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Numerical study of co-firing lignite and agricultural biomass in utility boiler under variable operation conditions
dc.creator | Milicević, Aleksandar | |
dc.creator | Belošević, Srđan V. | |
dc.creator | Crnomarković, Nenad | |
dc.creator | Tomanović, Ivan | |
dc.creator | Stojanović, Andrijana | |
dc.creator | Tucaković, Dragan | |
dc.creator | Deng, Lei | |
dc.creator | Che, Defu | |
dc.date.accessioned | 2022-09-19T19:12:58Z | |
dc.date.available | 2022-09-19T19:12:58Z | |
dc.date.issued | 2021 | |
dc.identifier.issn | 0017-9310 | |
dc.identifier.uri | https://machinery.mas.bg.ac.rs/handle/123456789/3491 | |
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 pro-cesses 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 vari-able boiler loads (100%, 85% and 70%). Simulations are conducted by means of in-house developed com-puter 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 aerody-namics affect the abatement of pollutants. This study may help the global effort s in fighting the climate change, efficiently and cost-effectively, thus offering considerable economic and social benefits. | en |
dc.publisher | Pergamon-Elsevier Science Ltd, Oxford | |
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 | variable load | en |
dc.subject | Numerical analysis | en |
dc.subject | in-house software | en |
dc.subject | fuel flexibility | en |
dc.subject | co-firing | en |
dc.subject | boiler furnace | en |
dc.title | Numerical study of co-firing lignite and agricultural biomass in utility boiler under variable operation conditions | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.other | 181: - | |
dc.citation.rank | M21 | |
dc.citation.volume | 181 | |
dc.identifier.doi | 10.1016/j.ijheatmasstransfer.2021.121728 | |
dc.identifier.scopus | 2-s2.0-85114039962 | |
dc.identifier.wos | 000706761800004 | |
dc.type.version | publishedVersion |