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 3 Assumptions for the sensitivity analysis

Factors	Low values	Base case	High values
Sugar usage	Sugars from pre-extraction not included	All sugars included	N/A
Lignin value as a polyol	$0.60/kg lignin	$0.80/kg lignin	$1.00/kg lignin
Named monomer price	$1.00/kg	$2.00/kg	N/A
H₂O₂ price	$750/tonne	$1000/tonne	$1250/tonne
Pretreatment vessel capital cost	$23.78 MM	$31.71 MM	$39.64 MM
Oxygen usage	28.1 g/kg poplar	37.5 g/kg poplar	46.9 g/kg poplar

ISSN: 2731-3654