Table 3. Kinetic Parameters in Adsorption Studies Using MB 0.0156–0.0781 mol/m³, DA 0.00001 kg, pH = 8, T = 298 K, Adsorption Capacity at Equilibrium q_e (mol/kg), Pseudo-first-order Rate Constant k₁ (min^–1), Pseudo-second-order Rate Constant k₂ (kg/mol min), and Coefficient of Correlation R².

	pseudo first order			pseudo second order
C0 (mol/m3)	qe (mol/kg)	k1 (min–1)	R2	qe (mol/kg)	k2 (kg/mol min)	R2
0.0156	0.0211	0.015	0.9810	0.0535	1.1279	0.9974
0.0312	0.0413	0.016	0.9796	0.1120	0.6014	0.9978
0.0468	0.0630	0.015	0.9862	0.1671	0.3608	0.9971
0.0625	0.0725	0.016	0.9824	0.2350	0.3692	0.9987
0.0781	0.0782	0.016	0.9846	0.3095	0.3631	0.9992