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Title: High-resolution mass spectrometric analysis of biomass pyrolysis vapors

Abstract

Vapors generated from the pyrolysis of lignocellulosic biomass are made up of a complex mixture of oxygenated compounds. Direct analysis of these vapors provides insight into the mechanisms of depolymerization of cellulose, hemicellulose, and lignin as well as insight into reactions that may occur during condensation of pyrolysis vapors into bio-oil. Studies utilizing pyrolysis molecular beam mass spectrometry have provided valuable information regarding the chemical composition of pyrolysis vapors. Mass spectrometers generally employed with these instruments have low mass resolution of approximately a mass unit. The presence of chemical species with identical unit mass but differing elemental formulas cannot be resolved with these instruments and are therefore detected as a single ion. In this study we analyzed the pyrolysis vapors of several biomass sources using a high-resolution double focusing mass spectrometer. High-resolution analysis of pyrolysis vapors allowed for speciation of several compounds that would be detected as a single ion with unit mass resolution. Lastly, these data not only provide greater detail into the composition of pyrolysis vapors but also highlight differences between vapors generated from multiple biomass feedstocks.

Authors:
 [1];  [1];  [1]
+ Show Author Affiliations
  1. National Renewable Energy Lab. (NREL), Golden, CO (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Sustainable Transportation Office. Bioenergy Technologies Office
OSTI Identifier:
1351157
Alternate Identifier(s):
OSTI ID: 1413768
Report Number(s):
NREL/JA-5400-67170
Journal ID: ISSN 0165-2370
Grant/Contract Number:  
AC36-08GO28308; AC36-08-GO28308
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Analytical and Applied Pyrolysis
Additional Journal Information:
Journal Volume: 124; Journal ID: ISSN 0165-2370
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; biomass; pyrolysis; high-resolution mass spectrometry; biofuel

Citation Formats

Christensen, Earl, Evans, Robert J., and Carpenter, Daniel. High-resolution mass spectrometric analysis of biomass pyrolysis vapors. United States: N. p., 2017. Web. doi:10.1016/j.jaap.2017.01.015.
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Christensen, Earl, Evans, Robert J., & Carpenter, Daniel. High-resolution mass spectrometric analysis of biomass pyrolysis vapors. United States. https://doi.org/10.1016/j.jaap.2017.01.015
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Christensen, Earl, Evans, Robert J., and Carpenter, Daniel. Thu . "High-resolution mass spectrometric analysis of biomass pyrolysis vapors". United States. https://doi.org/10.1016/j.jaap.2017.01.015. https://www.osti.gov/servlets/purl/1351157.
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@article{osti_1351157,
title = {High-resolution mass spectrometric analysis of biomass pyrolysis vapors},
author = {Christensen, Earl and Evans, Robert J. and Carpenter, Daniel},
abstractNote = {Vapors generated from the pyrolysis of lignocellulosic biomass are made up of a complex mixture of oxygenated compounds. Direct analysis of these vapors provides insight into the mechanisms of depolymerization of cellulose, hemicellulose, and lignin as well as insight into reactions that may occur during condensation of pyrolysis vapors into bio-oil. Studies utilizing pyrolysis molecular beam mass spectrometry have provided valuable information regarding the chemical composition of pyrolysis vapors. Mass spectrometers generally employed with these instruments have low mass resolution of approximately a mass unit. The presence of chemical species with identical unit mass but differing elemental formulas cannot be resolved with these instruments and are therefore detected as a single ion. In this study we analyzed the pyrolysis vapors of several biomass sources using a high-resolution double focusing mass spectrometer. High-resolution analysis of pyrolysis vapors allowed for speciation of several compounds that would be detected as a single ion with unit mass resolution. Lastly, these data not only provide greater detail into the composition of pyrolysis vapors but also highlight differences between vapors generated from multiple biomass feedstocks.},
doi = {10.1016/j.jaap.2017.01.015},
journal = {Journal of Analytical and Applied Pyrolysis},
number = ,
volume = 124,
place = {United States},
year = {Thu Jan 19 00:00:00 EST 2017},
month = {Thu Jan 19 00:00:00 EST 2017}
}
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https://doi.org/10.1016/j.jaap.2017.01.015
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    Works referencing / citing this record:

    Molecular weight distribution of raw and catalytic fast pyrolysis oils: comparison of analytical methodologies
    journal, January 2020

    • Harman-Ware, Anne E.; Orton, Kellene; Deng, Chris
    • RSC Advances, Vol. 10, Issue 7
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    Relationship between the molecular composition, visible light absorption, and health-related properties of smoldering woodsmoke aerosols
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    • Chan, Lam Kam; Nguyen, Khanh Q.; Karim, Noreen
    • Atmospheric Chemistry and Physics, Vol. 20, Issue 1
    • DOI: 10.5194/acp-20-539-2020
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