Table 3 Pseudo-first-order kinetic and pseudo-second-order kinetic parameters for Cd(II) adsorption by MBBC0.75M and PBBC.

From: Preparation of porous biochar from fusarium wilt-infected banana straw for remediation of cadmium pollution in water bodies

Samples

Pseudo-first-order model

Pseudo-second-order model

qe, exp

k1

qe, cal

r

χ2

RMSE

k2

qe, cal

r

χ2

RMSE

MBBC0.75M

109.8

0.4376

95.25

0.8803

8.98

11.47

0.0055

106.56

0.9528

3.88

7.93

PBBC

69.2

0.3485

60.26

0.8774

8.78

8.00

0.0072

67.76

0.9202

4.80

3.31

  1. PBBC—pristine banana straw biochar, MBBC0.75M—0.75 M KOH modified banana straw biochar. qe, exp (mg g−1): experimental adsorption quantity. qe, cal (mg g−1): calculated adsorption quantity. k1 (mg g−1 min−1) and k2 (g mg−1 min−1): adsorption rate constant.
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