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Research Article

Academia Journal of Scientific Research 7(10): 611-615, October 2019
DOI: 10.15413/ajsr.2019.0710
ISSN: 2315-7712
2019 Academia Publishing 

Abstract

 


Serious changing PAHs contents in Suncun coal through subcritical isopropyl ether/benzene pre-treatment
 

Accepted 22nd August, 2019

 
Zhen-Xue Liu*, Xiao-Wen Zhang, Xiao-Xuan Wei and Shi-Xue Zhou

College of Chemical and Environment Engineering, Shandong University of Science and Technology, Qingdao 266590, China.

 

In order to observe the changes of the polycyclic aromatic hydrocarbons (PAHs) contents Suncun coal was pre-treated with subcritical isopropyl ether/benzene. The raw and pre-treated coal samples were extracted using cyclohexane as the first step and thereafter, extracted using benzene as the second step. The extracts were analyzed by Gas Chromatograph-Mass Spectrometer (GC/MS), and twelve PAHs in extracts were quantitatively analyzed. The results indicated that according to the pre-treatments and the extracting solvents all the extracts yields and the contents of these PAHs in extracts were different, and the PAHs contents in all the extracts from pre-treated coals were much higher than the raw coal. Both isopropyl ether and benzene are common solvents used industrially and in the laboratory. These results indicate that new ideas are required to study the compositions, structure and the applications of coal, as well as, understanding the environmental impact of using coal. Further research is required to ascertain genuine coal.

Key words: Coal, subcritical, isopropyl ether, benzene, extract, PAHs, GC/MS.

This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Cite this article as:

Liu ZX, Zhang XW, Wei XX, Zhou SX (2019). Serious changing PAHs contents in Suncun coal through subcritical isopropyl ether/benzene pre-treatment. Acad. J. Sci. Res. 7(10): 611-615.

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