Multi-Year Analysis Plan Page 39
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80•
Analyze the effect on MESP from the variability of a second large sampling of corn stover using
techniques developed in FY03.
•
Update the “State of Technology” case to properly reflect technologies demonstrated in the lab and
pilot plant. It is anticipated that this case will be updated annually.
•
Clearly outline incremental developments that are required to get to $1.07 per gallon MESP target
case. Particular focus will be given to determining the economic benefit of performing
saccharification at high solid and high temperature cellulases.
•
Analyze the Clean Fractionation ideas as a way to process portions of intermediate streams to produce
high value chemicals.
•
Analyze the hot wash experiments for the material balance and the potential impact on the MESP of
the biomass to ethanol process.
•
Perform exploratory evaluations on the benefit of futuristic strategies for harvesting, biomass storage,
and pre treatment of storage piles.
•
Develop future directions for kinetic modeling in pretreatment. One possibility will be to combine
CFD (Computational Fluid Dynamics) with accepted biomass depolymerization pathways.
The Program leverages the work of the Biomass Refining Consortium on Applied Fundamentals and
Innovation (CAFI), a group of pretreatment researchers funded by the USDA and recently selected for
continued funding in the FY03 USDA/DOE solicitation. Technoeconomic evaluations of competing
pretreatment concepts will be done in two stages, based on the best available data on the performance of
each technology. By the end of 2007, consistent comparative data of the top three to five most promising
concepts will be available for review by industry partners that are facing critical technology choices prior
to entering the commercial demonstration phase for their specific emerging sugar biorefinery projects.
3.3 Thermochemical Platform Analysis (NREL)
The technical goal of the Thermochemical Platform is to develop the capability of thermochemically
converting biomass into simple building blocks for the production of fuels, other chemicals, and
materials. The specific area objectives are listed in Table 7, along with corresponding analysis objectives.
The analysis for the thermochemical platform R&D provides information to the benefits analysis effort,
direction to the program, and engineering knowledge for biorefinery development.
Table 7: Thermochemical Platform Goal and Objectives
Area Milestones and Objectives:
•
By 2005 validate a process for continuous biomass gasification, tar cracking and syngas
reforming.
•
By 2007 validate a condensing, gas cleanup system.
•
By 2009 validate a catalytic system for cleaning tar.
•
Reduce the estimated cost for production of a cleaned and reformed biomass-derived synthesis
gas produced from a mature gasification plant, from $6.48 per million Btu ($6.14 per GJ) in
2003 to $5.28 per million Btu ($5.01 per GJ) by 2010.
Analysis Objectives:
•
Provide conversion designs and costs for thermochemical conversion of biomass to
intermediates and model products.
•
Justify and guide research within the thermochemical platform. Show progress to the
intermediates and model products price target.
•
Provide design and cost information for thermochemical processes to the biomass community.
Analysis Status
Analysis performed under this task supports the on-going research in the thermochemical platform. That
analysis has included developing technical characterizations of power production from direct combustion
35
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