Fast hydropyrolysis of biomass Conversion: A comparative review

Shinyoung Oh, Jechan Lee, Su Shiung Lam, Eilhann E. Kwon, Jeong Myeong Ha, Daniel C.W. Tsang, Yong Sik Ok, Wei Hsin Chen, Young Kwon Park

Research output: Contribution to journalReview articlepeer-review

48 Citations (Scopus)


Recent studies show that fast hydropyrolysis (i.e., pyrolysis under hydrogen atmosphere operating at a rapid heating rate) is a promising technology for the conversion of biomass into liquid fuels (e.g., bio-oil and C4+ hydrocarbons). This pyrolysis approach is reported to be more effective than conventional fast pyrolysis in producing aromatic hydrocarbons and also lowering the oxygen content of the bio-oil obtained compared to hydrodeoxygenation (a common bio-oil upgrading method). Based on current literature, various non-catalytic and catalytic fast hydropyrolysis processes are reviewed and discussed. Efforts to combine fast hydropyrolysis and hydrotreatment process are also highlighted. Points to be considered for future research into fast hydropyrolysis and pending challenges are also discussed.

Original languageEnglish
Article number126067
JournalBioresource technology
Publication statusPublished - 2021 Dec

Bibliographical note

Funding Information:
This study was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. NRF-2020M1A2A2079801, NRF-2021R1A2C3011274).

Publisher Copyright:
© 2021 Elsevier Ltd


  • Biofuels
  • Biorefinery
  • Hydrocarbons
  • Hydropyrolysis
  • Pyrolysis

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal


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