Methylation of 2-methylnaphthalene over metal-impregnated mesoporous MCM-41 for the synthesis of 2,6-triad dimethylnaphthalene isomers

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dc.contributor.authorNiftaliyeva, Aysel.
dc.contributor.authorGüleç, Fatih.
dc.contributor.authorKaraduman, Ali.
dc.date.accessioned2020-03-26T20:15:12Z
dc.date.available2020-03-26T20:15:12Z
dc.date.issued2020
dc.departmentSelçuk Üniversitesi, Mühendislik Fakültesi, Kimya Mühendisliği Bölümüen_US
dc.description.abstract2,6-Dimethylnaphthalene (2,6-DMN) is one of the key intermediates for the production of polyethylene naphthalate (PEN), which demonstrates superior properties compared with the polyethylene terephthalate. However, the complex synthesis procedure of 2,6-DMN increases the production cost and decreases the commercialisation of PEN. In this study, selective synthesis of 2,6-triad DMN isomers (1,5-DMN, 1,6-DMN and 2,6-DMN) has been investigated by the methylation of 2-methylnaphthalene (2-MN) over mesoporous Cu/MCM-41 and Zr/MCM-41 zeolite catalysts. On the contrary of other DMN isomers, 2.6-triad isomers can effectively be converted to be profitable 2,6-DMN with an additional isomerisation reaction, which is a new approach to reach higher 2,6-DMN yield. The methylation reactions of 2-MN were investigated in a fixed-bed reactor at 400 degrees C and weight hourly space velocity of 1-3 h(-1). The results showed that the activity of MCM-41 on the methylation of 2-MN has been enhanced with the impregnation of Cu. The conversion increased from about 17% to 35 wt% with the impregnation of Cu. Similarly, the 2,6-triad DMN selectivity and 2,6-/2,7-DMN ratio reached the maximum level (48 wt% and 1.95, respectively) over Cu-impregnated MCM-41 zeolite catalyst.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey [TUBITAK]Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [112M297]en_US
dc.description.sponsorshipThis work was supported by The Scientific and Technological Research Council of Turkey [TUBITAK, Project No: 112M297].en_US
dc.identifier.citationNiftaliyeva, A., Güleç, F., Karaduman, A. (2020). Methylation of 2-methylnaphthalene Over Metal-Impregnated Mesoporous MCM-41 for the Synthesis of 2, 6-triad dimethylnaphthalene Isomers. Research on Chemical Intermediates, 46, 2403-2416.
dc.identifier.doi10.1007/s11164-020-04098-8en_US
dc.identifier.endpage2416
dc.identifier.issn0922-6168en_US
dc.identifier.issn1568-5675en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage2403
dc.identifier.urihttps://dx.doi.org/10.1007/s11164-020-04098-8
dc.identifier.urihttps://hdl.handle.net/20.500.12395/37999
dc.identifier.volume46
dc.identifier.wosWOS:000516124800002en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorNiftaliyeva, Aysel.
dc.language.isoenen_US
dc.publisherSPRINGERen_US
dc.relation.ispartofRESEARCH ON CHEMICAL INTERMEDIATESen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectMethylationen_US
dc.subject2-Methylnaphthaleneen_US
dc.subject2en_US
dc.subject6-Dimethylnaphthaleneen_US
dc.subject2en_US
dc.subject6-Triad DMNen_US
dc.subjectMCM-41en_US
dc.subjectPENen_US
dc.titleMethylation of 2-methylnaphthalene over metal-impregnated mesoporous MCM-41 for the synthesis of 2,6-triad dimethylnaphthalene isomersen_US
dc.typeArticleen_US

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