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  • Title: Phenol and phenolics from lignocellulosic biomass by catalytic microwave pyrolysis.
    Author: Bu Q, Lei H, Ren S, Wang L, Holladay J, Zhang Q, Tang J, Ruan R.
    Journal: Bioresour Technol; 2011 Jul; 102(13):7004-7. PubMed ID: 21531545.
    Abstract:
    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.
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