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Numerical study of co-firing lignite and agricultural biomass in utility boiler under variable operation conditions
dc.creator | Milićević, Aleksandar | |
dc.creator | Belošević, Srđan | |
dc.creator | Crnomarković, Nenad Đ. | |
dc.creator | Tomanović, Ivan D. | |
dc.creator | Stojanović, Andrijana D. | |
dc.creator | Tucaković, Dragan | |
dc.creator | Lei Deng | |
dc.creator | Che, Defu | |
dc.date.accessioned | 2021-11-15T11:48:14Z | |
dc.date.available | 2021-11-15T11:48:14Z | |
dc.date.issued | 2021 | |
dc.identifier.issn | 0017-9310 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/9916 | |
dc.description.abstract | The co-combustion of biomass and coal in a utility boiler could provide cleaner power production and ensure sustainable utilization of the solid fuels. This paper aims to numerically investigate complex processes in the tangentially-fired 900 MWth boiler furnace during direct co-firing of lignite and biomass with 10% thermal share of agricultural residues (wheat straw, corn straw and soybean straw) under variable boiler loads (100%, 85% and 70%). Simulations are conducted by means of in-house developed computer code, supported by the specially designed user-friendly graphical interface. Co-firing of agricultural residues provides lower pollutant emissions, somewhat higher furnace exit gas temperature and increase in unburnt carbon in bottom/fly ash, compared to the lignite combustion without biomass. Soybean is found to be the most suitable for co-firing regarding its ash melting point, however due to its abundance and availability the wheat straw is selected for this study. Co-combustion at partial boiler loads results in reduction of NOx and SOx up to 34% and 9.5%, respectively. Burners arrangement and furnace aerodynamics affect the abatement of pollutants. This study may help the global efforts in fighting the climate change, efficiently and cost-effectively, thus offering considerable economic and social benefits. | en |
dc.language.iso | en | |
dc.relation | Ministry of Education, Science and Technological Development of the Republic of Serbia | |
dc.rights | restrictedAccess | |
dc.source | International Journal of Heat and Mass Transfer | |
dc.subject | boiler furnace | en |
dc.subject | co-firing | en |
dc.subject | fuel flexibility | en |
dc.subject | in-house software | en |
dc.subject | numerical analysis | en |
dc.subject | variable load | en |
dc.title | Numerical study of co-firing lignite and agricultural biomass in utility boiler under variable operation conditions | en |
dc.type | article | en |
dc.rights.license | ARR | |
dc.rights.holder | © 2021 Elsevier Ltd | |
dc.citation.volume | 181 | |
dc.citation.spage | 121728 | |
dc.identifier.wos | 000706761800004 | |
dc.identifier.doi | 10.1016/j.ijheatmasstransfer.2021.121728 | |
dc.citation.rank | aM21 | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-85114039962 |
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