Moringa oleifera seed extract has been tested in removing surfactants from polluted surface water. River water has been polluted with sodium lauryl sulphate, a spread surfactant, and Jar-test have been carried out in order to evaluate the effciency of this natural coagulant agent inside a real surface water matrix. Effciency has demonstrated to be very high (maximum q of about 2.5 mmol·g−1) and a high surfactant removal is achieved rapidly. Coagulation process may be modelated through Gu and Zhu adsorption hypothesis, so an acceptable r2 coeffcient is obtained (0.94).

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