Table 1 Elemental composition by CHN analysis

From: Production and characterisation of adsorbents synthesised by hydrothermal carbonisation of biomass wastes

Element
(% wt.)
Raw biomass Hydrochar
ES RH LP CP CS ES RH LP CP CS
C 12.74 38.88 42.07 36.66 48.07 12.18 48.66 48.66 63.21 58.55
H 0.23 5.39 5.99 3.95 5.59 0.20 4.27 5.63 4.63 5.40
N 0.37 0.76 1.61 0.48 0.22 0.16 0.62 2.25 0.72 0.41
Oa 86.66 54.98 50.32 58.91 46.12 87.46 46.45 30.47 31.45 35.64
H/C 0.02 0.14 0.14 0.11 0.12 0.02 0.09 0.09 0.07 0.09
O/C 6.80 1.41 1.20 1.61 0.96 7.18 0.95 0.49 0.50 0.61
C/N 34.44 51.15 26.13 76.91 215.24 77.77 78.91 27.44 88.41 143.98
  1. aCalculated as difference between 100 and total of C/H/N