Production of phenolics and aromatics by pyrolysis of miscanthus

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Upgrading of the vapor-phase products from the pyrolysis of miscanthus was carried out over Al-MCM-41, Al-MCM-48, HZSM-5 and mesoporous MFI (Meso-MFI). The characteristics of the catalysts used in this study were analyzed using N-2-sorption and NH3-TPD. The catalytic activities were evaluated in terms of deoxygenation and the products composition. Catalytic upgrading improved the quality of bio-oil through deoxygenation, although the yield of bio-oil was reduced due to cracking. Mesoporous Al-MCM-41, Al-MCM-48 and Meso-MFI were superior to microporous HZSM-5 in terms of the removal of oxygenates and in the production of phenolics. With respect to the production of aromatics, HZSM-5 and Meso-MFI were more effective due to their high acidity. Of the catalysts tested in this study, Meso-MFI showed the highest activity for the deoxygenation and aromatization. When Pt was loaded onto HZSM-5 and Meso-MFI, both cracking and dehydrogenation were promoted, resulting in enhanced deoxygenation and aromatization. (C) 2012 Elsevier Ltd. All rights reserved.
Publisher
ELSEVIER SCI LTD
Issue Date
2012-07
Language
English
Article Type
Article
Keywords

CATALYTIC FAST PYROLYSIS; X-GIGANTEUS; JAPANESE LARCH; ENERGY CROPS; BIOMASS; ZEOLITES; CHEMICALS; ALUMINA; VAPORS

Citation

FUEL, v.97, pp.379 - 384

ISSN
0016-2361
DOI
10.1016/j.fuel.2012.01.075
URI
http://hdl.handle.net/10203/102520
Appears in Collection
CH-Journal Papers(저널논문)
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