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Title: Lignin Conversion to Low-Molecular-Weight Aromatics via an Aerobic Oxidation-Hydrolysis Sequence: Comparison of Different Lignin Sources

Abstract

Diverse lignin samples have been subjected to a catalytic aerobic oxidation process, followed by formic-acid-induced hydrolytic depolymerization. The yield of monomeric aromatic compounds varies depending on the lignin plant source and pretreatment method. The best results are obtained from poplar lignin isolated via a acidolysis pretreatment method, which gives 42 wt% yield of low-molecular-weight aromatics. Use of other pretreatment methods and/or use of maple and maize lignins afford yields of aromatics ranging from 3 to 31 wt%. These results thus establish useful references for the development of improved oxidation/depolymerization protocols.

Authors:
ORCiD logo [1];  [1];  [1];  [1];  [2]; ORCiD logo [3];  [4];  [5]; ORCiD logo [2]; ORCiD logo [3];  [4]; ORCiD logo [6]; ORCiD logo [7]; ORCiD logo [1]
  1. Univ. of Wisconsin, Madison, WI (United States). Dept. of Chemistry
  2. Univ. of Wisconsin, Madison, WI (United States). Dept. of Chemical and Biological Engineering
  3. Michigan State Univ., East Lansing, MI (United States). Dept. of Biochemistry and Molecular Biology
  4. Michigan State Univ., East Lansing, MI (United States). Dept. of Chemical Engineering and Material Science
  5. Michigan State Univ., East Lansing, MI (United States). Dept. of Chemical Engineering and Material Science; Univ. of Houston, Houston, TX (United States). School of Technology, Biotechnology Division and Dept. of Engineering Technology
  6. Univ. of Wisconsin, Madison, WI (United States). Wisconsin Energy Inst. and Great Lakes Bioenergy Research Center (GLBRC)
  7. Univ. of Wisconsin, Madison, WI (United States). Dept. of Chemistry and Dept. of Biomolecular Chemistry
Publication Date:
Research Org.:
Univ. of Wisconsin, Madison, WI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
OSTI Identifier:
1471683
Grant/Contract Number:  
FC02-07ER64494
Resource Type:
Accepted Manuscript
Journal Name:
ACS Sustainable Chemistry & Engineering
Additional Journal Information:
Journal Volume: 6; Journal Issue: 3; Journal ID: ISSN 2168-0485
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Biomass; Catalysis; Depolymerization; Poplar; Pretreatment

Citation Formats

Das, Amit, Rahimi, Alireza, Ulbrich, Arne, Alherech, Manar, Motagamwala, Ali Hussain, Bhalla, Aditya, da Costa Sousa, Leonardo, Balan, Venkatesh, Dumesic, James A., Hegg, Eric L., Dale, Bruce E., Ralph, John, Coon, Joshua J., and Stahl, Shannon S. Lignin Conversion to Low-Molecular-Weight Aromatics via an Aerobic Oxidation-Hydrolysis Sequence: Comparison of Different Lignin Sources. United States: N. p., 2018. Web. doi:10.1021/acssuschemeng.7b03541.
Das, Amit, Rahimi, Alireza, Ulbrich, Arne, Alherech, Manar, Motagamwala, Ali Hussain, Bhalla, Aditya, da Costa Sousa, Leonardo, Balan, Venkatesh, Dumesic, James A., Hegg, Eric L., Dale, Bruce E., Ralph, John, Coon, Joshua J., & Stahl, Shannon S. Lignin Conversion to Low-Molecular-Weight Aromatics via an Aerobic Oxidation-Hydrolysis Sequence: Comparison of Different Lignin Sources. United States. doi:10.1021/acssuschemeng.7b03541.
Das, Amit, Rahimi, Alireza, Ulbrich, Arne, Alherech, Manar, Motagamwala, Ali Hussain, Bhalla, Aditya, da Costa Sousa, Leonardo, Balan, Venkatesh, Dumesic, James A., Hegg, Eric L., Dale, Bruce E., Ralph, John, Coon, Joshua J., and Stahl, Shannon S. Fri . "Lignin Conversion to Low-Molecular-Weight Aromatics via an Aerobic Oxidation-Hydrolysis Sequence: Comparison of Different Lignin Sources". United States. doi:10.1021/acssuschemeng.7b03541. https://www.osti.gov/servlets/purl/1471683.
@article{osti_1471683,
title = {Lignin Conversion to Low-Molecular-Weight Aromatics via an Aerobic Oxidation-Hydrolysis Sequence: Comparison of Different Lignin Sources},
author = {Das, Amit and Rahimi, Alireza and Ulbrich, Arne and Alherech, Manar and Motagamwala, Ali Hussain and Bhalla, Aditya and da Costa Sousa, Leonardo and Balan, Venkatesh and Dumesic, James A. and Hegg, Eric L. and Dale, Bruce E. and Ralph, John and Coon, Joshua J. and Stahl, Shannon S.},
abstractNote = {Diverse lignin samples have been subjected to a catalytic aerobic oxidation process, followed by formic-acid-induced hydrolytic depolymerization. The yield of monomeric aromatic compounds varies depending on the lignin plant source and pretreatment method. The best results are obtained from poplar lignin isolated via a acidolysis pretreatment method, which gives 42 wt% yield of low-molecular-weight aromatics. Use of other pretreatment methods and/or use of maple and maize lignins afford yields of aromatics ranging from 3 to 31 wt%. These results thus establish useful references for the development of improved oxidation/depolymerization protocols.},
doi = {10.1021/acssuschemeng.7b03541},
journal = {ACS Sustainable Chemistry & Engineering},
number = 3,
volume = 6,
place = {United States},
year = {2018},
month = {1}
}

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