Kinetic model

Parameters

500 mg/L

Pseudo-first-order model

k1 (g/mg min)

8.08 × 10−3

qe (mg/g)

158.11

R2

0.8945

Pseudo-second-order model

k 2 (g/mg min)

3.23 × 10−4

qe (mg/g)

993.13

R2

0.9998

Intra-particle diffusion model

kid1 (g/mg min1/2)

152.047

C (mg/g)

284.23

R2

0.9793

kid2 (g/mg min1/2)

2.88

C (mg/g)

914.05

R 2

0.7376