Table 2 Elemental composition by EDS

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 28.2 53.7 49.3 54.6 62.2 28.6 71.4 72.5 67.8 85.9
O 39.4 43.8 48.4 41.2 35.5 29.9 28.4 26.0 31.5 13.9
Ca 26.3 0.7 0.5 0.2 36.1 1.0 0.1
P 3.5 4.4
S 0.4 0.3 0.1
Si 1.1 0.2 0.2
Cl 0.2 0.9
K 0.1 0.2 1.0 1.6 0.1
Na 0.1 0.4 0.1 0.1
Mg 1.1 0.1 0.1 0.7 0.1 0.8
Pb 0.2 0.2 0.2 0.5
Fe 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2
Al 0.1 0.1 0.1 0.1 0.1
Mn 0.1
Cu 0.1 0.1 0.2 0.1 0.1 0.2 0.1