Table 5. Constants and Correlation Coefficients of Pseudo-Second-Order Kinetic Models for Adsorption of Vanadium with GA (3.0)a.
temperature | qe (mg/g) | K | R2 |
---|---|---|---|
30 | 33.30 | 0.00014 | 0.9911 |
45 | 81.96 | 0.00017 | 0.9923 |
60 | 108.46 | 0.00029 | 0.9978 |
75 | 125.34 | 0.00034 | 0.9964 |
90 | 141.64 | 0.00108 | 0.9934 |
qe is the adsorption capacity at equilibrium, mg/g; qt is the adsorption capacity at time t, mg/g. K is the pseudo-second-order sorption model rate constant, g/(mg·min).