thermal properties of loblolly pine from naturally regenerated … · louisville, ky workshop on...
TRANSCRIPT
![Page 1: Thermal Properties of Loblolly Pine from Naturally Regenerated … · Louisville, KY Workshop on Renewable Energy and Energy Efficiency March 26, 2013. Loblolly Bole –CO% (raw)](https://reader034.vdocuments.us/reader034/viewer/2022050300/5f690af8ec457d46275a8264/html5/thumbnails/1.jpg)
Les Groom (SRS)
Tom Elder (SRS)
Don Bragg (SRS)
Anurag Mandalika (LSU)
Darren Baker (UTK)
Thermal Properties of Loblolly
Pine from Naturally Regenerated
Stands
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Project Overview
Austin, TX SWST/FPS International Conference June 9, 2013
• Thermochemical Characterization
– Proximate
– Ultimate
– Gasification
• Silvicultural Regimes
– Growth Rate
– Feedstock Type
• Linkage to LTSP
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Overview of Feedstocks
Austin, TX SWST/FPS International Conference June 9, 2013
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Elemental Analyses
Austin, TX SWST/FPS International Conference June 9, 2013
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Proximate Analyses
Austin, TX SWST/FPS International Conference June 9, 2013
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Carbon Content
Austin, TX SWST/FPS International Conference June 9, 2013
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Standard Ash Content
Austin, TX SWST/FPS International Conference June 9, 2013
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High Heating Value
Austin, TX SWST/FPS International Conference June 9, 2013
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Volatile Matter
Austin, TX SWST/FPS International Conference June 9, 2013
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Gasification: Downdraft
Austin, TX SWST/FPS International Conference June 9, 2013
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Gas Analysis – Mixed SYP
Austin, TX SWST/FPS International Conference June 9, 2013
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Mixed SYP (Flowrate = 70 scmh)
Austin, TX SWST/FPS International Conference June 9, 2013
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Temperature/Syngas Fluctuations
Louisville, KY Workshop on Renewable Energy and Energy Efficiency March 26, 2013
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Loblolly Bole – CO% (raw)
Austin, TX SWST/FPS International Conference June 9, 2013
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Loblolly Bole – CO% (normalized[1])
Austin, TX SWST/FPS International Conference June 9, 2013
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Gasifier Temperature Fluctuations
Austin, TX SWST/FPS International Conference June 9, 2013
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Gasifier Temperature Fluctuations
Austin, TX SWST/FPS International Conference June 9, 2013
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Gasifier Temperature Fluctuations
Austin, TX SWST/FPS International Conference June 9, 2013
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Loblolly Bole – CO% (normalized[2])
Austin, TX SWST/FPS International Conference June 9, 2013
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High-Ext. Slash Temp. Profile Normalization
Austin, TX SWST/FPS International Conference June 9, 2013
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Arkansas Lob BW vs. High Ext. Slash
Austin, TX SWST/FPS International Conference June 9, 2013
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Conclusions
• Proximate/Ultimate Analyses– Silviculture and Feedstocks are Significantly
Different
• Gasification – Variability of Test Conditions Affect Results
– Does Appear That Syngas Composition is a Function of Feedstock
• Very Early Stages in Syngas Analysis
Austin, TX SWST/FPS International Conference June 9, 2013