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Vol. 26 No. 22 (2014): Vol 26 Issue 22

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Microwave-Assisted Extraction of Organic Compounds from Yanan Coal at Room Temperature

https://doi.org/10.14233/ajchem.2014.16971
T. Liu
School of Chemistry & Chemical Engineering, Xuzhou Institute of Technology, Xuzhou 221111, Jiangsu Province, P.R. China
Y.L. Peng
School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221111, Jiangsu Province, P.R. China
J.H. Hou
School of Food (Biology) Engineering, Xuzhou Institute of Technology, Xuzhou 221111, Jiangsu Province, P.R. China

Corresponding Author(s) : T. Liu

liutongcumt@126.com

Asian Journal of Chemistry, Vol. 26 No. 22 (2014): Vol 26 Issue 22

Abstract

Yanan coal was sequentially extracted with petroleum ether, carbon disulfide, methanol and acetone at room temperature under microwave irradiation condition, affording extracts 1 to 4 (F1 to F4). In total, 105 organic compounds were identified from yanan coal by gas chromatography/mass spectrometry analysis, especially, 60 organic compounds were detected in carbon disulfide extracts (F2). The organic compounds include 17 alcohols, 19 esters, 23 arenes, 9 acids, 8 heteroatom-containing organic compounds, 5 aldehydes, 5 ketones, 2 organic iodines and other organic compounds. The experiment provides an essential and effective approach investigations of coal composition and structure in separable and nondestructive methods.

Keywords

Yanan coal Microwave irradiation Organic compounds GC/MS
Liu, T., Peng, Y., & Hou, J. (2014). Microwave-Assisted Extraction of Organic Compounds from Yanan Coal at Room Temperature. Asian Journal of Chemistry, 26(22), 7611–7615. https://doi.org/10.14233/ajchem.2014.16971
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