Adsorptive Desulfurization of Organic Sulfur from Model Fuels by Active Carbon Supported Mn (II): Equilibrium, Kinetics, and Thermodynamics

Table 3

Nonlinear fitting parameters of three adsorption kinetic models (PFO, PSO, and MPnO) at different adsorption c₀ (6.25, 12.50, and 18.75 mmol·L⁻¹).

	Model oils (mmol L^−1)
	6.25	12.50	18.75
PFO
^bk1	0.030	0.022	0.025
^dqe	0.271	0.487	0.615
R^2	0.976	0.971	0.989
RMSE	0.013	0.025	0.020
AICc	−141.234	−117.815	−125.417
PSO
^ck2	0.112	0.041	0.039
^dqe	0.318	0.592	0.738
R^2	0.994	0.992	0.996
RMSE	0.006	0.013	0.012
AICc	−165.267	−139.356	−141.155
MPnO
^ekn	0.021	0.008	0.014
^dqe	0.289	0.555	0.642
N	1.704	1.766	1.435
R^2	0.998	0.997	0.998
RMSE	0.003	0.008	0.008
AICc	−181.398	−151.128	−153.326

^a(mmol L⁻¹), ^b(min⁻¹), ^c(g mmol⁻¹ min⁻¹), ^d(mmol g⁻¹), ^e(mmol g⁻¹) [1−n] min⁻¹.