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Reaction Mechanism of Oxygenate Components of Biomass Pyrolysis Oil on HZSM-5 Zeolite
Corresponding Author(s) : Qingli Xu
Asian Journal of Chemistry,
Vol. 25 No. 3 (2013): Vol 25 Issue 3
Abstract
In this paper, phenol, m-cresol and cyclopentanone, chosen as model compounds, were catalyzed upgrading at 500 ºC, space velocity 5.0 h-1 and different water content conditions. The results showed that the phenol can't be catalyzed on the phase of zeolite HZSM-5. According to the catalytic pyrolysis products of m-cresol and cyclopentanone, simply catalytic reaction pathways were speculated that m-cresol cracking included demethylation and isomerizate reactions and cyclopentanone cracking was firstly dehydration or decarbonylation and then cyclized to produce cyclocompounds, which provided a theoretical basis for the bio-oil catalytic pyrolysis mechanism research.
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References
X. Dai, C. Wu, H. Li and Y. Chen, Energy Fuels, 14, 552 (2000).
J.A. Knight, C.W. Gorton and R.J. Kovas, Biomass, 6, 69 (1984).
A.A. Lappas, M.C. Samolada, D.K. Iatridis, S.S. Voutetakis and I.A. Vasalos, Fuel, 81, 2087 (2002).
B.M. Wagenaar, W. Prins and W.P.M. Vanswaaij, Chem. Eng. Sci., 49, 5109 (1994).
F.H. Mahfud, F. Ghijsen and H.J. Heeres, J. Mol. Catal. A, 264, 227 (2007).
Y. Xu, T. Wang, L. Ma, Q. Zhang and L. Wang, Biomass Bioenergy, 33, 1030 (2009).
D.C. Elliott, Energy Fuels, 21, 1792 (2007).
A.V. Bridgewater, Catal. Today, 29, 285 (1996).
J.D. Adjaye and N.N. Bakhshi, Biomass Bioenergy, 8, 131 (1995).
A.G. Gayubo, A.T. Aguayo, A. Atutxa, R. Aguado, M. Olazar and J. Bilbao, Ind. Eng. Chem. Res., 43, 2610 (2004).