Table 3. Kinetic Parameters of the Pseudo-Second-Order and the Pseudo-First-Order Models of MCNs for Hg(II).

		pseudo-first-order			pseudo-second-order
kinetic models	qe,exp (mg/g)	Qe (mg/g)	K1 (1/min)	R2	qe (mg/g)	K2 (g/(mg·min))	R2
MCN1	0.5094	0.0023	6.058	0.1599	0.5088	0.3034	0.99999
MCN2	0.5169	0.0163	4.1168	0.0672	0.5052	0.3499	0.99999
MCN3	0.4730	0.0363	3.3159	0.7493	0.4749	9.0147	0.99996
MCN4	0.5002	0.0046	5.37612	0.1473	0.4907	2.3255	0.99976