Evaluating the usability of bio coal from sugar cane bagasse as a solid fuel

Musaida M. Manyuchi, C. Mbohwa, Edison Muzenda

Research output: Contribution to journalConference articlepeer-review


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.

Original languageEnglish
Pages (from-to)516-521
Number of pages6
JournalProcedia Manufacturing
Publication statusPublished - 2019
Event16th Global Conference on Sustainable Manufacturing, GCSM 2018 - Lexington, United States
Duration: Oct 2 2018Oct 4 2018

All Science Journal Classification (ASJC) codes

  • Industrial and Manufacturing Engineering
  • Artificial Intelligence


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