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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,Ê“ ,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.