Upgrading of bio-oil via acid-catalyzed reactions in alcohols: a mini review

X. Hu, R. Gunawan, D. Mourant, M.D. Mahmudul Hasan, L. Wu, Y. Song, C. Lievens, C.Z. Li

Research output: Contribution to journalArticleAcademicpeer-review

78 Citations (Scopus)


Bio-oil is a condensable liquid produced from the pyrolysis of biomass, which can be upgraded to biofuels. Bio-oil is corrosive as it contains significant amounts of carboxylic acids, creating difficulties in handling of bio-oil and applications of bio-oil. Acid-treatment of bio-oil in alcohols is an upgrading method to transform the carboxylic acids in bio-oil into neutral esters. This study reviewed the recent progress in the research about the acid-catalyzed conversion of bio-oil in alcohols. The various catalytic processes for the acid treatment of bio-oil and the reaction network of some individual components of bio-oil during the upgrading were focused. The interactions among the main components of bio-oil during the acid-treatments were also discussed.
Original languageEnglish
Pages (from-to)2-19
JournalFuel processing technology
Publication statusPublished - 2017


  • METIS-319873


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