. 2019 Jun 18;17(2):701–709. doi: 10.1007/s40201-019-00385-8

Table 2.

Calculated parameters of kinetic models for the chromium adsorption onto Uio-66 and ZIF-8

kinetics (Uio-66)	Parameters	Cr (VI) concentration (mg l⁻¹)		Kinetics (ZIF-8)	Parameters	Cr (VI) concentration (mg l⁻¹)
kinetics (Uio-66)	Parameters	50	80	Kinetics (ZIF-8)	Parameters	50	80
pseudo first order	k₁	0.0065	0.0111	pseudo first order	k₁	0.0065	0.0111
	R²	0.663	0.689		R²	0.7630	0.778
	q_cal	2.8730	20.9639		q_cal	2.8730	20.9639
pseudo second order	k₂	0.0566	0.0040	pseudo second order	k₂	0.0566	0.0040
	R²	0.987	0.978		R²	0.896	0.995
	q_{e (cal)}	27.6	54.6		q_{e (cal)}	58.6	120.6