Particulate matter emission control from small residential boilers after biomass combustion. A review

Jaworek, A.; Sobczyk, Arkadiusz; Marchewicz, Artur; Krupa, A.; Czech, T.

doi:10.1016/j.rser.2020.110446

Cited by 61 publications

(14 citation statements)

References 47 publications

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“…Biomass had to meet quality and traceability standards to ensure that they did not become a source of large-scale pollution and therefore generate a severe impact on people with respiratory and cardiovascular conditions. The problems arising from particulate matter emissions in large biomass boilers could be solved by including electrostatic precipitators for cleaning and filtering the fuel gas, requiring a considerable amount of space for treatment that may not be foreseen in the project and an eventual cost increase [48].…”

Section: Discussionmentioning

confidence: 99%

A stochastic approach to feasibility analysis of boiler replacement in educational buildings in Extremadura (Spain)

2022

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Background Energy efficiency in buildings must be increased in order to reduce both energy intensity and greenhouse gas emissions. This study proposed the replacement of existing diesel boilers with biomass boilers, using four fuels (bulk pellets, wood chip, olive kernel and milled nutshell) to meet the energy demands of educational buildings in the region of Extremadura (Spain). High uncertainty surrounds biomass price prediction affecting the accuracy of economic feasibility analyses; thus, stochastic processes are suitable to support an improvement in the accuracy of predictions. The objective of the study is to demonstrate the feasibility of replacing diesel boilers with biomass boilers in order to revalorize agroforestry residues. Results A stochastic simulation of the feasibility of replacing oil-fired boilers with biomass-fired boilers was carried out in this research. Up to 20 million possible scenarios of 10 years of fuel price evolution were simulated by Monte Carlo method based on empirical price trends data. Regression models were built to relate Net Present Values with discount rates, whose statistical dependency was significant. Predictions on financial indicators showed biomass fuels as the most profitable investment, rather than fuel oil. Specifically, in this study, milled nutshell was found the most profitable fuel in the simulation runs, with Net Present Value = 27,151.09 € (standard deviation = 7939.88 €) and Internal Rate of Return = 16.9% (standard deviation = 3.4%). Conclusions Continuing to use oil-fired boilers costs more than the purchase and operation of new biomass-fired boilers, since the latter produce a higher cumulative cash flow than the initial investment within the next years. The payback period lies within the range of 4 to 6 years depending on the type of biomass fuel. Getting on the path to sustainability in education buildings can reduce up to 94.4% GHG emissions. This research contributes to promoting the use of low-emission fuels to meet the energy demand of educational buildings. Its results will have a positive effect in the region of Extremadura (Spain), as it boosts the appreciation of agro-industrial waste and economically strengthens the sector.

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Section: Discussionmentioning

confidence: 99%

A stochastic approach to feasibility analysis of boiler replacement in educational buildings in Extremadura (Spain)

2022

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“…This translates into low operating parameters of the heating boilers, such as high emission of pollutants and increased consumption of fuel. The currently known methods of reduction of particle emissions from the combustion of solid fuels in heating in the form of particle filters [17] allow a reduction of the emissions to the admissible level, but they do not act on the cause of the emission lying in the combustion process under actual conditions of operation.…”

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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“…Despite good results obtained with different ESP designs [20,23,[29][30][31][32], this technology is still emerging [33]. Domestic ESPs need to meet several requirements to make them viable.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study of the Performance of a Laboratory-Scale ESP with Biomass Combustion: Discharge Electrode Disposition, Dynamic Control Unit and Aging Effect

et al. 2021

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The increasing use of biomass combustion systems as household appliances for heat generation is causing concern about local air quality. Areas with high concentrations of particulate matter (PM) emissions are linked to health risks. There is a need for a removal device that collects the particles before they reach the atmosphere. Electrostatic precipitators (ESPs) are the most suitable option. In this study, a laboratory-scale prototype ESP was tested with a pellet boiler. Retention efficiencies above 90% were obtained with three different discharge electrode dispositions. The continuous operation of the ESP was achieved with a dynamic control system despite fluctuations in emissions, gas conditions, etc. The accumulation of particles on inner ESP surfaces over the operation time reduced the effectiveness of the electric field, and thus retention efficiency. In this study, the retention efficiency fell from 90% to 31% in 34 h.

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Particulate matter emission control from small residential boilers after biomass combustion. A review

Cited by 61 publications

References 47 publications

A stochastic approach to feasibility analysis of boiler replacement in educational buildings in Extremadura (Spain)

A stochastic approach to feasibility analysis of boiler replacement in educational buildings in Extremadura (Spain)

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

Experimental Study of the Performance of a Laboratory-Scale ESP with Biomass Combustion: Discharge Electrode Disposition, Dynamic Control Unit and Aging Effect

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