Effects of the advanced organosolv pretreatment strategies on structural properties of woody biomass
Abstract
Plants have evolved their lignocellulosic cell walls through complex structural and chemical mechanisms to protect itself against microbial attacks, which makes native lignocellulosic biomass recalcitrant to enzymatic deconstruction. Pretreatment is a crucial step in the biological conversion of biomass as it can render structural changes in the plant cell wall to reduce the biomass recalcitrance, thus enhancing its sugar release performance. There have been many efforts to develop effective pretreatment technologies to overcome the biomass recalcitrance with a primary focus on the efficient conversion of biomass carbohydrates to liquid fuels, while lignin is significantly underutilized despite its bulk amount and high-value opportunities. In this study, the effects of two recent organosolv pretreatment strategies, co-solvent enhanced lignocellulosic fractionation (CELF) and γ-Valerolactone (GVL) pretreatments, on physicochemical properties of poplar were investigated and compared with the effects of conventional ethanol organosolv pretreatment. Diverse physicochemical properties of biomass including chemical compositions, molecular weights of cellulose and lignin, aromatics and inter-unit linkages of lignin, lignin hydroxyl group contents, cellulose crystallinity, and accessible surface area of cellulose were analyzed before and after pretreatments. The results revealed how each organic solvent pretreatment system affected biomass structural characteristics and recalcitrance.
- Authors:
-
[2];
[3];
[6];
[7]
- Univ. of Tennessee, Knoxville, TN (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- State Univ. of New York (SUNY), Syracuse, NY (United States). College of Environmental Science and Forestry
- Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
- Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States); Fujian Forestry and Agriculture Univ. (China)
- Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); State Univ. of New York (SUNY), Syracuse, NY (United States). College of Environmental Science and Forestry
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1606658
- Alternate Identifier(s):
- OSTI ID: 1778321
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Industrial Crops and Products
- Additional Journal Information:
- Journal Volume: 146; Journal Issue: C; Journal ID: ISSN 0926-6690
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Meng, Xianzhi, Bhagia, Samarthya, Pu, Yunqiao Joseph, Zhou, Yang, Pu, Yunqiao, Dunlap, John, Shuai, Li, Ragauskas, Arthur J., and Yoo, Chang Geun. Effects of the advanced organosolv pretreatment strategies on structural properties of woody biomass. United States: N. p., 2020.
Web. doi:10.1016/j.indcrop.2020.112144.
Meng, Xianzhi, Bhagia, Samarthya, Pu, Yunqiao Joseph, Zhou, Yang, Pu, Yunqiao, Dunlap, John, Shuai, Li, Ragauskas, Arthur J., & Yoo, Chang Geun. Effects of the advanced organosolv pretreatment strategies on structural properties of woody biomass. United States. https://doi.org/10.1016/j.indcrop.2020.112144
Meng, Xianzhi, Bhagia, Samarthya, Pu, Yunqiao Joseph, Zhou, Yang, Pu, Yunqiao, Dunlap, John, Shuai, Li, Ragauskas, Arthur J., and Yoo, Chang Geun. Wed .
"Effects of the advanced organosolv pretreatment strategies on structural properties of woody biomass". United States. https://doi.org/10.1016/j.indcrop.2020.112144. https://www.osti.gov/servlets/purl/1606658.
@article{osti_1606658,
title = {Effects of the advanced organosolv pretreatment strategies on structural properties of woody biomass},
author = {Meng, Xianzhi and Bhagia, Samarthya and Pu, Yunqiao Joseph and Zhou, Yang and Pu, Yunqiao and Dunlap, John and Shuai, Li and Ragauskas, Arthur J. and Yoo, Chang Geun},
abstractNote = {Plants have evolved their lignocellulosic cell walls through complex structural and chemical mechanisms to protect itself against microbial attacks, which makes native lignocellulosic biomass recalcitrant to enzymatic deconstruction. Pretreatment is a crucial step in the biological conversion of biomass as it can render structural changes in the plant cell wall to reduce the biomass recalcitrance, thus enhancing its sugar release performance. There have been many efforts to develop effective pretreatment technologies to overcome the biomass recalcitrance with a primary focus on the efficient conversion of biomass carbohydrates to liquid fuels, while lignin is significantly underutilized despite its bulk amount and high-value opportunities. In this study, the effects of two recent organosolv pretreatment strategies, co-solvent enhanced lignocellulosic fractionation (CELF) and γ-Valerolactone (GVL) pretreatments, on physicochemical properties of poplar were investigated and compared with the effects of conventional ethanol organosolv pretreatment. Diverse physicochemical properties of biomass including chemical compositions, molecular weights of cellulose and lignin, aromatics and inter-unit linkages of lignin, lignin hydroxyl group contents, cellulose crystallinity, and accessible surface area of cellulose were analyzed before and after pretreatments. The results revealed how each organic solvent pretreatment system affected biomass structural characteristics and recalcitrance.},
doi = {10.1016/j.indcrop.2020.112144},
journal = {Industrial Crops and Products},
number = C,
volume = 146,
place = {United States},
year = {Wed Apr 01 00:00:00 EDT 2020},
month = {Wed Apr 01 00:00:00 EDT 2020}
}
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