), a recalcitrant pollutant, has features including high phenolic content and dark color; thereby, several chemical or physical treatments or biological processes were not able to remediate it. In this study, the treatment efficiencies of three treatments, including adsorption, biological application, and photo-Fenton oxidation were sequentially evaluated for OMWW. Adsorption, biological treatment, and photo-Fenton caused decreasing phenolic contents of 48.69 %, 59.40 %, and 95 %, respectively. However, after three sequential treatments were performed, higher reduction percentages in phenolic (total 99 %) and organic contents (90 %) were observed. Although the studied fungus has not induced significant color reduction, photo-Fenton oxidation was considered to be an attractive solution, especially for color reduction. Besides, toxicity of OMWW treatment was significantly reduced. |
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