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Title: Sources of biomass feedstock variability and the potential impact on biofuels production

Abstract

In this study, terrestrial lignocellulosic biomass has the potential to be a carbon neutral and domestic source of fuels and chemicals. However, the innate variability of biomass resources, such as herbaceous and woody materials, and the inconsistency within a single resource due to disparate growth and harvesting conditions, presents challenges for downstream processes which often require materials that are physically and chemically consistent. Intrinsic biomass characteristics, including moisture content, carbohydrate and ash compositions, bulk density, and particle size/shape distributions are highly variable and can impact the economics of transforming biomass into value-added products. For instance, ash content increases by an order of magnitude between woody and herbaceous feedstocks (from ~0.5 to 5 %, respectively) while lignin content drops by a factor of two (from ~30 to 15 %, respectively). This increase in ash and reduction in lignin leads to biofuel conversion consequences, such as reduced pyrolysis oil yields for herbaceous products as compared to woody material. In this review, the sources of variability for key biomass characteristics are presented for multiple types of biomass. Additionally, this review investigates the major impacts of the variability in biomass composition on four conversion processes: fermentation, hydrothermal liquefaction, pyrolysis, and direct combustion. Finally, futuremore » research processes aimed at reducing the detrimental impacts of biomass variability on conversion to fuels and chemicals are proposed.« less

Authors:
ORCiD logo [1];  [1];  [1];  [1];  [1]
  1. Idaho National Lab. (INL), Idaho Falls, ID (United States)
Publication Date:
Research Org.:
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1251425
Report Number(s):
INL/JOU-15-35892
Journal ID: ISSN 1939-1234; PII: 9694
Grant/Contract Number:  
AC07-05ID14517
Resource Type:
Accepted Manuscript
Journal Name:
BioEnergy Research
Additional Journal Information:
Journal Volume: 9; Journal Issue: 1; Journal ID: ISSN 1939-1234
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; biomass; composition; variability; conversion; biochemical; thermochemical

Citation Formats

Williams, C. Luke, Westover, Tyler L., Emerson, Rachel M., Tumuluru, Jaya Shankar, and Li, Chenlin. Sources of biomass feedstock variability and the potential impact on biofuels production. United States: N. p., 2015. Web. doi:10.1007/s12155-015-9694-y.
Williams, C. Luke, Westover, Tyler L., Emerson, Rachel M., Tumuluru, Jaya Shankar, & Li, Chenlin. Sources of biomass feedstock variability and the potential impact on biofuels production. United States. https://doi.org/10.1007/s12155-015-9694-y
Williams, C. Luke, Westover, Tyler L., Emerson, Rachel M., Tumuluru, Jaya Shankar, and Li, Chenlin. Mon . "Sources of biomass feedstock variability and the potential impact on biofuels production". United States. https://doi.org/10.1007/s12155-015-9694-y. https://www.osti.gov/servlets/purl/1251425.
@article{osti_1251425,
title = {Sources of biomass feedstock variability and the potential impact on biofuels production},
author = {Williams, C. Luke and Westover, Tyler L. and Emerson, Rachel M. and Tumuluru, Jaya Shankar and Li, Chenlin},
abstractNote = {In this study, terrestrial lignocellulosic biomass has the potential to be a carbon neutral and domestic source of fuels and chemicals. However, the innate variability of biomass resources, such as herbaceous and woody materials, and the inconsistency within a single resource due to disparate growth and harvesting conditions, presents challenges for downstream processes which often require materials that are physically and chemically consistent. Intrinsic biomass characteristics, including moisture content, carbohydrate and ash compositions, bulk density, and particle size/shape distributions are highly variable and can impact the economics of transforming biomass into value-added products. For instance, ash content increases by an order of magnitude between woody and herbaceous feedstocks (from ~0.5 to 5 %, respectively) while lignin content drops by a factor of two (from ~30 to 15 %, respectively). This increase in ash and reduction in lignin leads to biofuel conversion consequences, such as reduced pyrolysis oil yields for herbaceous products as compared to woody material. In this review, the sources of variability for key biomass characteristics are presented for multiple types of biomass. Additionally, this review investigates the major impacts of the variability in biomass composition on four conversion processes: fermentation, hydrothermal liquefaction, pyrolysis, and direct combustion. Finally, future research processes aimed at reducing the detrimental impacts of biomass variability on conversion to fuels and chemicals are proposed.},
doi = {10.1007/s12155-015-9694-y},
journal = {BioEnergy Research},
number = 1,
volume = 9,
place = {United States},
year = {Mon Nov 23 00:00:00 EST 2015},
month = {Mon Nov 23 00:00:00 EST 2015}
}

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