Abstract
Mesoporous silica materials (MCM-41-SF) are hydrothermally synthesized using cetyltrimethylammonium bromide as the template agent and silica fume as the silica source. The structure and morphology of the ordered mesoporous silica materials are quantitatively investigated by X-ray diffraction, N2 sorption/desorption, scanning electron microscopy and transmission electron microscopy analyses. The as-synthesized materials are used to remove Cu2+ from an aqueous solution. The as-synthesized MCM-41-SF has a large specific surface area of about 730m2/g, and a good adsorption capacity for copper ion. The results indicate the feasibility of employing silica fume as a potential silica source for producing mesoporous silica materials.
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