Adsorptive Removal of Methylene Blue and Crystal Violet onto Micro-Mesoporous Zr₃O/Activated Carbon Composite: A Joint Experimental and Statistical Modeling Considerations

Table 3

PFO and PSO fitting kinetic parameters of the experimental data.

	Cintial (mg/L)	Qe,exp (mg/g)	PFO			PSO
			Qe,cal (mg/g)	K1 (min^−1)	R^2	Qe,cal (mg/g)	K2 (g/mg·min)	R^2
MB	80	125.000	0.752	0.005	0.054	125.000	0.128	0.999
	100	155.035	1.553	0.014	0.087	156.250	0.102	0.999
	150	228.507	2.837	0.032	0.163	227.273	0.022	0.999
	200	296.937	4.871	0.046	0.234	294.118	0.010	0.999
CV	80	125.000	0.760	0.005	0.049	125.000	0.107	0.999
	100	155.078	1.774	0.018	0.087	156.250	0.046	0.999
	150	232.510	2.355	0.026	0.156	232.558	0.031	0.999
	200	307.002	3.286	0.036	0.165	312.500	0.013	0.999