LAPSE:2019.0224
Published Article
LAPSE:2019.0224
A Principal Component Analysis in Switchgrass Chemical Composition
Mario Aboytes-Ojeda, Krystel K. Castillo-Villar, Tun-hsiang E. Yu, Christopher N. Boyer, Burton C. English, James A. Larson, Lindsey M. Kline, Nicole Labbé
February 5, 2019
In recent years, bioenergy has become a promising renewable energy source that can potentially reduce the greenhouse emissions and generate economic growth in rural areas. Gaining understanding and controlling biomass chemical composition contributes to an efficient biofuel generation. This paper presents a principal component analysis (PCA) that shows the influence and relevance of selected controllable factors over the chemical composition of switchgrass and, therefore, in the generation of biofuels. The study introduces the following factors: (1) storage days; (2) particle size; (3) wrap type; and (4) weight of the bale. Results show that all the aforementioned factors have an influence in the chemical composition. The number of days that bales have been stored was the most significant factor regarding changes in chemical components due to its effect over principal components 1 and 2 (PC1 and PC2, approximately 80% of the total variance). The storage days are followed by the particle size, the weight of the bale and the type of wrap utilized to enclose the bale. An increment in the number of days (from 75⁻150 days to 225 days) in storage decreases the percentage of carbohydrates by −1.03% while content of ash increases by 6.56%.
Keywords
bioenergy, lignocellulosic biomass, principal component analysis, statistical hypothesis, switchgrass
Subject
Suggested Citation
Aboytes-Ojeda M, Castillo-Villar KK, Yu THE, Boyer CN, English BC, Larson JA, Kline LM, Labbé N. A Principal Component Analysis in Switchgrass Chemical Composition. (2019). LAPSE:2019.0224
Author Affiliations
Aboytes-Ojeda M: Mechanical Engineering Department, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249, USA
Castillo-Villar KK: Mechanical Engineering Department, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249, USA [ORCID]
Yu THE: Department of Agricultural and Resource Economics, University of Tennessee, Knoxville, TN 37996, USA
Boyer CN: Department of Agricultural and Resource Economics, University of Tennessee, Knoxville, TN 37996, USA
English BC: Department of Agricultural and Resource Economics, University of Tennessee, Knoxville, TN 37996, USA
Larson JA: Department of Agricultural and Resource Economics, University of Tennessee, Knoxville, TN 37996, USA
Kline LM: Center for Renewable Carbon, University of Tennessee, Knoxville, TN 37996, USA
Labbé N: Center for Renewable Carbon, University of Tennessee, Knoxville, TN 37996, USA
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Journal Name
Energies
Volume
9
Issue
11
Article Number
E913
Year
2016
Publication Date
2016-11-04
Published Version
ISSN
1996-1073
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Original Submission
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PII: en9110913, Publication Type: Journal Article
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LAPSE:2019.0224
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doi:10.3390/en9110913
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Feb 5, 2019
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CC BY 4.0
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Feb 5, 2019
 
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Original Submitter
Calvin Tsay
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