Abstract
Abstract The potential to produce a high calorific value bio coal from sugarcane bagasse for alternative use to coal (which is used for energy generation in the sugar industry) was investigated. Bagasse (being a lignocellulose waste material generated from sugar processing) has energy potential to produce eco-friendly bio coal. The bagasse was first dried to reduce the moisture content and then was subjected to carbonization at 250-400 oC for conversion of the bagasse to bio char. Bio char yield observed during torrefaction was 70%. The bio char was then ground to a 300 micron particle size sand, and then compacted to bio coal at 2-8MPa using molasses in the ratio 70:30. The bio coal had a calorific value of 28.2 MJ/kg, moisture content of 6.3%, fixed carbon of 74.6% and ash content of 1.4%. The properties of the bio coal make it makes it usable as an alternative to coal and can be re-integrated back into the sugar processing industry as a substitute to coal.
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