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Table 3 Financial summary of green liquor pretreatment of loblolly pine

From: Integration of pulp and paper technology with bioethanol production

Green liquor loblolly pine
  2015 Projection 2015 Projection
Greenfield GL Mill Repurpose GL Mill
  Quantity Cost per unit Quantity Cost per unit
Loblolly Pine 454,545 $69.28 454,545 $70.87
Annual Ethanol Production, Liters 123,894,322   125,534,368  
Ethanol Yield, Liters per BDt 273   276  
CAPEX Total/per Annual Liter 309,ʓ ,845 $2.50 $75,741,067 $0.60
Total Biomass Cost per Liter   $0.27   $0.28
Total Enzyme Cost per Liter   $0.16   $0.36
Total Energy Credit/Cost   $0.02   -0.05
Total Direct Cost per Liter   $0.44   $0.60
Total Indirect Cost per liter   $0.44   $0.22
Total Cash Cost per liter   $0.60   $0.71
Total Cost per liter   $0.88   $0.81
MER,$ per liter   $0.94   $0.78
IRR, 0025   12%   12%
  1. Despite the investment cost difference, Repurposing an existing kraft mill to produce bioethanol from loblolly pine is not economical.