Investigation of the effects of ternary deep eutectic solvent composition on pretreatment of sorghum stover

Yunxuan Wang, Jiae Ryu, Kwang Ho Kim, Xianzhi Meng, Yunqiao Pu, Yang Tian, Aymerick Eudes, Gyu Leem, Arthur J. Ragauskas, Chang Geun Yoo

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Biomass-derived deep eutectic solvents (DESs) have been introduced as promising pretreatment and fractionation solvents because of their mild processing conditions, easy synthesis, and green solvent components from biomass. In recent DES studies, solvent-based third constituents like water, ethanol, and others improve the processibility of typical binary DESs. However, the impacts of these components are not well understood. Here, two solvent-based constituents, including water and ethylene glycol, were applied to 3,4-dihydroxybenzoic acid (DHBA)-based DES system for improving the conversion efficiency of cellulose-rich fraction and the properties of lignin fraction. Chemical composition, enzymatic digestibility, degree of polymerization of cellulose and physicochemical properties of lignin were used to evaluate the impact of each third constituent on biomass processing. Ternary ChCl-DHBA DESs exhibited better performances in delignification, fermentable sugar production, and preservation of β-O-4 ether linkage in lignin compared with binary ChCl-DHBA DES.

Original languageEnglish
Article numbere18227
JournalAIChE Journal
Volume69
Issue number12
DOIs
StatePublished - Dec 2023

Funding

This project was supported by the USDA National Institute of Food and Agriculture, McIntire Stennis project 7002095 and the National Science Foundation grant CBET 2239299. Oak Ridge National Laboratory is managed by UT‐Battelle, LLC under Contract DE‐AC05‐00OR22725 with the U.S. Department of Energy (DOE). This work was also part of the DOE Joint BioEnergy Institute ( http://www.jbei.org ) supported by the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research, through contract DE‐AC02‐05CH11231 between Lawrence Berkeley National Laboratory and the U.S. Department of Energy. The views and opinions of the authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. The U.S. government retains and the publisher, by accepting the article for publication, acknowledges that the U.S. government retains a nonexclusive, paid‐up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for U.S. government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan ( http://energy.gov/downloads/doe-public-access-plan ). : This manuscript has been authored by UT‐Battelle, LLC, under contract DE‐AC05‐00OR22725 with the U.S. Department of Energy (DOE). The U.S. government retains and the publisher, by accepting the article for publication, acknowledges that the U.S. government retains a nonexclusive, paid‐up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for U.S. government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan ( http://energy.gov/downloads/doe-public-access-plan ). Notice This project was supported by the USDA National Institute of Food and Agriculture, McIntire Stennis project 7002095 and the National Science Foundation grant CBET 2239299. Oak Ridge National Laboratory is managed by UT-Battelle, LLC under Contract DE-AC05-00OR22725 with the U.S. Department of Energy (DOE). This work was also part of the DOE Joint BioEnergy Institute (http://www.jbei.org) supported by the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research, through contract DE-AC02-05CH11231 between Lawrence Berkeley National Laboratory and the U.S. Department of Energy. The views and opinions of the authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. The U.S. government retains and the publisher, by accepting the article for publication, acknowledges that the U.S. government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for U.S. government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan). Notice: This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the U.S. Department of Energy (DOE). The U.S. government retains and the publisher, by accepting the article for publication, acknowledges that the U.S. government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for U.S. government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan).

FundersFunder number
DOE Public Access Plan
U.S. Government
National Science FoundationDE‐AC05‐00OR22725, CBET 2239299
U.S. Department of Energy
National Institute of Food and Agriculture7002095
Office of Science
Biological and Environmental ResearchDE‐AC02‐05CH11231
Oak Ridge National Laboratory
Lawrence Berkeley National Laboratory
UT-BattelleDE-AC05-00OR22725

    Keywords

    • 3,4-dihydroxybenzoic acid
    • engineered plant
    • pretreatment
    • sorghum stover
    • ternary deep eutectic solvent

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