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. 2017 Mar 28;5:18. doi: 10.3389/fchem.2017.00018

Table 3.

Pseudo-first-order and Pseudo-second-order adsorption kinetic constants and regression values of samples.

Adsorbent Pseudo-first-order equation Pseudo-second-order equation
Qe,exp (μmol g−1) Qe,c (μmol g−1) k1 (min−1) R2 Qe,c (μmol g−1) k2 (min−1) R2 H (μmol g−1 min−1) t1/2 (min)
MMIPs 124.93 112.2 0.068 0.869 117.05 9.6 × 10−4 0.948 13.2 8.89
MNIPs 62.24 55.88 0.077 0.864 58.05 23 × 10−4 0.930 7.47 6.95