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Cactus Opuntia as natural flocculant for urban wastewater treatment.

Water Sci Technol

October 2017

Palaeo-Environment Geomaterials and Geological Threats, Faculty of Sciences of Tunis, A campus university 2092, El Manar Tunis, Tunisia E-mail: Faculty of Sciences of Tunis, Department of Geology, University Campus El Manar Tunis 2092 El Manar Tunis, Tunisia.

The cactus tree, species Opuntia ficus-indica, is a primary material of many products in various domains such as cosmetics, medicine and nutrition. In the present work, we assess its potential as a flocculant. We tried a technique which adopts three sequential treatments that used coagulation, flocculation and sedimentation processes under certain operating conditions.

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