Here are a few examples of professional design and economic reports.

Humbird, D. et al. Process design and economics for biochemical conversion of lignocellulosic biomass to ethanol: Dilute-acid pretreatment and enzymatic hydrolysis of corn stover. Report No. NREL/TP-5100-47764, (DOE, NREL, 2011).

Davis, R. et al. Process design and economics for the conversion of lignocellulosic biomass to hydrocarbons: Dilute-acid and enzymatic deconstruction of biomass to sugars and biological conversion of sugars to hydrocarbons. Report No. NREL/TP-5100-60223, (DOE, NREL, 2013)