Efficient Sunlight-Induced Methylene Blue Removal over One-Dimensional Mesoporous Monoclinic BiVO₄ Nanorods

Table 4

Degradation rates of the MB over the mesoporous BiVO₄ nanorods.

	Raw solution	1st use	2nd use	3rd use	4th use	5th use
Absorbance (a.u.)	2.981	0.006	0.012	0.009	0.009	0.012
Degradation ratio (%)		99.8	99.6	99.7	99.7	99.6