Evaluating the susceptibility of pyrolysis of monosaccharide, disaccharide, and polysaccharide to CO₂

Jechan LEE, Yiu Fai TSANG, Jeong-Ik OH, Sang-Ryong LEE, Eilhann E. KWON

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21 Citations (Scopus)

Abstract

This study is aiming at exploring the genuine role of CO₂ in pyrolysis of lignocellulosic biomass by investigating the susceptibility of pyrolysis of monosaccharide (e.g., xylose and glucose), disaccharide (e.g., sucrose), and polysaccharide (e.g., woody biomass) to CO₂. To do this, the thermal degradation of these four biomass samples was characterized in N₂ and CO₂. The thermal characterization results reveal that the physical aspects of biomass decomposition (i.e., thermal degradation rate and residual mass difference) associated with CO₂ were nearly the same; however, the chemical aspects were significantly different. In other words, CO₂ enhanced thermal cracking of volatile organic compounds (VOCs) generated from thermal degradation of biomass. In addition, our experiment results show that xylose (a major constituent of hemicellulose) and lignin exhibited a high sensitivity to CO₂ in pyrolysis. Copyright © 2017 Elsevier Ltd.
Original languageEnglish
Pages (from-to)338-345
JournalEnergy Conversion and Management
Volume138
Early online dateFeb 2017
DOIs
Publication statusPublished - Apr 2017

Citation

Lee, J., Tsang, Y. F., Oh, J.-I., Lee, S.-R., & Kwon, E. E. (2017). Evaluating the susceptibility of pyrolysis of monosaccharide, disaccharide, and polysaccharide to CO₂. Energy Conversion and Management, 138, 338-345.

Keywords

  • CO₂
  • Monosaccharide
  • Disaccharide
  • Polysaccharide
  • Pyrolysis
  • Biofuels

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