An Assessment of the Efficiency and Emissions of a Pellet Boiler Combusting Multiple Pellet Types

Marta Jach-Nocoń, Grzegorz Pełka, Wojciech Luboń, Tomasz Mirowski, Adam Nocoń and Przemysław Pachytel
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Marta Jach-Nocoń: Faculty of Earth Sciences, University of Silesia in Katowice, 60 Będzińska St., 41-200 Sosnowiec, Poland
Grzegorz Pełka: Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, 30 Mickiewicz Ave, 30-059 Cracow, Poland
Wojciech Luboń: Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, 30 Mickiewicz Ave, 30-059 Cracow, Poland
Tomasz Mirowski: Mineral and Energy Economic Research Institute, Polish Academy of Sciences, 7A Wybickiego St., 31-261 Cracow, Poland
Adam Nocoń: Faculty of Earth Sciences, University of Silesia in Katowice, 60 Będzińska St., 41-200 Sosnowiec, Poland
Przemysław Pachytel: Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, 30 Mickiewicz Ave, 30-059 Cracow, Poland

Energies, 2021, vol. 14, issue 15, 1-15

Abstract: With sustainable energy being the key to reaching climate neutrality, the utilization of non-wooden biomass is a necessity. This article compares the emissions and efficiency of combusting a number of types of agrobiomass and wood pellets. A comparison was made on a moving grate pellet burner mounted in a boiler, where flue gas had a vertical flow via two pass heat exchangers with turbulization elements. Tests were conducted on wood pellets (ENPlus), miscanthus straw pellets, sunflower husk pellets, and corn stover pellets. During combustion, both wood and miscanthus pellets met the PN-EN 303-5:2012 emission and efficiency requirements. Corn stover pellets met the requirement on the nominal capacity. Sunflower husk pellets are characterized by excessive CO and particulate matter emissions. Sunflower husk pellets were the most problematic fuel from the point of view of the results of this research. During combustion of the miscanthus straw pellets there was a need to decrease the nominal heating capacity due to ash sintering.

Keywords: agrobiomass pellets utilization; pellet boiler; pellet boiler emissions comparison; efficiency of pellet boiler (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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