Potential of baled cane residue for off-season fuel
1995
Jakeway, A.L. (Hawaiian Sugar Planters' Association (USA))
Cane residue (trash) left on the ground after the cane stalk harvest operation under noburn conditions is a potential source of biomass fuel for bagasse-fired boilers. Programs were conducted at various locations that assessed the viability of collecting and utilizing this resource. These investigations have quantified the amount of cane residue available in fields, the physical properties of cane residue as they relate to direct combustion as boiler fuel, and the operating characteristics of the harvest systems. The harvesters tested were balers which made big round bales or small square bales. The net calorific value (NCV) of cane residue is generally higher compared to bagasse owing mostly to reduced moisture content from sun-drying in the field. NCV for cane residue at 20 percent moisture (wet basis) and 10 percent ash (dry basis) was determined to be 12,600 kJ/kg. Production costs per heat energy unit are comparable to conventional fuel sources.
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