Table 5 Kinetic parameters for the adsorption MG onto nano bentonite and MgO impregnated clay.

From: Preparation and characterization of low-cost adsorbents for the efficient removal of malachite green using response surface modeling and reusability studies

Model

Kinetic parameter

Nano benonite

MgO-clay

Pseudo first-order

qe1 cal (mg/g)

2.4

1.01

K1 (min−1)

0.08

6.5

R2

0.975

0.91

Pseudo second-order

qe2. (mg/g)

0.398

0.00001

K2 (min−1)

0.016

0.003

R2

0.996

0.999

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