Energy Production by Biocoal Pellets in Boilers of Small Scale
Föhr, J., Lemponen, J-P., Soininen, H., Ranta, T.
The aim of the study was to evaluate the possibilities of the small scale energy use of biocoal pellets in heat production. A biocoal pellet is a new heating fuel for small scale energy production and there no experiences available about its consumer usage in Finland. The combustion of biocoal pellets was executed by laboratory facilities and practical experiments in the selected combustion target, by a larger boiler. The selection of the target was delimited to the suitable pellet-fired boiler. The combustion gases and emissions were measured by the laboratory equipment in all tests and the results were compared to traditional wood pellets. Biocoal was made of woodchips through torrefaction. Based on the combustion tests, the suitability of biocoal pellets was evaluated to the existing pellet-fired boilers. This study showed that torrefied pellets can be burned in the normal pellet boiler. As a result of these combustion tests, their suitability has now been confirmed by the boilers of a small scale when requiring less fuel consumption. However, more research is needed.
biomass, boiler, combustion, emissions, pellets, torrefaction
Biomass Conversion Technologies for Heating, Cooling and Electricity
Biomass combustion in large utilities
24th European Biomass Conference and Exhibition
788 - 791
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