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2013•Energy Sources Part A Recovery Utilization and Environmental EffectsRequires access

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

Kaiyi Shi, Shulong Yin, X. X. Tao, Yi Du, Hu He, Zhengju Lv, N. Xu

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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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What this paper is about

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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OpenAlex reports 23 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available 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.

Key concepts: Absorbance, Correlation coefficient, Ultraviolet, Solubilization, Ultraviolet visible spectroscopy, Linear correlation, Coal, Linear regression

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