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

Moinuddin Ghauri, Khurram Shahzad, M. Shahzad Khurram, Mujtaba Hussain Jaffery, Najaf Ali, Waqar Ali Khan and Keith R. Cliffe
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Moinuddin Ghauri: Department of Chemical Engineering, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore 54000, Pakistan
Khurram Shahzad: Centre for Coal Technology, University of the Punjab, Lahore 54000, Pakistan
M. Shahzad Khurram: Department of Chemical Engineering, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore 54000, Pakistan
Mujtaba Hussain Jaffery: Department of Electrical Engineering, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore 54000, Pakistan
Najaf Ali: Department of Chemical Engineering, NFC Institute of Engineering and Fertilizer Research, Faisalabad 38000, Pakistan
Waqar Ali Khan: Department of Chemical Engineering, NFC Institute of Engineering and Fertilizer Research, Faisalabad 38000, Pakistan
Keith R. Cliffe: Department of Mechanical and Process Engineering, University of Sheffield, Sheffield S10 2TN, UK

Energies, 2017, vol. 10, issue 6, 1-17

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.

Keywords: oxydesulphurisation; coal; characterization; organic sulphur (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
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