Simplified mathematical model of oxy-fuel combustion of municipal solid waste in the grate furnace: effect of different flue gas recirculation rates and comparison with conventional mode

• Autorzy: Copik Paulina , Szlęk Andrzej , Ditaranto Mario

Identyfikatory

DOI

10.24425/ather.2024.151233

• Języki publikacji: EN

Abstrakty

EN

Bioenergy carbon capture technology (BioCCS or BECCS) plays a key role in the European Green Deal, which aims to decarbonize industry and energy sectors, resulting in the production of energy with negative CO2 emissions. Due to the biogenic origin of carbon contained in municipal solid waste (MSW), the application of carbon capture in waste incineration plants can be classified as BioCCS. Thus, this technology has attracted scientists' attention recently since it reduces excessive waste and emissions of carbon dioxide. Currently, there are four incineration plants in the Netherlands, Norway and Japan, in which CO2 capture is implemented; however, they are based on the post-combustion technique since it is the most mature method and not requires many changes in the system. Nevertheless, the separation of CO2 from the flue gas flow, which contains mostly nitrogen, is complex and causes a large drop in the total performance of the system. Oxy-fuel combustion technology involves the replacement of air as an oxidizer into high purity oxygen and recirculated exhaust gas. As a result, CO2-rich gas is produced that is practically ready for capture. The main goal of the study is to develop a mathematical model of oxy-waste combustion to answer the research questions, such as how the composition of oxidant that is supplied to the process affects the combustion performance. The model includes all important processes taking place within the chamber, such as pyrolysis, char burnout and gas combustion over the grate. The results of the work will contribute to the development of oxy-waste incineration plants and will be useful for design purposes.

Słowa kluczowe

EN

oxy-fuel combustion; mathematical modelling; municipal solid waste; carbon capture

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN ; Komitet Termodynamiki i Spalania PAN
• Czasopismo: Archives of Thermodynamics
• Rocznik: 2024
• Tom: Vol. 45, no. 4
• Strony: 13--25
• Opis fizyczny: Bibliogr. 51 poz.

Twórcy

autor

Copik Paulina

• Department of Thermal Technology, Silesian University of Technology, Konarskiego 22, Gliwice 44-100, Poland

autor

Szlęk Andrzej

• Department of Thermal Technology, Silesian University of Technology, Konarskiego 22, Gliwice 44-100, Poland

autor

Ditaranto Mario

• SINTEF Energy Research, Sem Sælands vei 11, 7034 Trondheim, Norway

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