Investigation of ash and combustion characteristics during co-combustion of coal and solid recovered fuel in a laboratory-scale combustor

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dc.contributor.authorPrismantoko, Adi
dc.contributor.authorKaruana, Feri
dc.contributor.authorPrayoga, Moch Zulfikar Eka
dc.contributor.authorDarmawan, Arif
dc.contributor.authorMuflikhun, Muhammad Akhsin
dc.contributor.authorSunyoto, Nimas Mayang Sabrina
dc.contributor.authorZhu, Mingming
dc.contributor.authorAziz, Muhammad
dc.contributor.authorHariana, Hariana
dc.date.accessioned2025-05-07T15:35:13Z
dc.date.available2025-05-07T15:35:13Z
dc.date.freetoread2025-05-07
dc.date.issued2025
dc.date.pubOnline2025-04-18
dc.description.abstractPopulation growth and limited landfill area increase the problems associated with municipal solid waste (MSW). The MSW conversion into solid recovered fuel (SRF) improves the calorific value which has the potential to be used as a power plant boiler fuel. This study investigates ash deposition and combustion characteristics during co-combustion of coal and SRF at various dosages (5, 10, 15, 20, and 25 wt%). Thermogravimetry analysis, preliminary risk assessment, and morphology analysis of ash deposits are comprehensively performed. The study reveals that based on combustion performance, SRF blends up to 20 wt% show slightly altered burnout temperatures compared to coal combustion, whereas, at 25 wt%, the combustion temperature increases significantly. On the initial risk assessment, the samples tested have a low to medium risk of slagging. Morphological observations show that fine, irregular, and unmelted particles dominate coal ash deposits, while SRF ash deposits are dominated by melted and agglomerated particles. The melted particles gradually increase as the dosage of SRF in the mixture increases. Low melting temperature element-rich particles start to be observed at doses higher than 10 wt%. At 25 wt% SRF blends, material degradation is observed with the presence of Cr in the ash deposit. Overall, co-combustion over 10 wt% SRF shows results that should be considered, particularly the increase in sintering ash that can cause problems in the boiler pipes. This study provides insight into the optimum dosage suitable for blending SRF and coal in power plant boilers.
dc.description.journalNameCombustion Science and Technology
dc.description.sponsorshipThis research was supported financially by the Renewable Energy Program of the Research Organization for Energy and Manufacture, National Research and Innovation Agency.
dc.format.extentpp. xx-xx
dc.identifier.citationPrismantoko A, Karuana F, Prayoga MZE, et al., (2025) Investigation of ash and combustion characteristics during co-combustion of coal and solid recovered fuel in a laboratory-scale combustor. Combustion Science and Technology, Volume ahead-of-print, Issue ahead-of-print, pp.
dc.identifier.eissn1563-521X
dc.identifier.elementsID672919
dc.identifier.issn0010-2202
dc.identifier.issueNoahead-of-print
dc.identifier.urihttps://doi.org/10.1080/00102202.2025.2492743
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23867
dc.identifier.volumeNoahead-of-print
dc.languageEnglish
dc.language.isoen
dc.publisherTaylor & Francis
dc.publisher.urihttps://www.tandfonline.com/doi/full/10.1080/00102202.2025.2492743
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subject4004 Chemical Engineering
dc.subject40 Engineering
dc.subjectEnergy
dc.titleInvestigation of ash and combustion characteristics during co-combustion of coal and solid recovered fuel in a laboratory-scale combustor
dc.typeArticle
dc.type.subtypeJournal Article
dcterms.dateAccepted2025-04-09

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