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Table 5 Kinetic parameters and constants

From: Characterization of pulverized Marula seed husk and its potential for the sequestration of methylene blue from aqueous solution

Parameter

1.25 g/L

2.5 g/L

Pseudo first order

 R2

0.95

0.79

 qe

4.86

2.65

 K1

0.0193

0.0298

Pseudo second order

 R2

1.00

0.999

 qe

6.15

30.03

 K2

0.56

0.01

Elovich

 R2

0.91

0.87

 β

0.717

6.23

 α

10.13

65.57