Torrefaction of spelt husks to upgrade its physicochemical properties
European Journal of Molecular & Clinical Medicine,
2020, Volume 7, Issue 11, Pages 5382-5396
Abstract
Biomass conversion to energy has taken centre stage to achieve net zero carbon footprint. Although its usage poses a significant challenge that needs to be addressed. In this study, torrefaction of spelt husk was carried out to improve its physicochemical properties for further utilization in the gasification system. The torrefaction process was carried out at 200, 250 and 300oC under a nitrogen environment at a residence time of 15, 30, 45 and 60 mins respectively. The results showed that the energy density (HHV) was increased with increasing torrefaction temperature as well as there was enhanced grindability which indicates the weakness in brittleness and fragility of the torrefied spelt husk which would otherwise facilitate storage and transportation.
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