Microwave-assisted catalytic fast pyrolysis of biomass for bio-oil production using chemical vapor deposition modified HZSM-5 catalyst

Bo Zhang, Zhaoping Zhong, Paul Chen, Roger Ruan

Research output: Contribution to journalArticlepeer-review

94 Scopus citations


Chemical vapor deposition with tetra-ethyl-orthosilicate as the modifier was applied to deposit the external acid sites of HZSM-5, and the modified HZSM-5 samples were used for the microwave-assisted catalytic fast pyrolysis (MACFP) of biomass for bio-oil production. The experimental results showed that the external acid sites of HZSM-5 decreased significantly when SiO2 deposited amount increased from 0% to 5.9%. For product distribution, the coke yield decreased, the oil fraction yield decreased at first and then increased, and the yields of water and gas first increased and then decreased over the range of SiO2 deposited amount studied. For chemical compositions in oil fraction, the relative contents of aliphatic hydrocarbons, aromatic hydrocarbons and oxygen-containing aromatic compounds first increased to maximum values and then decreased, while the relative content of oxygen-containing aliphatic compounds first decreased and then increased with increasing SiO2 deposited amount.

Original languageEnglish (US)
Pages (from-to)79-84
Number of pages6
JournalBioresource Technology
StatePublished - Dec 1 2015

Bibliographical note

Funding Information:
The authors are grateful for the financial support from the Minnesota Environment and Natural Resources Trust Fund, North Central Regional Sun Grant Center at South Dakota State University through a grant provided by the U.S. Department of Agriculture ( 2013-38502-21424 ) and a grant provided by the US Department of Transportation, Office of the Secretary ( DTOS59-07-G-00054 ), China Scholarship Council (CSC), as well as National Basic Research Program of China (973 Program) ( 2013CB228106 ), the National Natural Science Fund Program of China ( 51276040 ), the Scientific Research Foundation of Graduate School of Southeast University ( YBJJ1430 ), the Fundamental Research Funds for the Central Universities and the scientific innovation research program of college graduate in Jiangsu province (KYLX_0183).

Publisher Copyright:
© 2015 Elsevier Ltd.

Copyright 2017 Elsevier B.V., All rights reserved.


  • Biomass
  • Catalytic fast pyrolysis
  • Chemical vapor deposition
  • Microwave
  • Modified HZSM-5

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