Multi-Year Analysis Plan Page 63
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80Sugar Platform Analysis (WBS 2.5)
Project Overview: This project supports the on-going research in the sugar platform, providing
direction and focus to the research by evaluating the technical, economic, and environmental
aspects of biomass sugar production and conversion. Much of the analysis work to be done is a
continuation of past support to the sugar route to ethanol from lignocellulosic biomass. The
process to produce ethanol will still be used as a base case process to evaluate economic impact
of technology developments. However, emphasis will be given to the production of other
products from the sugar streams. Specific activities include:
•
Support will continue to be given to the Novozymes and Genencor subcontracts to
determine impacts of the developments.
•
The effect on MESP from the variability of a second large sampling of corn stover will be
analyzed using techniques developed in FY03.
•
The “State of Technology” case will be updated to properly reflect technologies
demonstrated in the lab and pilot plant. It is anticipated that this case will be updated
annually.
•
Incremental developments that are required to get to $1.07 per gallon MESP target case
will be clearly outlined. Particular focus will be given to determining the economic
benefit of performing Saccharification at high solid and high temperature cellulases.
•
The Clean Fractionation ideas will be analyzed as a way to process portions of
intermediate streams to produce high value chemicals.
•
The hot wash experiments will be analyzed for the material balance and the potential
impact on the MESP of the biomass to ethanol process.
•
Exploratory evaluations will be performed of the benefit of futuristic strategies for
harvesting, biomass storage, and pre treatment of storage piles.
•
Future directions for kinetic modeling in Pretreatment will be developed. One possibility
will to combine CFD (Computational Fluid Dynamics) with accepted biomass
depolymerization pathways.
Project Participants: NREL
Objective: Support ongoing research in the sugar platform via analysis activities.
Stated Benefits: Research will be prioritized based on technoeconomic analysis.
Barriers Addressed: Biomass recalcitrance. Cost of biomass conversion to sugars.
Milestones
Completion Date
Publish Corn Stover LCA Results
5/2004
Rigorous, Optimized Sugar Model
6/2005
Funding (000):
FY04
FY05
FY06
FY07
FY08
Sugar Platform Analysis
$150
$300
$500
$300
$300
59
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