The main goal of this research, was the preparation and use of a organophilic smectitic clay able to promoting the adsorption of phenol. In this work was used a natural, clay called Chocolate, from Campina Grande - PB (Brazil). The natural clay was treated with a solution of sodium, carbonate. After this the sodium clay was treated with quaternary ammonium salt. The adsorptive study was conducted by different values of pH and. temperature. The results showed a better performance in adsorptive at pH 7 and temperature 30 °C, with removal of more than 80% of phenol.
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Cavalcanti, J. V. F. L., De Abru, Ć. A. M., Da Motta Sobrinho, M. A., Baraúna, O. S. B., & Portela, L. A. P. (2009). Preparação e utilização de uma argila esmectítica organofílica como absorvente de fenol. Quimica Nova, 32(8), 2051–2057. https://doi.org/10.1590/S0100-40422009000800013