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In-situ Series Diffuse Reflection FTIR Used in Studying the Oxidation Process of Coal

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A comparison of in-situ series diffuse reflection Fourier transform infrared and non-series Fourier transform infrared in studying the conversion of functional groups in the process of coal oxidation is studied. It is found that non-series Fourier transform infrared could not monitor the changes of functional groups precisely while in-situ Fourier transform infrared can. In-situ Fourier transform infrared was also used to monitor the oxidation processes of low ranks of coal at low temperatures (30–220°C) and a series data was obtained. The variation regularity of six main functional groups was discussed and found that in-situ Fourier transform infrared would make it possible to reveal the mechanism of coal oxidation.
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Keywords: coal oxidation; functional groups; in-situ series Fourier transform infrared; low rank coal; reaction mechanism

Document Type: Research Article

Affiliations: 1: College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai, China 2: School of Safety Enginerring, China University of Mining and Technology, Xuzhou, China

Publication date: August 18, 2014

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