Table 10 Kinetics parameters of MHC.

From: Adsorptive potential of hydrochar produced from avocado waste biomass for the sequestration of Alizarin red S dye from aquatic environment

Models

Parameters

Values

50 mg/L

100 mg/L

150 mg/L

200 mg/L

250 mg/L

qe, exp (mg/g)

50.73

99.63

146.75

189.35

226.17

PFO

k1 (min−1)

0.1303

0.09962

0.07765

0.06442

0.05429

qe, cal(mg/g)

49.29

99.96

149.1

198.5

244.7

R2

0.9215

0.9803

0.9447

0.9481

0.9259

SSE

11.41

20.27

194.2

449

1200

RMSE

1.689

2.251

6.968

10.59

17.32

PSO

k2 (g/mg.min)

0.004018

0.001174

0.0005008

0.0002578

0.0001513

qe, cal(mg/g)

54.3

115

179.4

250.6

322.9

R2

0.873

0.9382

0.9157

0.9082

0.8928

SSE

18.47

63.67

296.3

794.9

1750

RMSE

2.149

3.99

8.606

14.1

20.91

Elovich

α (mg/g)

148.3

58.53

38.18

30.94

28.22

Β (g/mg.min)

0.139

0.04945

0.02667

0.01698

0.01241

R2

0.7817

0.8714

0.8787

0.8794

0.88

SSE

31.74

132.5

426.2

1044

1943

RMSE

2.817

5.756

10.32

16.16

22.04

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