Fractionation and characterization of bio-oil from microwave-assisted pyrolysis of corn stover

Changyan Yang, Bo Zhang, Johannes Moen, Kevin Hennessy, Yuhuan Liu, Xiangyang Lin, Yiqin Wan, Hanwu Lei, Paul Chen, Roger Ruan

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Bio-oil from thermochemical conversion of biomass is a complex mixture of polar and non-polar compounds, and cannot be used directly as a combustion engine fuel due to its low heating value, high viscosity, chemical instability, and incomplete volatility. Mixed-solvent extraction was developed to fractionate bio-oils from microwave-assisted pyrolysis of corn stover to produce light oil (a mixture of light and inflammable fuel oil components from bio-oil) with low viscosity and low combustion residue, and high value chemicals. Different fractions from bio-oil were characterized using GC/MS and TG, and a major chemical (hydroxy-butanedioic acid diethyl ester) was separated.

Original languageEnglish (US)
Pages (from-to)54-61
Number of pages8
JournalInternational Journal of Agricultural and Biological Engineering
Volume3
Issue number3
DOIs
StatePublished - Dec 1 2010

Keywords

  • Bio-oil
  • Characterization
  • Corn stover
  • Fractionation
  • Pyrolysis

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