Table 1.

Comparison of kinetic parameters between the pseudo-first-order and pseudo-second-order models for Cr(VI) adsorption with PVDF–2GO@GO ENFM.

Model	Parameters	Values
Pseudo-first-order	qe (mg·g−1)	68.23
	k1 (min−1)	0.3830
	R2	0.9802
Pseudo-second-order	qe (mg·g−1)	99.21
	k2 (g·mg−1·min−1)	1.8314 × 10−4
	R2	0.9927