Table 2

Experimental parameters		Experimental results			Pseudo-first order model			Experimental results			Pseudo-first order model
		CR						BP4B
		ADS / %	PCD /%	k_app /min^-1		t_1/2 /min	R²/%	ADS/%	PCD/%	k_app/min^-1		t_1/2/min	R² /%
Catalyst amount ZnO/g/L	0.25	8.93	68.73	0.030		23.105	82.6	38.31	46.29	0.014		49.511	46.1
	0.5	10.50	95.02	0.041		16.906	88.1	2.34	64.21	0.018		38.508	68.4
	1	33.59	83.80	0.037		18.734	93.0	3.89	97.24	0.026		26.456	95.6
	2	41.98	85.45	0.040		17.329	79.0	35.54	95.26	0.037		18.734	96.7
	3	53.40	92.68	0.048		14.441	93.0	60.85	86.97	0.026		26.660	96.2

R²: Regression coefficient, ADS: Adsorption and PCD: Photocatalytic degradation

Table 2: Kinetic parameters of photocatalytic degradation of dyes in aqueous solution as a function of amount of photocatalyst ([CR]=[BP4B]=20mg/L, pH =8 T=298K, λ_max=365 nm and I=90j/cm².