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Issue 103, 2016, Issue in Progress
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A thermal behavior and kinetics study of the catalytic pyrolysis of lignin

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Abstract

The aim of the present study is to convert lignin into bio-based phenols by catalytic pyrolysis using activated carbon (AC) as a catalyst. The thermal decomposition behavior of lignin pyrolysis was investigated using a thermogravimetric analyzer (TGA). The heating rate played a significant role in lignin thermal degradation, the mass loss of lignin in pyrolysis increased with the increase of heating rate. The reaction kinetics of lignin pyrolysis was determined and compared using microwave and conventional heating, a second-order reaction mechanism fitted well for lignin pyrolysis, and the results revealed that the activation energy for catalytic microwave pyrolysis of lignin was 7.32 kJ mol−1, which was remarkably lower than that for conventional pyrolysis of lignin (59.75 kJ mol−1). The reaction mechanism of this process was analyzed.

Graphical abstract: A thermal behavior and kinetics study of the catalytic pyrolysis of lignin

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Publication details

The article was received on 14 Sep 2016, accepted on 14 Oct 2016 and first published on 18 Oct 2016


Article type: Paper
DOI: 10.1039/C6RA22967K
Citation: RSC Adv., 2016,6, 100700-100707
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    A thermal behavior and kinetics study of the catalytic pyrolysis of lignin

    Q. Bu, H. Lei, M. Qian and G. Yadavalli, RSC Adv., 2016, 6, 100700
    DOI: 10.1039/C6RA22967K

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