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Table 4

Fitted kinetic parameter for the adsorption of RB onto MgO-MnO₂-AC

C₀/mg·L⁻¹	q_{e, exp}/mg·g⁻¹	Pseudo-first-order			Pseudo-second-order
C₀/mg·L⁻¹	q_{e, exp}/mg·g⁻¹	q_e, _cal/mg·g⁻¹	k₁/min⁻¹	R²	q_{e, cal}/mg·g⁻¹	k₂/g·(mg·min)⁻¹	R²
10	3.26	0.581	0.0076	0.9242	3.344	0.0330	0.9999
50	16.19	9.012	0.0077	0.9793	17.132	0.0016	0.9988
100	30.30	33.903	0.0105	0.7631	31.959	0.0007	0.9883

C₀/mg·L⁻¹	q_{e, exp}/mg·g⁻¹	Pseudo-first-order			Pseudo-second-order
C₀/mg·L⁻¹	q_{e, exp}/mg·g⁻¹	q_e, _cal/mg·g⁻¹	k₁/min⁻¹	R²	q_{e, cal}/mg·g⁻¹	k₂/g·(mg·min)⁻¹	R²
10	3.26	0.581	0.0076	0.9242	3.344	0.0330	0.9999
50	16.19	9.012	0.0077	0.9793	17.132	0.0016	0.9988
100	30.30	33.903	0.0105	0.7631	31.959	0.0007	0.9883