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Table 2 Composition and sugar recovery resulting from steam pretreated of coppice samples including WIF yield (expressed as recovered solids in kg/tonne), chemical composition of WIF (as percentages of the solid weight), and monomeric sugar yields in WSF samples (expressed as kg/tonne raw biomass)

From: Bridging the gap between feedstock growers and users: the study of a coppice poplar-based biorefinery

Site Hybrid WIF yield (kg/tonne) Chemical composition of WIF (%) Sugar recovered in WSF (kg/tonne)
Glucan Xylan Minor sugars Total sugars Lignin Glucose Xylose Minor sugars Total sugars
Jefferson Low-productivity 468.5 52.2 2.4 0.7 55.2 37.4 49.4 78.2 28.7 156.3
21.6 0.3 0.3 0.1 0.1 0.1 1.5 4.0 1.1 6.3
High-productivity 467.4 53.0 2.8 0.7 56.5 35.9 27.2 65.7 20.5 113.3
5.6 1.0 0.1 0.0 0.9 0.4 0.4 2.1 1.0 2.6
Clarksburg Low-productivity 508.5 55.3 2.6 0.7 58.7 37.6 62.2 80.4 30.4 173.0
9.3 0.6 0.1 0.0 0.5 0.5 2.6 3.9 0.4 6.1
High-productivity 529.0 54.4 2.6 0.7 57.7 36.8 53.4 72.0 27.1 152.4
6.4 0.4 0.2 0.0 0.2 0.7 4.0 4.6 2.5 11.1
  1. Standard deviations (SDs) are shown under each mean value. kg/tonne values refer to kg of sugar recovered per tonne of raw OD biomass