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Bioresources and Bioprocessing

Table 1 Elemental composition of CS, glucose and cellulose-derived hydrochars

From: Cotton stalk-derived hydrothermal carbon for methylene blue dye removal: investigation of the raw material plant tissues

Samples

Elemental composition (wt%)

Atomic ratio (at.)

C

H

O

N

O/C

H/C

CS-HTC

65.26

4.96

21.50

1.70

0.247

0.912

CS-H2SO4-HTC

63.25

4.45

23.60

0.99

0.280

0.844

CS-NaOH-HTC

59.65

4.35

25.19

0.38

0.317

0.875

CS-H2SO4 + NaOH-HTC

64.32

4.80

24.25

0.36

0.283

0.896

Glucose-HTC

60.26

4.05

26.25

ND

0.327

0.807

Cellulose-HTC

60.68

4.04

26.58

ND

0.329

0.799

  1. ND not detected
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