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September 2004 NREL/SR-510-36391
Y.Y. Lee, R.B. Chen, Z. Wu, and J. HayesAuburn UniversityAuburn,
Alabama
Kinetic and ModelingInvestigation on Dilute SulfuricAcid and Hot
WaterFractionation of Selected
Biomass Plan
May 1997
National Renewable Energy Laboratory1617 Cole Boulevard, Golden,
Colorado 80401-3393
303-275-3000 www.nrel.gov
Operated for the U.S. Department of EnergyOffice of Energy
Efficiency and Renewable Energy
by Midwest Research Institute Battelle
Contract No. DE-AC36-99-GO10337
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September 2004 NREL/SR-510-36391
Kinetic and ModelingInvestigation on Dilute SulfuricAcid and Hot
WaterFractionation of Selected
Biomass Plan
May 1997
Y.Y. Lee, R.B. Chen, Z. Wu, and J. HayesAuburn UniversityAuburn,
Alabama
NREL Technical Monitor: R. Torget
Prepared under Subcontract No. XAW-3-13441-01
National Renewable Energy Laboratory1617 Cole Boulevard, Golden,
Colorado 80401-3393
303-275-3000 www.nrel.gov
Operated for the U.S. Department of EnergyOffice of Energy
Efficiency and Renewable Energy
by Midwest Research Institute Battelle
Contract No. DE-AC36-99-GO10337
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This publication was reproduced from the best available copy
Submitted by the subcontractor and received no editorial review
at NREL
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REPORT DOCUMENTATION PAGEForm Approved
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PLEASE DO NOT RETURN YOUR FORM TO THE ABOVE ORGANIZATION.1.
REPORT DATE (DD-MM-YYYY)
September 2004
2. REPORT TYPE
Subcontract Report
3. DATES COVERED (From - To)
May 1997
5a. CONTRACT NUMBERDE-AC36-99-GO10337
5b. GRANT NUMBER
4. TITLE AND SUBTITLE
Kinetic and Modeling Investigation on Dilute Sulfuric Acid and
HotWater Fractionation of Selected Biomass: May 1997
5c. PROGRAM ELEMENT NUMBER
5d. PROJECT NUMBER
NREL/SR-510-36391
5e. TASK NUMBER
BB04.7610
6. AUTHOR(S)
Y.Y. Lee, R.B. Chen, Z. Wu, and J. Hayes
5f. WORK UNIT NUMBER
7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES)
Auburn University
Auburn, Alabama
8. PERFORMING ORGANIZATIONREPORT NUMBER
XAW-3-13441-01
10. SPONSOR/MONITOR'S ACRONYM(S)
NREL
9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES)National
Renewable Energy Laboratory1617 Cole Blvd.Golden, CO 80401-3393 11.
SPONSORING/MONITORING
AGENCY REPORT NUMBER
NREL/SR-510-36391
12. DISTRIBUTION AVAILABILITY STATEMENT
National Technical Information ServiceU.S. Department of
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13. SUPPLEMENTARY NOTES
NREL Technical Monitor: R. Torget
14. ABSTRACT (Maximum 200 Words)
Subcontractor developed a processing model to evaluate and
optimize an NREL-developed biomass pretreatmenttechnology. The
technology, taking advantage of the biphasic nature of
hemicellulose in pretreatment, is a two-stage,reverse-flow,
shrinking-bed system. The contract simulation found that this
system could increase sugar yield byabout 5%, with bed shrinkage of
27% and sugar yield of 95% at optimum conditions.
