화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.92, 243-251, December, 2020
DOI10.1016/j.jiec.2020.09.012  Export Citation
Hydrodeoxygenation of a bio-oil model compound derived from woody biomass using spray-pyrolysis-derived spherical γ-Al2O3-SiO2 catalysts
Quoc Khanh Tran1, Sangjin Han2, Hoang Vu Ly1, 2, Seung-Soo Kim1, †, and Jinsoo Kim2, †
  • 1Department of Chemical Engineering, Kangwon National University, 346, Joongang-ro, Samcheok, Gangwon-do 25913, Korea
  • 2Department of Chemical Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin, Gyeonggi-do 17104, Korea
E-mail:,
In this study, spherical γ-Al2O3-SiO2 catalysts with various Al/Si ratios were prepared by combining the sol-gel and spray pyrolysis (SP) methods. The effectiveness of the product catalysts was then tested via the hydrodeoxygenation (HDO) of guaiacol, a model compound of bio-oil obtained from the pyrolysis of lignocellulosic biomass. Our results showed that the γ-Al2O3-SiO2 catalyst with a 50:50 Al/Si ratio after calcination at 450 °C exhibited the highest guaiacol conversion (81.79%) at a reaction temperature of 300 °C, atmospheric pressure, and a weight hourly space velocity (WHSV) of 6.5 h-1. During guaiacol HDO, the carbon.oxygen cleavage and methyl group transfer reactions occurred on the γ-Al2O3-SiO2 catalyst, which converted the guaiacol into the respective deoxygenated products, including 2,6-xylenol, 2,3,5,6-tetramethyl phenol, pentamethyl benzene, and hexamethyl benzene. The reaction pathways for the conversion of guaiacol HDO were also proposed in this study.
Keywords:Hydrodeoxygenation;Guaiacol;γ-Al2O3-SiO2 catalyst;Bio-oil
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