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

Figure 11

Photocatalytic degradation of OA with coated, calcined Liapor. (a) Different grain sizes (1–4 mm, 4–8 mm, and 8–16 mm).(b) Used for the first, second, and third time.

(a)

(b)