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dc.creatorPavlović, Stefan
dc.creatorKosić, Višnja
dc.creatorMarinković, Dalibor
dc.creatorKostić, Milan
dc.date.accessioned2022-09-26T12:10:50Z
dc.date.available2022-09-26T12:10:50Z
dc.date.issued2022
dc.identifier.urihttps://cer.ihtm.bg.ac.rs/handle/123456789/5307
dc.description.abstractThe waste fractionated chicken eggshell catalysts were utilized and used in biodiesel production from off-grade sunflower oil. It is confirmed that thermal modification treatment was suitable for conversion of calcite form of eggshell into lime. Fractionation was carried out in the wide particle diameter range from 20 μm. to 100 μm. It is shown that the highest catalytic activity (fatty acid methyl esters content-FAME >96%) was achieved using catalyst obtained from powder faction of >45<63 μm. Important differences in catalytic activity were observed for the boundary fractions (<20 μm, >20<36 μm, and >100 μm), where catalytic activity was greatly reduced. Such behaviour could be explained by mercury intrusion porosimetry results, which indicate the existence of apparent porosity (interparticle and intraparticle) in the mentioned boundary fractions, while in the central fraction (>45<63 μm) the porosity is constant. A poorly-developed system of pores and channels leads to difficult diffusion and inadequate distribution of active centres.sr
dc.language.isoensr
dc.relationinfo:eu-repo/grantAgreement/MESTD/inst-2020/200026/RS//sr
dc.rightsopenAccesssr
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceProceedings - 2nd International Conference On Green Energy And Environmental Technologysr
dc.subjectwaste chicken eggshellsr
dc.subjectbiodieselsr
dc.subjectbiofuel catalystssr
dc.subjectoff-grade sunflower oilsr
dc.titleBiodiesel Production From Off-Grade Oil By Transesterification Over Differently Granulated Waste-Based CaO Catalystssr
dc.typeconferenceObjectsr
dc.rights.licenseBYsr
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_cer_5307
dc.identifier.fulltexthttp://cer.ihtm.bg.ac.rs/bitstream/id/22590/Pag.017-Pavlovic.pdf
dc.type.versionpublishedVersionsr


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Приказ основних података о документу