Bio-oil from fast pyrolysis of lignin: Effects of process and upgrading parameters

Liangliang Fan, Yaning Zhang, Shiyu Liu, Nan Zhou, Paul Chen, Yanling Cheng, Min Addy, Qian Lu, Muhammad Mubashar Omar, Yuhuan Liu, Yunpu Wang, Leilei Dai, Erik Anderson, Peng Peng, Hanwu Lei, Roger Ruan

Research output: Contribution to journalReview articlepeer-review

193 Scopus citations


Effects of process parameters on the yield and chemical profile of bio-oil from fast pyrolysis of lignin and the processes for lignin-derived bio-oil upgrading were reviewed. Various process parameters including pyrolysis temperature, reactor types, lignin characteristics, residence time, and feeding rate were discussed and the optimal parameter conditions for improved bio-oil yield and quality were concluded. In terms of lignin-derived bio-oil upgrading, three routes including pretreatment of lignin, catalytic upgrading, and co-pyrolysis of hydrogen-rich materials have been investigated. Zeolite cracking and hydrodeoxygenation (HDO) treatment are two main methods for catalytic upgrading of lignin-derived bio-oil. Factors affecting zeolite activity and the main zeolite catalytic mechanisms for lignin conversion were analyzed. Noble metal-based catalysts and metal sulfide catalysts are normally used as the HDO catalysts and the conversion mechanisms associated with a series of reactions have been proposed.

Original languageEnglish (US)
Pages (from-to)1118-1126
Number of pages9
JournalBioresource Technology
StatePublished - 2017

Bibliographical note

Publisher Copyright:
© 2017 Elsevier Ltd


  • Bio-oil
  • Lignin pyrolysis
  • Process parameters
  • Upgrading


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