Technoeconomic evaluation of recent process improvements in production of sugar and high-value lignin co-products via two-stage Cu-catalyzed alkaline-oxidative pretreatment

Table 1 Conditions assessed for the second-stage alkaline-oxidative pretreatment

Alkaline-oxidative pretreatment parameter	Value
Temperature (°C)	80
Residence time (h)	12
CuSO₄ dosage (wt. %)^a	0.159
2,2'-Bipyridine (bpy) dosage (wt. %)^a	0.156
NaOH loading (wt. %)^a	10
H₂O₂ loading (wt. %)^a	0–8
O₂ pressure (psig)	50

ISSN: 2731-3654