Use of a New Bio-flocculent Extracted from Moroccan Cactus in the Treatment of Polyphenol-laden Waste by the Flocculation Coagulation Process
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Laboratory of Biotechnology, Environment, Agrifood and Health, Faculty of Sciences Dhar El Mahraz, Sidi Mohammed Ben Abdelah University, Fez, Morocco
Engineering, Electrochemistry, Modelling and Environment Laboratory, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdelah University, Fez, Morocco
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Ibtissame El Mansouri   

Laboratory of Biotechnology, Environment, Agri-Food and Health, University of Sidi Mohamed Ben Abdellah, Faculty of Sciences of Fez, Morocco
Ecol. Eng. Environ. Technol. 2023; 5:51-62
Olive cultivation is currently the subject of great exposure (Ministry of Agriculture and Maritime Fishing, 2015), and as a consequence of the implementation of the national olive cultivation development programme, an area of 1,220,000 ha (+ 120%) and a total olive production of 2,500,000 tonnes/year (+ 70%) are among the objectives of the Green Morocco Plan by 2020. The olive sector has experienced a very important movement in the context of the 2017-2018 campaign, which Morocco should record a volume never reached before, with a production record estimated at 1.56 million tons, the production of this campaign shows an increase of 47.8% compared to the previous season. In this work, we determined the efficiency of a new biodegradable natural flocculant extracted from the prickly pear Opuntia ficus indica in a physico-chemical process by coagulation-flocculation, to treat liquid discharges loaded with organic matter and phenols difficult to degrade. The tests were carried out on six well-preserved samples subjected to increasing concentrations of coagulant and flocculant after adjustment of the pH. The results obtained are very encouraging for this type of physico-chemical treatment and work is still in progress until there is a significant improvement in the rate of abatement of the pollutant load.
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