EXPLORATORY STUDY FOR
BIOETHANOL
PRODUCTION AND
BIOREFINERY
COPRODUCTS FROM
WASTE EUCALIPTO.
Roberto Sotomayor A.
December 2nd, 2009
Bioetanol-Domeyko-Finlandia Group
Content of the presentation
Biorefinery
Nacional and internacional view
Location and plant capacity
Mass balance and yields
Flux diagram
Costs and investment
NPV and sensibility analysis.
Conclusions
Biorefinery
Co-ProductsFrom xylose From lignin From other fluxes DDGS
Ethanol productionBiomass Forest wastes
Agricultural wastes
It like a petroleum refinery
Lubricants Tar Fuel Wax
Biorefinery
Co-ProductsFrom xylose From lignin From other fluxes DDGS
Ethanol productionBiomass Forest wastes
Agricultural wastes
It like a petroleum refinery
Lubricants Tar Fuel Wax
National view
International dependence
Source: CNE
Natural gas Petroleum Coal
National
production
Imported
%
Source: Universidad Técnica Federico Santa María, 2006 .
5% fuel2010
bioethanol
165.000 m3/year
National view
Fuel demand
per year
m3
3,5 x 106
3 x 106
2,5 x 106
2 x 106
1,5 x 106
1 x 106
0,5 x 106
0
Source: Universidad Técnica Federico Santa María, 2006 .
National view
Fuel demand
per year
m3
3,5 x 106
3 x 106
2,5 x 106
2 x 106
1,5 x 106
1 x 106
0,5 x 106
0
Location
Total waste 420.000 ton / year
Water from Bío-Bíoriver
Road used by forestry industry
Laja
VIII region
Angol
IX region
Location
Capacity
50 ton/hr
Maintenance
1 mes
Operation condition
24 hr x 330 días
Total waste
420.000 tonLajaVIII region
Angol
IX region
Flux diagram
Mass balance
Ethanol: 78.000 m3
Furfural: 44.500 m3
Lignin Glyoxal: 73.000 ton
Yeast: 6.600 ton
CO2: 41.000 m3
420.000 ton.
Investment & total costs
Investment: 140 MM US$
Profit : 250 MM US$ annual
Variable costs : 230 MM US$ annual
Fixed costs : 4 MM US$ annual
NPV (VAN)
Parameter
Evaluation period
20 years
Discount rate
15%
Financing
40%
(10 years; 8,6% interest rate )
NPV (VAN)= 0
Price ethanol
1.055 US$/m3
IRR (TIR):
15%
Payback:
7 years
Sensibility analysis
Price bioethanol
Raw material cost
Enzyme cost
Equipment cost
Percentage changes
TIR
TIR
Sensibility analysis
1/10 $ enzyme
NPV= 0Price
bioethanol 445 US$ m3
3x $raw material
NPV=0Price
bioethanol 1.180 US$ m3
Conclusions
It´s necessary to diversify the energy matrix .
The plant´s location is in IX region.
The Biorefinery´s bioethanol production covers 48% of the chilean demand.
NPV = 0 Price bioethanol
1.055 US$/m3 unprofitable
If the price of the enzyme decreases 10 times the proyect is profitable
Question & Comment
General Objectives
Explore new technological developments to produce second
generation bioethanol from eucalyptus waste, and an economic
study.
• Raw material availability study
• Study of the process involved in bioethanol´s production and co-
products manufacture.
• Plant location study.
• Conceptual design of Biorefinery plant
• Fixed cost, operation costs and inversion study.
• Economic analysis and sensibility study
Specific Objectives
Furans products
• Laces
• Resins
• Insecticides (toxic)
Chemistry products
• Antibacterial
• DrugsNitro
furans
Lignin glyoxal
Less toxic than
synthetic glue
Board and paper glue
manufacture
Layout
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