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Bioresources and Bioprocessing

Table 2 Estimates of H, O, O/C and H/C atomic ratios of pigeonpea and maize biochar

From: Harnessing the potential of pigeonpea and maize feedstock biochar for carbon sequestration, energy generation, and environmental sustainability

 

Hydrogen

Oxygen

H/C

O/C

PPB 400

4.74 ± 0.34

28.34 ± 2.06

0.07

0.39

PPB 500

4.72 ± 0.30

28.14 ± 1.79

0.06

0.37

PPB 600

4.71 ± 0.42

28.00 ± 2.50

0.06

0.35

MB 400

3.74 ± 0.26

22.57 ± 1.57

0.05

0.30

MB 500

3.71 ± 0.11

22.28 ± 0.65

0.04

0.27

MB 600

3.69 ± 0.26

21.92 ± 1.54

0.04

0.25

  1. Values are the mean ± standard error of mean
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