Table 4 Adsorption kinetics model analysis for BB41 and EBT dye.

From: The development of Giant reed biochar for adsorption of Basic Blue 41 and Eriochrome Black T. azo dyes from wastewater

Kinetics models

dyes

intercept

slope

qe (mg/g)

qe2

K1

K2

R2

Pseudo 1st order

BB41

-0.134

–0.0872

0.874

–

–0.00145

–

0.909

EBT

1.592

–0.0577

4.917

–

–0.00096

–

0.886

Pseudo 2nd order

BB41

0.0582

0.135

7.375

54.385

–

0.316

0.999

EBT

1.259

0.148

6.734

45.346

–

0.0175

0.990

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