higher than for the corresponding TiO2 samples. This may
be due to the effect of MB adsorption by MPS and better
dispersion of the TiO2 particles in the composites. To
summarize, it is clear that the composites show greatly
enhanced removal of MB compared with the corresponding
TiO2, especially in the case of composite S/M.
Direct UV illuminated experiments were performed to
evaluate the total MB removal ability of the composites
and the synergistic effect of adsorption by the MPS and
photodecomposition by the TiO2. The MB concentration is
shown in Fig. 8 as a function of UV illumination time and