Reference | Conversion Process | Capacity | Ethanol Production Cost (2005 US $/litre) |
Von Sivers & Zacchi (1996) | Enz./dilute acid/concentrated acid | 100,000 (softwood) | 0.76/0.81/0.79 |
Lynd (1996) | Enz (SSF) | 592,000 (hardwood) | 0.4 |
NREL Wooley et al. (1999) Aden et al. (2002) Ruth and Jechura (2003) | Enz. (SSF) | 700,000 (hardwood) (corn stover) | 0.47/0.34 |
Wingren (2003) | Enz. (SHF)/Enz.(SSF) | 196,000 (softwood) | 0.8/0.64-0.68) |
Sassner et al. (2008) | Enz. (SSF) | 200,000 (hardwood/corn stover/softwood) | 0.71/0.1/0.57 |