Table 3. Effect of Catalyst Doses and Dye Concentration on MB and Rh-B Dye Degradation.

pollutant name	con. TDO NPs (mg)/dye (mg)	time (min)	deg. (%)	rate constant (k) min–1
MB	16.66	80	97.98	0.08546
	33.33	50	99.35	0.14263
	50.00	40	99.42	0.22911
	66.66	40	98.84	0.24252
	33.33	50	99.35	0.14263
	22.22	70	97.63	0.07227
Rh-B	16.66	80	97.09	0.12942
	33.33	60	99.28	0.22605
	50.00	40	98.12	0.35426
	66.66	40	98.44	0.34087
	33.33	60	99.28	0.22605
	22.22	90	96.54	0.15418