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dc.creatorNasreen, Sadia
dc.creatorLiu, Hui
dc.creatorQureshi, Liaqat Ali
dc.creatorSissou, Zakari
dc.creatorLukić, Ivana
dc.creatorSkala, Dejan
dc.date.accessioned2021-03-10T13:13:54Z
dc.date.available2021-03-10T13:13:54Z
dc.date.issued2016
dc.identifier.issn0378-3820
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/3433
dc.description.abstractA heterogeneous cerium-manganese oxide catalyst was synthesized by a co-precipitation method, characterized and tested in soybean oil transesterification with methanol under subcritical condition for methanol. Conversion of triglycerides after 40 min of transesterification in a batch process was over 99% with a fatty acid methyl ester (FAME) yield of 91.6% when 3 wt.% of catalyst based on oil, and 18:1 methanol/oil molar ratio were applied. The same amount of catalyst was used in 12 cycles of transesterification with catalyst regeneration performed only after the 7th cycle. The catalyst exhibited good tolerance toward soybean oil containing below 1.5 wt.% of water or 4 wt.% of free fatty acids. The mechanisms of Ce/Mn catalytic activity and its deactivation were discussed according to the characterization of the fresh and used catalyst according to results of different analytical methods: the Hammett titration, BET surface area, scanning electron microscopy with energy dispersive spectroscopy (SEM-EDS), FTIR, X-ray diffraction (XRD), ICP-MS and TG-DSC. It was assumed that deactivation of catalyst was mainly a consequence of manganese solubility in methanol and glycerol.en
dc.publisherElsevier Science Bv, Amsterdam
dc.relationInternational S&T Cooperation Program [2013DFG92250]
dc.relation"Program for New Century Excellent Talents of the Ministry of Education of China" [NCET-09-0713]
dc.rightsrestrictedAccess
dc.sourceFuel Processing Technology
dc.subjectBiodieselen
dc.subjectTransesterificationen
dc.subjectCe/Mnen
dc.subjectHeterogeneous catalysisen
dc.titleCerium-manganese oxide as catalyst for transesterification of soybean oil with subcritical methanolen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage84
dc.citation.other148: 76-84
dc.citation.rankM21
dc.citation.spage76
dc.citation.volume148
dc.identifier.doi10.1016/j.fuproc.2016.02.035
dc.identifier.scopus2-s2.0-84960101618
dc.identifier.wos000378181600010
dc.type.versionpublishedVersion


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