A sustainable biorefinery to convert agricultural residues into value-added chemicals

Table 2 Characteristics of solid digestate and hydrolysate as well as cellulose and xylan conversion during the pretreatment and enzymatic hydrolysis

Characteristics of solid digestate	Value^a
Total solids (% TS)	26.27 ± 1.11
Volatile solids (% VS)	87.70 ± 0.44
Cellulose (% TS)	20.56 ± 0.21
Xylan (% TS)	11.77 ± 0.39
Lignin (% TS)	33.05 ± 0.23

Sugar and acid concentrations of hydrolysate^b	Value^a
Glucose (g L⁻¹)	15.78 ± 0.36
Xylose (g L⁻¹)	11.49 ± 0.15
Acetate (g L⁻¹)	2.23 ± 0.10

Cellulose and xylan conversion	Value^a
Cellulose conversion (%)	64.34 ± 2.28
Xylan conversion (%)	78.18 ± 2.77

^a Data are average of three replicates with standard deviation
^b The concentrations were for the hydrolysate after pretreatment, enzymatic hydrolysis and detoxification

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