Journal
FUEL
Volume 196, Issue -, Pages 261-268Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2017.01.116
Keywords
Two-step; Catalytic pyrolysis; Microwave-assisted; ZSM-5; Aromatic hydrocarbons
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Funding
- Minnesota Environment and Natural Resources Trust Fund
- North Central Regional Sun Grant Center at South Dakota State University through U.S. Department of Agriculture [2013-38502-21424]
- North Central Regional Sun Grant Center at South Dakota State University through US Department of Transportation, Office of the Secretary [DTOS59-07-G-00054]
- University of Minnesota Center for Biorefining
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A sequential two-step fast microwave-assisted pyrolysis (fMAP) for high quality bio-oil production was investigated. In the process, fMAP was followed by catalytic cracking and upgrading using a packed bed catalyst reactor with HZSM-5 as the catalyst. Effects of pyrolysis temperature, catalyst loading, and catalyst bed temperature on the product distribution were investigated. Results showed that maximum bio-oil and aromatic hydrocarbons yields were obtained when pyrolysis temperature reached 550 degrees C With the increase in the catalyst loading, the bio-oil yield decreased linearly while the aromatic hydrocarbons yield increased. The catalyst bed temperature also has a significant effect on the product chemical profiles. The aromatic hydrocarbons proportion of the bio-oil was found to increase with increasing catalyst bed temperature and reached its maximum of 26.20% at 425 degrees C. In addition, coke yield increased with increasing catalyst to biomass ratio and decreasing catalyst bed temperature. (C) 2017 Elsevier Ltd. All rights reserved.
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