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Sci Total Environ. 2019 Apr 1;659:95-100. doi: 10.1016/j.scitotenv.2018.12.241. Epub 2018 Dec 27.

Comparative study on characteristics of the bio-oil from microwave-assisted pyrolysis of lignocellulose and triacylglycerol.

Author information

1
State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China.
2
State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China. Electronic address: wangyunpu@ncu.edu.cn.
3
State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China; Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, China; Center for Biorefining and Department of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave., St. Paul, MN 55108, USA.

Abstract

Microwave-assisted pyrolysis of Camellia oleifera shell (COS) and stillingia oil (SO) was performed in the temperature range of 400-600 °C. The effects of feedstock and pyrolysis temperatures on product yield and bio-oil composition were discussed in detail. The bio-oil yield from COS pyrolysis varied from 37.30 wt% to 40.27 wt%, which was 11.32 wt% to 21.62 wt% lower than that from SO pyrolysis. Gas chromatography-mass spectrometry analysis indicated that SO bio-oil was rich in hydrocarbons, whereas COS pyrolysis produced mainly oxygen-containing compounds predominantly comprising phenols and acids. Fourier transform infrared and 1H-nuclear magnetic resonance spectra showed significant differences in the chemical structure of bio-oils from COS and SO pyrolysis. Elemental-composition and physical-property analyses further revealed that SO bio-oils were similar to gasoline and heavy fuel oil.

KEYWORDS:

Bio-oil; Lignocellulose; Microwave-assisted pyrolysis; Triacylglycerol

PMID:
30597473
DOI:
10.1016/j.scitotenv.2018.12.241
[Indexed for MEDLINE]

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