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Table 3

Kinetic parameters for adsorption of gentian violet on ZMLC

Variable concentration (mg/L)
Kinetic modelParameters600700800
Pseudo-first order R2 0.907 0.946 0.820 
SSE 0.033 0.036 1.000 
K1 −0.022 −0.023 −0.036 
Qe (mg/g) 0.061 0.070 0.0751 
Pseudo-second order R2 1.000 1.000 1.000 
SSE 1.7 × 10−4 6.5 × 10−4 9.8 × 10−4 
K2 (mg/g) −7.7 0.515 0.578 
Qe (mg/g) 9.990 11.68 13.35 
Reichenberg plot model R2 0.916 0.883 0.764 
SSE 0.152 0.571 0.682 
0.425 0.808 0.263 
K(1/min) 0.956 0.592 0.322 
Variable concentration (mg/L)
Kinetic modelParameters600700800
Pseudo-first order R2 0.907 0.946 0.820 
SSE 0.033 0.036 1.000 
K1 −0.022 −0.023 −0.036 
Qe (mg/g) 0.061 0.070 0.0751 
Pseudo-second order R2 1.000 1.000 1.000 
SSE 1.7 × 10−4 6.5 × 10−4 9.8 × 10−4 
K2 (mg/g) −7.7 0.515 0.578 
Qe (mg/g) 9.990 11.68 13.35 
Reichenberg plot model R2 0.916 0.883 0.764 
SSE 0.152 0.571 0.682 
0.425 0.808 0.263 
K(1/min) 0.956 0.592 0.322 
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