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High Pressure Oxydesulphurisation of Coal Using KMnO4—Effect of Coal Slurry Concentration, pH and Alkali

doi: 10.3390/en9040289
handle: 10919/79263
A high pressure oxydesulphurisation technique was investigated to reduce sulphur content, especially at ambient temperature. Prince of Wales coal was chosen for this study. The focus of the study was on the reduction of both pyritic and organic sulphur. The effects of pressure, coal slurry concentration, pH and KOH concentration in a fixed time interval on sulphur removal were studied with a series of experimental runs at ambient temperature. Heating value recovery was found to be increased with decreased pressure and with increased coal slurry concentration. It was found that sulphur removal was enhanced with an increase in pressure, with a more significant effect on the organic sulphur. With increase in the coal slurry concentration reduction, sulphur was found to be decreased.
- University of the Punjab Pakistan
- Virginia Tech United States
- COMSATS University Islamabad Pakistan
- University of Sheffield (Dept. Computer Science) United Kingdom
- Universidad de Ingeniería y Tecnología Peru
coal, Technology, oxydesulphurisation, T, pyritic sulphur, organic sulphur, KMnO4, oxydesulphurisation; coal; pyritic sulphur; organic sulphur; KMnO<sub>4</sub>
coal, Technology, oxydesulphurisation, T, pyritic sulphur, organic sulphur, KMnO4, oxydesulphurisation; coal; pyritic sulphur; organic sulphur; KMnO<sub>4</sub>
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