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Title: Characterization of products from hydrothermal carbonization of pine

This study aims to reveal the structural features and reaction pathways for solid–liquid products from hydrothermal carbonization of Loblolly pine, where the solid products can be used as catalysts, adsorbents and electrode materials while liquid products can be treated yielding fuels and platform chemicals. Results revealed when treated at 240 °C, cellulose and hemicellulose were degraded, in part, to 5-hydroxy-methyl furfural and furfural which were further transformed to aromatic structures via ring opening and Diels Alder reactions. Lignin degradation and formation of carbon–carbon bonds, forming aromatic motifs in the presence of furanic compounds connected via aliphatic bridges, ether or condensation reactions. After hydrothermal treatment, condensed aromatic carbon materials with methoxy groups were recovered with high fixed carbon content and HHV. As a result, the recovered liquid products are lignin-like value-added chemicals consisting of furfural and polyaromatic structure with alkanes and carboxyl, their total hydroxyl group content decreased when increasing reaction time.
Authors:
 [1] ;  [2] ;  [3] ;  [3] ;  [3] ; ORCiD logo [4] ; ORCiD logo [4] ;  [5] ; ORCiD logo [6]
  1. Northeast Forestry Univ., Heilongjiang Province (People's Republic of China); Qingdao Univ. of Science and Technology, Qingdao (People's Republic of China); Univ. of Tennessee, Knoxville, TN (United States)
  2. Qingdao Univ. of Science and Technology, Qingdao (People's Republic of China)
  3. Univ. of Tennessee, Knoxville, TN (United States)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  5. Northeast Forestry Univ., Heilongjiang Province (People's Republic of China)
  6. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
Bioresource Technology
Additional Journal Information:
Journal Volume: 244; Journal Issue: P1; Journal ID: ISSN 0960-8524
Publisher:
Elsevier
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE; 60 APPLIED LIFE SCIENCES; Hydrothermal carbonization; Thermal conversion; Carbonaceous materials; Solid state NMR; Biomass energy
OSTI Identifier:
1399946
Alternate Identifier(s):
OSTI ID: 1474539

Wu, Qiong, Yu, Shitao, Hao, Naijia, Wells, Jr., Tyrone, Meng, Xianzhi, Li, Mi, Pu, Yunqiao Joseph, Liu, Shouxin, and Ragauskas, Arthur J.. Characterization of products from hydrothermal carbonization of pine. United States: N. p., Web. doi:10.1016/j.biortech.2017.07.138.
Wu, Qiong, Yu, Shitao, Hao, Naijia, Wells, Jr., Tyrone, Meng, Xianzhi, Li, Mi, Pu, Yunqiao Joseph, Liu, Shouxin, & Ragauskas, Arthur J.. Characterization of products from hydrothermal carbonization of pine. United States. doi:10.1016/j.biortech.2017.07.138.
Wu, Qiong, Yu, Shitao, Hao, Naijia, Wells, Jr., Tyrone, Meng, Xianzhi, Li, Mi, Pu, Yunqiao Joseph, Liu, Shouxin, and Ragauskas, Arthur J.. 2017. "Characterization of products from hydrothermal carbonization of pine". United States. doi:10.1016/j.biortech.2017.07.138. https://www.osti.gov/servlets/purl/1399946.
@article{osti_1399946,
title = {Characterization of products from hydrothermal carbonization of pine},
author = {Wu, Qiong and Yu, Shitao and Hao, Naijia and Wells, Jr., Tyrone and Meng, Xianzhi and Li, Mi and Pu, Yunqiao Joseph and Liu, Shouxin and Ragauskas, Arthur J.},
abstractNote = {This study aims to reveal the structural features and reaction pathways for solid–liquid products from hydrothermal carbonization of Loblolly pine, where the solid products can be used as catalysts, adsorbents and electrode materials while liquid products can be treated yielding fuels and platform chemicals. Results revealed when treated at 240 °C, cellulose and hemicellulose were degraded, in part, to 5-hydroxy-methyl furfural and furfural which were further transformed to aromatic structures via ring opening and Diels Alder reactions. Lignin degradation and formation of carbon–carbon bonds, forming aromatic motifs in the presence of furanic compounds connected via aliphatic bridges, ether or condensation reactions. After hydrothermal treatment, condensed aromatic carbon materials with methoxy groups were recovered with high fixed carbon content and HHV. As a result, the recovered liquid products are lignin-like value-added chemicals consisting of furfural and polyaromatic structure with alkanes and carboxyl, their total hydroxyl group content decreased when increasing reaction time.},
doi = {10.1016/j.biortech.2017.07.138},
journal = {Bioresource Technology},
number = P1,
volume = 244,
place = {United States},
year = {2017},
month = {7}
}