Table 1 Constants and correlation coefficients of pseudo-first order and pseudo-second order kinetic models for adsorption of vanadium (V) and chromium (III) with melamine.

From: Step-Adsorption of Vanadium (V) and Chromium (VI) in the Leaching Solution with Melamine

 

Pseudo-first-model

Pseudo-second-model

Qe (mg/g)

k1 (min−1)

R2

Qe (mg/g)

k2 (g/mg/min)

R2

Vanadium

59874

0.05033

0.9815

9865

2.99 exp (12)

0.9998

Chromium

19930

0.01328

0.9788

228.3

6.76 exp (5)

0.9543