Table 2 Parameters obtained from kinetic equations for the removal of Cu2+ ions using CG/TiO2 5 wt%.

From: In situ synthesis of TiO2 nanofiller in preparation of carrageenan-based nanocomposites and its application in the adsorption of copper(ІI) from aqueous solution

Kinetic model

Parameters

 

Pseudo-second order

kad (g mg− 1 min− 1)

2.54 × 10− 3

qe (mg− 1 g− 1)

16.97

R2

0.9861

Elovich

β (mg g− 1 min− 1/2)

0.1619

R2

0.9229

Intra-particle diffusion

kintra (mg g− 1 min− 1/2)

1.667

C

− 1.44

R2

0.8768

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