Concentration of Nitrogen Oxides when Burning Wood Pellets of Various Origins

Ciupek, Bartosz; Gołoś, Karol

doi:10.12911/22998993/123121

Cited by 8 publications

(5 citation statements)

References 4 publications

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“…As a result of burning coniferous wood, we note lower nitrogen oxide emissions compared to hardwood. This fact is confirmed by the results of emissions into the atmosphere of 30% less nitrogen oxides during the combustion of coniferous pellets compared to hardwood pellets [57].…”

Section: Results Of Calorimetric and Thermogravimetric Testssupporting

confidence: 59%

“…During the combustion of hardwood pellets, scientists recorded NO x emissions to the atmosphere at a level of 265.86 mg•m −3 . However, when burning pine pellets, the emission was significantly lower and amounted to 184.83 mg•m −3 [57]. Polonini et al [63] studied the emission of pollutants in the form of CO and NO x during the combustion of ENplus-certified pellets.…”

Section: Results Of Calorimetric and Thermogravimetric Testsmentioning

confidence: 99%

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Biomass from Green Areas and Its Use for Energy Purposes

et al. 2023

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In the current situation, fossil fuels are the primary source for electricity production. As a result of activities related to environmental protection, other sources are also used to produce energy. One of the renewable sources is biomass, which is becoming more and more popular for economic reasons. Biomass produced in green areas is a source of energy that has not been used in an appropriate way so far. This scientific article presents the possibility of using biomass from parks and gardens for the production of pellets and the assessment of their properties in terms of the possibility of using them for energy purposes. Coniferous sawdust was an additional component of the pellets. The produced pellets were tested for mechanical, thermogravimetric, and calorimetric properties. It was found that pellets made of biomass consisting of fir (493.12 N) and pine (450.84 N) cones with an addition of coniferous sawdust were the most resistant to mechanical damage. The amount of ash in the analyzed pellets was below 3%, and their calorific value ranged from 16.95 to 19.54 MJ·kg−1. Additionally, during pellet combustion, the lowest emission of sulfur dioxide was recorded for pellets made of sawdust from coniferous trees and acorns (1.01 mg·m3), while the lowest emission of nitrogen oxides was recorded for pellets made of a mixture of coniferous sawdust and pinecones (65.33 mg·m3). The emission of the tested gases decreased as a result of the addition of coniferous sawdust to the tested types of biomass. On the basis of the conducted research, it was noted that waste biomass formed in green areas can be a raw material for energy production.

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Section: Results Of Calorimetric and Thermogravimetric Testssupporting

confidence: 59%

Section: Results Of Calorimetric and Thermogravimetric Testsmentioning

confidence: 99%

Biomass from Green Areas and Its Use for Energy Purposes

et al. 2023

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“…The emission simulations were carried out for the oxygen content in the flue gas in the range 1% to 19.5% with the measurement resolution of 0.5%, compliant with the measurement accuracy of the most commonly applied oxygen sensors. The maximum content of O 2 in the flue gas on the level of 19.4% results from the Siegert stoichiometric equations for the combustion of biomass [Ciupek and Gołoś 2020].…”

Section: Resultsmentioning

confidence: 99%

Emission Models for Selected Harmful Substances Emitted During Low-Temperature Combustion of Wood Pellets

Ciupek,

Urbaniak,

Nocoń

2024

J. Ecol. Eng.

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The aim of the research was to develop mathematical models describing the emission of selected pollutants correlated with the residual oxygen content in the flue gas. The correlation was made for low-temperature combustion of wood pellets in biomass boilers and furnaces. The developed models can be used in modern control systems of boilers, furnaces or for precise calculation of emission factors for the discussed group of heating devices. The description was made for devices with a stationary wood pellet combustion process with a heat output range from 12 kW to 30 kW. The obtained models, not currently used in this group of devices, will allow controlling the operation of heating boilers in a sustainable and ecological way, taking into account the environmental burden.Keywords: emission, CO 2 , CO, NO x , SO 2 , C x H y , wood pellet, boiler.

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“…For many years, the authors of this paper have been researching the improvement of the emission and energy-related parameters in modern solid fuel heating boilers [7][8][9][10][11]. Unfortunately, the recently changing requirements as to the parameters of newly designed equipment do not result in a significant improvement of the air quality.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Low-Power Boilers Work on Real Heat Loads: A Case of Poland

et al. 2021

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The paper presents the methods of determination of the actual operation of solid fuel heating boilers in Poland. The analysis was based on an average annual distribution of the actual power outputs of the solid fuel heating boilers operated in four selected locations in Poland. Based on said data, three characteristic percent shares have been estimated of the nominal power outputs, at which the heating boilers in Poland operate throughout the year (divided into four characteristic portions—the seasons of the year). Additionally, for the analysis, the authors took into account the average annual temperature amplitude and the annual air quality information for the discussed locations and analyzed 30 solid fuel heating boilers in terms of their performance in the laboratory certification tests. In the final stage of the investigations, the authors initiated laboratory tests on the application of the combustion quality analyzers and their potential benefits.

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Concentration of Nitrogen Oxides when Burning Wood Pellets of Various Origins

Cited by 8 publications

References 4 publications

Biomass from Green Areas and Its Use for Energy Purposes

Biomass from Green Areas and Its Use for Energy Purposes

Emission Models for Selected Harmful Substances Emitted During Low-Temperature Combustion of Wood Pellets

Analysis of Low-Power Boilers Work on Real Heat Loads: A Case of Poland

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