A Critical Investigation of Certificated Industrial Wood Pellet Combustion: Influence of Process Conditions on CO/CO 2 Emission

Bartosz Choiński, Ewa Szatyłowicz, Izabela Zgłobicka and Magdalena Joka Ylidiz ()
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Bartosz Choiński: Department of Agri-Food Engineering and Environmental Management, Faculty of Civil Engineering and Environmental Sciences, Białystok University of Technology, St. Wiejska 45A, 15-351 Bialystok, Poland
Ewa Szatyłowicz: Department of Technology in Environmental Engineering, Faculty of Civil Engineering and Environmental Sciences, Białystok University of Technology, St. Wiejska 45A, 15-351 Bialystok, Poland
Izabela Zgłobicka: Department of Materials Engineering and Production, Faculty of Mechanical Engineering, Białystok University of Technology, St. Wiejska 45A, 15-351 Bialystok, Poland
Magdalena Joka Ylidiz: Department of Agri-Food Engineering and Environmental Management, Faculty of Civil Engineering and Environmental Sciences, Białystok University of Technology, St. Wiejska 45A, 15-351 Bialystok, Poland

Energies, 2022, vol. 16, issue 1, 1-13

Abstract: The pollutants emission into the atmosphere is largely related to human activity and health, whereas, of many factors, domestic heating systems greatly impact the emission rate. The measures taken to reduce the emission of harmful compounds to the atmosphere are slowly starting to bring the intended effects and a downward trend in emissions of such gases as carbon monoxide (CO), nitrogen oxides (NO x ) , and sulfur dioxide (SO 2 ) is noticeable. The conducted tests allowed the determination of the combustion characteristics of individual pellet types available on the European market. During the tests, pellets were supplied to a 25 kW fixed-bed boiler with a constant mass flow of 3 kg·h −1 , and the air-flow ratio was manipulated and presented in the form of the excess air coefficient λ (1.8–3.08). Pellets certificated with the ENPlus as A1 were found not meeting the requirements, mainly in the ash content, which negatively affected their combustion performance gradually and caused exceeded CO emissions up to 1000 mg·Nm −3 . Pellets of declared lower classes were more beneficial for combustion in terms of emission factors.

Keywords: wood pellet; combustion; carbon monoxide emission; pellet certification (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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