High Pressure Oxydesulphurisation of Coal—A Parametric Study

Moinuddin Ghauri, Abrar Inayat, Muhammad Tariq Bashir, Salmiaton B. Ali and Keith R. Cliffe
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Moinuddin Ghauri: Department of Chemical Engineering, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, 54000 Lahore, Pakistan
Abrar Inayat: Department of Chemical Engineering, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, 54000 Lahore, Pakistan
Muhammad Tariq Bashir: Department of Chemical and Environmental Engineering, Universiti Putra Malaysia, Selangor 43400, Malaysia
Salmiaton B. Ali: Department of Chemical and Environmental Engineering, Universiti Putra Malaysia, Selangor 43400, Malaysia
Keith R. Cliffe: Department of Mechanical and Process Engineering, University of Sheffield, South Yorkshire S10 2TN, UK

Energies, 2013, vol. 6, issue 4, 1-14

Abstract: The current study is focused on controlling sulphur emissions by pre-treating coal to remove sulphur prior to combustion using the oxydesulphurisation technique. Three British coals were chosen for the study. Working with these coals gave a better insight to the oxydesulphurisation reactions for pyritic and organic sulphur. Effect of air and oxygen pressure in a fixed time interval on sulphur removal was studied by series of experimental runs at various temperatures. Heating value recoveries were significant. Increase in oxygen content is reported as a measure of carbon loss. The coal samples were analyzed according to British standard methods. Experimental results demonstrate that the sulphur removal was enhanced with the increase in air pressure, particularly up to 100 bars, with only a small decrease in calorific value at a particular temperature. Increasing temperature was witnessed to be more important in sulphur removal than increasing pressure.

Keywords: oxydesulphurisation; coal; pyritic sulphur; 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: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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