Journal
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
Volume 121, Issue -, Pages 342-346Publisher
ELSEVIER
DOI: 10.1016/j.jaap.2016.08.015
Keywords
Biomass; Fast pyrolysis; Fe/ZSM-5 catalysts; Aromatic hydrocarbons
Funding
- National Natural Sciences Foundation of China [51276104]
- National Key Technology Support Program of China [2014BAC26803]
- Natural Science Foundation of Shandong Province of China [ZR2014YL007, ZR2014YL041, ZR2015EM012]
- Youth Science Funds of Shandong Academy of Sciences of China [2016QN007]
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The Fe/ZSM-5 catalyst was prepared and used for fast pyrolysis of biomass to aromatic hydrocarbons by pyrolysis-gas chromatography/mass spectrometry experiments (Py-GC/MS). It was found that the Fe/ZSM-5 catalyst demonstrated better activity in the conversion of oxygenates and formation of mono cyclic aromatic hydrocarbons (MAHs) than the ZSM-5 catalyst. Furthermore, for catalytic fast pyrolysis of biomass with Fe/ZSM-5 catalyst, the yields of aromatic hydrocarbons were significantly increased with the rise of temperature from 500 degrees C to 600 degrees C, and then decreased with the increase of temperature from 600 degrees C to 800 degrees C. Based on the results of catalyst characterization and activity experiments, it seems that the Fe/ZSM-5 catalyst maintained the structure of ZSM-5, and the incorporation of Fe into ZSM-5 zeolites contributed to the formation of MAHs and simultaneously hindered the further polymerization reaction of MAHs and other oxygenates. (C) 2016 Elsevier B.V. All rights reserved.
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