Considering the slight degradation ofMOunderUVlight, the
PCD processes of pureMOand raw zeolites had been measured.
During the calculation process of k1 and R0, mordenite were
treated as the fundi of the PCD curves of TiO2–mordenite, and
the curves of MO were treated as the fundi of the PCD curves
of pure TiO2, respectively. Thus, the base degradation effects
could be eliminated.