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Energy Sources, Part A: Recovery, Utilization, and Environmental Effects Volume 35, 2013 - Issue 15
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Original Articles

Quantitative Measurement of Coal Bio-solubilization by Ultraviolet-visible Spectroscopy

K. Y. Shi Key Laboratory of Clean Coal Processing and Efficient Utilization, Ministry of Education in China, School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou, China; Department of Chemistry and Chemical Engineering, Liupanshui Normal University, Liupanshui, Guizhou, China
,
S. D. Yin Centre for Environmental Engineering Research & Education, Schulich School of Engineering, University of Calgary, Calgary, Alberta, Canada
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X. X. Tao Key Laboratory of Clean Coal Processing and Efficient Utilization, Ministry of Education in China, School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou, China
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Y. Du Key Laboratory of Clean Coal Processing and Efficient Utilization, Ministry of Education in China, School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou, China
,
H. He Key Laboratory of Clean Coal Processing and Efficient Utilization, Ministry of Education in China, School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou, China
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Z. P. Lv Key Laboratory of Clean Coal Processing and Efficient Utilization, Ministry of Education in China, School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou, China
&
N. Xu Department of Chemistry & Biology, Suzhou College, Suzhou, China
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Pages 1456-1462 | Received 03 Aug 2010, Accepted 03 Sep 2010, Published online: 26 Jun 2013
 
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Abstract

This study developed mathematic models to convert ultraviolet-visible absorbance (UV/Vis) of bio-solublized coal to conversion ratios. By a mathematic regression method, the results showed that they had strong linear relationships. The highest correlation coefficient (0.99531) of the linear relationship between UV/Vis absorbance and coal bio-solubilization ratios was obtained at the wavelength of 513 nm. The high correlation coefficient further indicated that the use of UV/Vis with the proposed mathematic model would be an easier, quicker, and more accurate measurement, as compared with the conventional measurement of weighing coal loss after bio-solubilization.

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