Calcination of the composites at 300 C resulted in mesoporoussilica that exhibited excellent Hg(II) adsorptionat pH 6.5, and the materials were characterized using FTIR, XRD, TGA-DTA, and SEM analyses.
The adsorption data best fitted the Langmuir isotherm; Qmaxfor the adsorbent was 113.63 mg·g-1