Research Article

SiO2/TiO2 Composite Coating on Light Substrates for Photocatalytic Decontamination of Water

Table 2

Rate constants of 4-CP photocatalytic degradation and relative change of TOC after 6 hours of irradiation.

MaterialRate constant (10−5 s−1)TOC: relative change (%)

ScSorbix: coated1.7276.3
ScwSorbix: coated and washed0.5089.1
LcLiapor: coated7.8027.0
LcwLiapor: coated and washed6.2240.1
LccLiapor: coated and calcined8.5315.0
LccwLiapor: coated, calcined, and washed6.0837.2