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Environmental Systems Research

Table 3 Kinetics parameters obtained from the graph

From: Adsorptive removal of malachite green dye from aqueous solution onto activated carbon of Catha edulis stem as a low cost bio-adsorbent

Kinetics model

qe experimental

qe calculated

R2

K constant

Pseudo 1st

0.988

0.9035

0.9406

− 0.02735

Pseudo 2nd

0.988

1.09

0.99684

2.99

Interparticle diffusion model

0.988

0.395

0.9934

0.08017

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