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Logistical Support and Modeling Efforts in Pretreatment Research Paper 516g Annual Meeting of the American Institute of Chemical Engineers Thursday, November 16, 2006 San Francisco, CA Tim Eggeman* - Neoterics International Richard Elander - National Renewable Energy Laboratory.
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Logistical Support and Modeling Efforts in Pretreatment Research Paper 516g Annual Meeting of the American Institute of Chemical Engineers Thursday, November 16, 2006 San Francisco, CA Tim Eggeman* - Neoterics International Richard Elander - National Renewable Energy Laboratory NEOTERICS INTERNATIONAL Using Technology to Create Business Innovation Biomass Refining CAFI
Outline • Logistical Support • Analytical Protocols • Feedstock Supply • Surface Characterization • Modeling • Process • Economic Biomass Refining CAFI
Analytical Protocols http://www1.eere.energy.gov/biomass/analytical_procedures.html Biomass Refining CAFI
Feedstocks Biomass Refining CAFI
Feedstocks Biomass Refining CAFI
Feedstocks Biomass Refining CAFI
Block Flow Enzymes CO2 Water Hydrolysis + Fermentation Feed Handling Stover Pretreatment Recovery EtOH Syrup + Solids Chemicals Water Boiler + Generator Steam Power Biomass Refining CAFI
Aspen Plus – GUI w/ Hierarchy Biomass Refining CAFI
Aspen Plus – GUI w/ Hierarchy Biomass Refining CAFI
Current vs. Goal • Current: Laboratory Performance • Pretreatment • Conditioning • Enzymatic Hydrolysis • Fermentation • Goal: Likely Performance of Above Steps at Commercial Scale Biomass Refining CAFI
CAFI II vs. CAFI I • Improved Definition and Consistency of Modeling Assumptions • Improved/Tailored Enzyme Cocktails • Conditioning & Fermentability Tests Biomass Refining CAFI
Capital Costs Fixed - Direct Purchased Equipment Installation - Indirect - Contingency - Start-up Working Operating Costs Variable – Stover Enzymes Other Fixed - Labor Maintenance Insurance Depreciation Revenues Ethanol Sales Electricity Sales Discounted Cash Flow 2.5 yr Construction, 0.5 yr Start-up 20 yr Operation 100% Equity, No Subsidy Rational EtOH Pricing Rather Than Market Pricing 10% Real After Tax Discount Rate Performance Measures Total Fixed Capital Per Annual Gallon of Capacity Plant Level Cash Costs Minimum Ethanol Selling Price (MESP) Economic Modeling Biomass Refining CAFI
Results (Interim) Biomass Refining CAFI
Fixed Capital Stover Goal, Ideal Pretreatment Biomass Refining CAFI
MESP Cash Cost Plant Level Cash Costs and MESP $/gal EtOH Stover Current Cases, Proof Year: 4th Year of Operation
Conclusions • Consistent Protocols and Materials • Improved Methodology vs. CAFI I • Yield Drives Economics Biomass Refining CAFI
Acknowledgements • US Department of Energy Office of the Biomass Program, Contract DE-FG36-04GO14017 • The United States Department of Agriculture - Initiative for Future Agricultural and Food Systems/Cooperative State Research, Education and Extension Service (Contract Number 00-52104-9663) • The National Renewable Energy Laboratory • Biomass Refining Consortium for Applied Fundamentals and Innovation (CAFI) • Natural Resources Canada • Genencor International Biomass Refining CAFI
Project Institutions Biomass Refining CAFI