Table 2 Parameters from kinetic treatment of data for the adsorption of MB onto the zinc oxide-doped activated carbon nanocomposite.

From: Aqueous phase adsorption of phenothiazine derivative onto zinc oxide doped activated carbon

Kinetic models

Parameters

Values

Pseudo-first-order

k1 (min−1)

0.0313

Qe,cal (mg/g)

40.1051

R2

0.9658

Pseudo-second-order

k2 (g/mg/min)

0.0016

Qe,cal (mg/g)

237.719

R2

0.9991

Elovich

β (g min/mg)

0.1169

αE (g min2/mg)

14.2958

R2

0.9793