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. 2021 Aug 11;6(33):21563–21570. doi: 10.1021/acsomega.1c02590

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
a

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).