Table 4.

Kinetic constants and parameters for PO₄³⁻ adsorption by ZIF-67

C0 [mg/L]	qe, exp [mg/g]	Pseudo- first order			Pseudo- second order			Intra-particle diffusion
		qe,cal [mg/g]	K1 [min−1]	R2	qe,cal [mg/g]	K2 [min−1]	R2	Kp [mg/g. min-0.5]	R2
10	20.1	5.24	0.04	0.74	19.88	0.03	0.99	0.48	0.89
20	39.1	10.1	0.04	0.96	39.2	0.01	0.99	1.21	0.99
30	54.96	38.85	0.09	0.85	56.9	0.006	0.99	2.41	0.98