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. 2023 Jul 9;17(1):71. doi: 10.1186/s13065-023-00982-7

Table 5.

Different parameters of the kinetic models

Item Kinetic models
Lagergren pseudo-first-order McKay & Ho pseudo-second-order
R2

0.9849

K1 = 0.023

Calculated qe = 38.3

0.9998

K2 = 0.002

Calculated qe = 82.1

Model parameter
Experimental qe = 81.0