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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received June 21, 2011
Accepted July 8, 2011
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Pyrolysis properties and kinetics of mandarin peel

1Graduate School of Energy and Environmental System Engineering, University of Seoul, Seoul 130-743, Korea 2Young In Scientific Co., Seoul 135-891, Korea 3Korea Institute of Energy Research, Daejeon 303-343, Korea 4Department of Environmental Engineering, Sunchon National University, Suncheon 540-742, Korea 5Department of Chemical Engineering, Kongju National University, Cheonan 331-717, Korea 6Department of Environmental Sciences and Biotechnology, Hallym University, Chuncheon 200-702, Korea 7School of Environmental Engineering, University of Seoul, Seoul 130-743, Korea
catalica@uos.ac.kr
Korean Journal of Chemical Engineering, October 2011, 28(10), 2012-2016(5), 10.1007/s11814-011-0177-3
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Abstract

The thermal property of the pyrolysis reaction of mandarin peel was studied using thermogravimetric analysis (TGA). Thermogravimetric analyses with temperature increases of 10, 20 and 40℃ /min showed large weight losses within the temperature range 150-590℃. Differential thermogravimetric (DTG) analysis curves illustrated that the pyrolysis of mandarin peel was a multi-step process, consisting of water desorption, the decomposition of pectin, hemicellulose,_x000D_ cellulose and lignin, and devolatilization of the residual char. The apparent activation energies ranged between 119 and 406 kJ/mol, depending on the pyrolytic conversion. The pyrolysis products were analyzed, using pyrolyzergas chromatography/mass spectrometry (Py-GC/MS), to evaluate mandarin peel as a renewable source of valuable industrial chemicals. The pyrolysis products of mandarin peel contained high portions of methanol and acetic acid, as well as valuable compounds, such as limonene and vitamin E.

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