Bio-oil production from sequential two-step catalytic fast microwave-assisted biomass pyrolysis

Shiyu Liu, Yaning Zhang, Liangliang Fan, Nan Zhou, Gaoyou Tian, Xindi Zhu, Yanling Cheng, Yunpu Wang, Yuhuan Liu, Paul Chen, Roger Ruan

Research output: Contribution to journalArticle

37 Scopus citations

Abstract

A sequential two-step fast microwave-assisted pyrolysis (fMAP) for high quality bio-oil production was investigated. In the process, fMAP was followed by catalytic cracking and upgrading using a packed bed catalyst reactor with HZSM-5 as the catalyst. Effects of pyrolysis temperature, catalyst loading, and catalyst bed temperature on the product distribution were investigated. Results showed that maximum bio-oil and aromatic hydrocarbons yields were obtained when pyrolysis temperature reached 550 °C With the increase in the catalyst loading, the bio-oil yield decreased linearly while the aromatic hydrocarbons yield increased. The catalyst bed temperature also has a significant effect on the product chemical profiles. The aromatic hydrocarbons proportion of the bio-oil was found to increase with increasing catalyst bed temperature and reached its maximum of 26.20% at 425 °C. In addition, coke yield increased with increasing catalyst to biomass ratio and decreasing catalyst bed temperature.

Original languageEnglish (US)
Pages (from-to)261-268
Number of pages8
JournalFuel
Volume196
DOIs
StatePublished - Jan 1 2017

Keywords

  • Aromatic hydrocarbons
  • Catalytic pyrolysis
  • Microwave-assisted
  • Two-step
  • ZSM-5

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