A comparative study on the catalytic effect of H-ZSM5 on upgrading of pyrolysis vapors derived from lignocellulosic and proteinaceous biomass

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dc.contributor.authorLorenzetti, Chiara
dc.contributor.authorConti, Roberto
dc.contributor.authorFabbri, Daniele
dc.contributor.authorYanik, Jale
dc.date.accessioned2019-10-27T23:11:23Z
dc.date.available2019-10-27T23:11:23Z
dc.date.issued2016
dc.departmentEge Üniversitesien_US
dc.description.abstractThe upgrading of biomass pyrolysis vapors by zeolite cracking over H-ZSM5 (Si/Al 45, biomass:zeolite mass ratio 1: 10) was investigated by analytical (Py-GC-MS) and preparative pyrolysis. Pine sawdust, the microalgae Spirulina platensis, seaweed (Ulva sp.), and marine fish discard were selected as representative biomass with different composition, in particular protein content (from <1% to 55% d.w.). Py-GC-MS showed that the relative product distribution from zeolite cracking was dominated by alkylated benzenes, with minor levels of benzene and polycyclic aromatic hydrocarbons (PAHs) for all the samples, while the levels of nitrogen-containing compounds (N-CCs) increased with increasing biomass protein content. Preparative pyrolysis was conducted with a semi-batch system by treating the biomass at 460 degrees C. The evolved vapors were subjected to zeolite cracking at 460 degrees C, the yields of pyrolysis fractions (char, bio-oil, aqueous phase, volatiles, coke and gas) were quantified and compared with those determined in the absence of catalytic treatment (thermal pyrolysis). Due to the reactor configuration the yields of char formed from thermal and catalytic pyrolysis were similar, while the yield of bio-oil decreased considerably after zeolite cracking with a concomitant formation of coke (6-14%), water and volatiles, which was higher for the proteinaceous biomass. However, the bio-oils from catalytic pyrolysis were characterized by lower levels of nitrogen and oxygen, a higher carbon content and a GC-MS composition dominated by monoaromatic hydrocarbons (>60%), followed by PAHs (mostly naphthalene). The relative abundance of N-CCs in catalytic bio-oil was lower in comparison to Py-GC-MS suggesting that a fraction was distributed into the aqueous phase. In general, HZSM-5 exhibited a significant dehydration, deoxygenation and denitrogenation effect favoring the formation of a "gasoline-like" bio-oil even from a highly proteinaceous biomass. However, it also induced the formation of nitrogen-containing polyaromatic compounds, like carbazoles. (C) 2015 Elsevier Ltd. All rights reserved.en_US
dc.description.sponsorshipItalian Ministry of Economic Development of the program Agreement MISE-CNR "Ricerca di Sistema Elettrico"; Turkish Council of Higher EducationMinistry of National Education - Turkeyen_US
dc.description.sponsorshipThis research partially supported by the Italian Ministry of Economic Development of the program Agreement MISE-CNR "Ricerca di Sistema Elettrico". The authors would like to acknowledge Turkish Council of Higher Education for financially supporting of Dr. Jale Yanik.en_US
dc.identifier.doi10.1016/j.fuel.2015.10.051
dc.identifier.endpage452en_US
dc.identifier.issn0016-2361
dc.identifier.issn1873-7153
dc.identifier.issn0016-2361en_US
dc.identifier.issn1873-7153en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage446en_US
dc.identifier.urihttps://doi.org/10.1016/j.fuel.2015.10.051
dc.identifier.urihttps://hdl.handle.net/11454/53067
dc.identifier.volume166en_US
dc.identifier.wosWOS:000365627700055en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofFuelen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPyrolysisen_US
dc.subjectHZSM-5en_US
dc.subjectUpgradingen_US
dc.subjectBio-oilen_US
dc.titleA comparative study on the catalytic effect of H-ZSM5 on upgrading of pyrolysis vapors derived from lignocellulosic and proteinaceous biomassen_US
dc.typeArticleen_US

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