Blending coal char on the combustion profiles of fuel briquettes

The right cost of kerosene and cooking gas plus the erratic electric power supply has necessitated the investigation into a cheap and affordable source of fuel. In study, five set of briquettes prepared from some agricultural wastes were studied. Sawdust blend briquette took twenty six (26) minutes to boil two litres of water while the non-blended sawdust briquettes took thirty (30) minutes. Blending with coal char generally decreased the moisture content of the briquettes and increased the ash content (from3:14 to 13.98%) and shear stress (from 76.0 to 265.0 KN/M2) thereby increasing the residence time for combustibility.

Author(s): Elinge, C. M1., Itodo, A. U.1, Yusuf, H,1 Birnin – Yauri U. A.2, Mbongo, A. N3

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