Abstract

Pyrolysis of East Khoot coal was carried out at different heating temperatures and yields of solid, liquid and gaseous products were determined. It was discovered that the optimal heating temperature is 500-550°C. Raw coal from the East Khoot deposit and pyrolysed coal samples were analysed for ash content and composition. The results of proximate, ultimate and petrographic analysis confirm that the East Khoot coal is a low-grade (B2) brown coal. The porosity of raw coal, char of pyrolysed coal and activated carbon of pyrolysed char was determined by means of scanning electron microscopes. The liquid tar product of pyrolysed East Khoot coal was investigated using Fourier transform infrared spectroscopy and its liquid tar pyrolysis product by means of GC/MS chromatography.

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