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Energies 2017, 10(6), 782; doi:10.3390/en10060782

Development of a Temperature Programmed Identification Technique to Characterize the Organic Sulphur Functional Groups in Coal

1
Department of Chemical Engineering, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore 54000, Pakistan
2
Department of Electrical Engineering, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore 54000, Pakistan
3
Centre for Coal Technology, University of the Punjab, Lahore 54000, Pakistan
4
Department of Chemical Engineering, NFC Institute of Engineering and Fertilizer Research, Faisalabad 38000, Pakistan
5
Department of Mechanical and Process Engineering, University of Sheffield, Sheffield S10 2TN, UK
*
Authors to whom correspondence should be addressed.
Academic Editor: Mehrdad Massoudi
Received: 16 December 2016 / Revised: 9 May 2017 / Accepted: 11 May 2017 / Published: 6 June 2017
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Abstract

The Temperature Programmed Reduction (TPR) technique is employed for the characterisation of various organic sulphur functional groups in coal. The TPR technique is modified into the Temperature Programmed Identification technique to investigate whether this method can detect various functional groups corresponding to their reduction temperatures. Ollerton, Harworth, Silverdale, Prince of Wales coal and Mequinenza lignite were chosen for this study. High pressure oxydesulphurisation of the coal samples was also done. The characterization of various organic sulphur functional groups present in untreated and treated coal by the TPR method and later by the TPI method confirmed that these methods can identify the organic sulphur groups in coal and that the results based on total sulphur are comparable with those provided by standard analytical techniques. The analysis of the untreated and treated coal samples showed that the structural changes in the organic sulphur matrix due to a reaction can be determined. View Full-Text
Keywords: oxydesulphurisation; coal; characterization; organic sulphur oxydesulphurisation; coal; characterization; organic sulphur
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Ghauri, M.; Shahzad, K.; Khurram, M.S.; Jaffery, M.H.; Ali, N.; Khan, W.A.; Cliffe, K.R. Development of a Temperature Programmed Identification Technique to Characterize the Organic Sulphur Functional Groups in Coal. Energies 2017, 10, 782.

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