International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064




Downloads: 97

Research Paper | Water Treatment | Tunisia | Volume 9 Issue 7, July 2020


Catalytic Oxidation and Dephenolisation of Olive Mill Wastewater with Hypochlorite

Noussaiba Ayedi, Faouzi Bouachir


Abstract: Removal of toxicity of organic matter of raw olive mill wastewater (OMW) of the north of Tunisia was carried out by catalytic oxidation process, using a catalytic system the Fe (OH) 2/1, 10-phenanthroline (Fe (OH) 2/phen) and hypochlorite (OCl-). The physicochemical characterization of raw olive mill wastewater (OMW), reveal an acid pH 5.14, a high chemical oxygen demand (COD) (193.45 g O2 L-1) and total phenol content (8.99 g L-1). The efficiency of our catalytic oxidation process has been assessed by reducing the (COD), total phenol content and turbidity. The results showed 98 % removal of COD, 99.8 % elimination of total phenol content and 100 % elimination of turbidity. The effects of different operating conditions reagents concentration and temperature on the OMW oxidation efficiency were studied and evaluated. The treated effluent was subjected to a fast liming to reduce salinity (SALT) under (200 rpm for 5 min) optimal conditions (0.5 g L-1 of CaO), without any blackening of the treated OMW. SALT was decreased half of their initial values (from 49.3 ppt to 23 ppt).


Keywords: Olive oil mill wastewater, catalytic oxidation process, catalytic system


Edition: Volume 9 Issue 7, July 2020,


Pages: 1104 - 1110


How to Cite this Article?

Noussaiba Ayedi, Faouzi Bouachir, "Catalytic Oxidation and Dephenolisation of Olive Mill Wastewater with Hypochlorite", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=SR20703050705, Volume 9 Issue 7, July 2020, 1104 - 1110

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