Abstract
For CTMAB-bentonite, bentonite and cetyltrimethyl ammonium bromide (CTMAB) were used as starting materials. The adsorbent was characterized by X-ray diffraction (XRD) and Fourier transform infrared (FTIR). According to the results of XRD and FTIR, it can be concluded that CTMAB has intercalated into bentonite inter-layer. Also, the adsorption of DEP onto CTMAB-bentonite has been investigated in the present work. The results of the adsorption experiments show that more than 82% DEP can be removed at the optimum conditions, which indicate that CTMAB-bentonite is an excellent adsorbent for the removal of DEP.
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