Abstract

In this work, pitch/activated carbon/<TEX>$TiO_2$</TEX> composite were prepared by <TEX>$CCl_4$</TEX> solvent method with different mixing ratios. The BET surface area of pitch/activated carbon/<TEX>$TiO_2$</TEX> composite has a significantly increase with increasing activated carbon content in pitch/activated carbon/<TEX>$TiO_2$</TEX> composite. The surface structure and elemental compositions of the composite were studied by SEM and EDX, respectively. The SEM results were presented to the characterization of porous texture on the pitch/activated carbon/<TEX>$TiO_2$</TEX> composite. And EDX data was shown the presence of C, O, S, Ti and other elements. The structural properties of the composite were studied in XRD measurements. The <TEX>$TiO_2$</TEX> crystal phases of the pitch/activated carbon/<TEX>$TiO_2$</TEX> composite had lots of rutile-type structure which transforms from anatase-type with a little of anatase-type structure. The photocatalytic activities of the composite were evaluated using a photo-decomposition method under UV lamp. The pitch/activated carbon/<TEX>$TiO_2$</TEX> composites were observed better photocatalytic activity than that of pristine <TEX>$TiO_2$</TEX>.