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Table 4 Elemental composition of solid fraction after steam explosion of untreated and preprocessed poplar biomasses

From: Removal of non-structural components from poplar whole-tree chips to enhance hydrolysis and fermentation performance

  Ba (µg/g) Ca (µg/g) Fe (µg/g) K (µg/g) Mg (µg/g) Mn (µg/g) Na (µg/g) P (µg/g) S (µg/g) Zn (µg/g) Si (µg/g)
Untreated 17.4 ± 0.3 2809 ± 263 24.0 ± 1.2 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 32.2 ± 2.6 0.0 ± 0.0 1865 ± 135 0.0 ± 0.0 46.5 ± 7.3
Neutral 11.1 ± 0.1 1765 ± 64 19.6 ± 0.8 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 26.3 ± 0.3 0.0 ± 0.0 1326 ± 122 0.0 ± 0.0 33.7 ± 1.4
Acidic-neutral 5.9 ± 0.2 1154 ± 23 24.6 ± 1.2 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 31.8 ± 0.5 0.0 ± 0.0 712 ± 33 0.0 ± 0.0 33.6 ± 2.2
Acidic 7.1 ± 0.1 1244 ± 81 23.4 ± 1.9 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 30.4 ± 1.4 0.0 ± 0.0 772 ± 32 0.0 ± 0.0 46.3 ± 1.0
  1. Data represented as the mean of triplicate measurements with standard deviation