Study of the Paranitrophenol Adsorption on the Commercial Bentonite
Abstract
This work focuses on the study of the behavior of commercial yellow bentonite (BTJ) vis-a-vis paranitrophenol (PNP). Before beginning the study of adsorption, we realized the physiquo-chemical characterization of clay by FTIR, BET and XRD technical. The surface area of the bentonite is calculated by BET 35 m2/g. The adsorption of para-nitrophenol is carried out at room temperature and at a controlled pH. The kinetic study showed that the equilibrium time is 5h. The kinetic model was a pseudo second order. Adsorption isotherm was the Langmuir model. The adsorption capacity was about 0.37 mg / g.
Keywords: Yelow bentonite, paranitorphénol, adsorption, optimisation.
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ISSN (Paper)2224-3216 ISSN (Online)2225-0948
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