Journal
BIORESOURCE TECHNOLOGY
Volume 102, Issue 13, Pages 7004-7007Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.04.025
Keywords
Biomass; Activated carbon; Catalytic microwave pyrolysis; Phenol; Phenolics
Funding
- Office of Research and Department of Biological Systems Engineering at Washington State University
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Catalytic microwave pyrolysis of biomass using activated carbon was investigated to determine the effects of pyrolytic conditions on the yields of phenol and phenolics. The high concentrations of phenol (38.9%) and phenolics (66.9%) were obtained at the temperature of 589 K, catalyst-to-biomass ratio of 3:1 and retention time of 8 min. The increase of phenol and its derivatives compared to pyrolysis without catalysts has a close relationship with the decomposition of lignin under the performance of activated carbon. The concentration of esters was also increased using activated carbon as a catalyst. The high content of phenols obtained in this study can be used either directly as fuel after upgrading or as feedstock of bio-based phenols for chemical industry. (C) 2011 Elsevier Ltd. All rights reserved.
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