Table 2 Parameters in adsorption kinetic equation of OTC onto Fe-MCM-41-A.

From: Fabrication of the magnetic mesoporous silica Fe-MCM-41-A as efficient adsorbent: performance, kinetics and mechanism

Kinetic model

Equation

Parameters

Value

Pseudo-first-order

log(qe − qt) = logqe − k1/2.303t

k1 (min−1)

0.1011

qe (mg g−1)

30.49

R2

0.9792

Pseudo-second-order

(t/qt) = 1/(k2qe) + 1/qe(t)

k2 (g mg−1 min−1)

1.6531

qe (mg g−1)

197.94

R2

0.9998