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Title: Pyrolytic Behavior of Major Biomass Components in Waste Biomass

Abstract

The pyrolytic behavior of several biomass components including cellulose, hemicellulose, lignin, and tannin, from two sources of waste biomass (i.e., pine bark and pine residues) were examined. Compared to the two aromatic-based components in the biomass, carbohydrates produced much less char but more gas. Surprisingly, tannin produced a significant amount of water-soluble products; further analysis indicated that tannin could produce a large amount of catechols. The first reported NMR chemical shift databases for tannin and hemicellulose pyrolysis oils were created to facilitate the HSQC analysis. Various C–H functional groups (>30 different C–H bonds) in the pyrolysis oils could be analyzed by employing HSQC-NMR. The results indicated that most of the aromatic C–H and aliphatic C–H bonds in the pyrolysis oils produced from pine bark and pine residues resulted from the lignin and tannin components. A preliminary study for a quantitative application of HSQC-NMR on the characterization of pyrolysis oil was also done in this study. Nevertheless, the concepts established in this work open up new methods to fully characterize the whole portion of pyrolysis oils produced from various biomass components, which can provide valuable information on the thermochemical mechanisms.

Authors:
 [1];  [1];  [2];  [2]; ORCiD logo [3]
  1. Southeast Univ., Nanjing (China); Key Lab. of Energy Thermal Conversion and Control of Ministry of Education, Nanjing (China)
  2. Qingdao Univ., Qingdao (China)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE; National Science Foundation of China
OSTI Identifier:
1507843
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Polymers
Additional Journal Information:
Journal Volume: 11; Journal Issue: 2; Journal ID: ISSN 2073-4360
Publisher:
MDPI
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; tannin; hemicellulose; waste biomass; HSQC-NMR; pyrolysis mechanism

Citation Formats

Ben, Haoxi, Wu, Zhihong, Han, Guangting, Jiang, Wei, and Ragauskas, Arthur. Pyrolytic Behavior of Major Biomass Components in Waste Biomass. United States: N. p., 2019. Web. doi:10.3390/polym11020324.
Ben, Haoxi, Wu, Zhihong, Han, Guangting, Jiang, Wei, & Ragauskas, Arthur. Pyrolytic Behavior of Major Biomass Components in Waste Biomass. United States. doi:10.3390/polym11020324.
Ben, Haoxi, Wu, Zhihong, Han, Guangting, Jiang, Wei, and Ragauskas, Arthur. Wed . "Pyrolytic Behavior of Major Biomass Components in Waste Biomass". United States. doi:10.3390/polym11020324. https://www.osti.gov/servlets/purl/1507843.
@article{osti_1507843,
title = {Pyrolytic Behavior of Major Biomass Components in Waste Biomass},
author = {Ben, Haoxi and Wu, Zhihong and Han, Guangting and Jiang, Wei and Ragauskas, Arthur},
abstractNote = {The pyrolytic behavior of several biomass components including cellulose, hemicellulose, lignin, and tannin, from two sources of waste biomass (i.e., pine bark and pine residues) were examined. Compared to the two aromatic-based components in the biomass, carbohydrates produced much less char but more gas. Surprisingly, tannin produced a significant amount of water-soluble products; further analysis indicated that tannin could produce a large amount of catechols. The first reported NMR chemical shift databases for tannin and hemicellulose pyrolysis oils were created to facilitate the HSQC analysis. Various C–H functional groups (>30 different C–H bonds) in the pyrolysis oils could be analyzed by employing HSQC-NMR. The results indicated that most of the aromatic C–H and aliphatic C–H bonds in the pyrolysis oils produced from pine bark and pine residues resulted from the lignin and tannin components. A preliminary study for a quantitative application of HSQC-NMR on the characterization of pyrolysis oil was also done in this study. Nevertheless, the concepts established in this work open up new methods to fully characterize the whole portion of pyrolysis oils produced from various biomass components, which can provide valuable information on the thermochemical mechanisms.},
doi = {10.3390/polym11020324},
journal = {Polymers},
number = 2,
volume = 11,
place = {United States},
year = {2019},
month = {2}
}

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Works referenced in this record:

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