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Table 2 Lignin content and energy density in three types of starting and recovered solids

From: Scale-up and evaluation of high solid ionic liquid pretreatment and enzymatic hydrolysis of switchgrass

Biomass solids

Lignin (%)

Energy density (KJ/g)

Untreated

22.58 ± 1.01

18.37 ± 0.03

Pretreated

9.33 ± 0.38

16.62 ± 0.74

Saccharified

49.08 ± 1.46

21.72 ± 0.95