Photocatalytic Degradation of Methylene Blue and Antibacterial Activity of Mesoporous TiO₂-SBA-15 Nanocomposite Based on Rice Husk

Table 2

Chemical oxygen demand (COD) decline of MB with respect to time over the 10 wt% TiO₂-SBA-15 nanocomposite.

Physicochemical parameters	Prephotocatalytic degradation	After dark for 30 min	Postphotocatalytic degradation after
			20 min	40 min	60 min	80 min	120 min
COD (mg/L)