Synthesis of biolubricants using sulfated zirconia catalysts

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dc.contributor.authorOh, Jinhoko
dc.contributor.authorYang, Sungeunko
dc.contributor.authorKim, Chanyeonko
dc.contributor.authorChoi, Inchangko
dc.contributor.authorKim, Jae Hyunko
dc.contributor.authorLee, Hyunjooko
dc.date.accessioned2015-11-20T12:39:23Z-
dc.date.available2015-11-20T12:39:23Z-
dc.date.created2014-03-07-
dc.date.created2014-03-07-
dc.date.issued2013-03-
dc.identifier.citationAPPLIED CATALYSIS A-GENERAL, v.455, pp.164 - 171-
dc.identifier.issn0926-860X-
dc.identifier.urihttp://hdl.handle.net/10203/201616-
dc.description.abstractSynthesis of biomass-derived lubricants via esterification, transesterification, and simultaneous reactions of both was studied by using sulfated zirconia catalysts. Soybean oil or free fatty acids derived from soybean oil were used as a biomass-derived resource for the synthesis of biolubricants. Long chain alcohols (carbon number >= 8) or neo-polyols (e.g., 2,2-diethyl-1,3-propanediol, trimethylol propane, pentaerythritol) were used as co-reactants. The structure of the alcohol significantly affected the conversion and yield for the esterification with oleic acid. The esters produced showed kinematic viscosity and viscosity index comparable to commercial lubricants. Various sulfated zirconia catalysts were prepared and were characterized by X-ray diffraction, NH3 temperature-programmed desorption, Brunauer-Emmett-Teller isotherm, and tested for esterification. The type of zirconium precursor demonstrated a significant effect on the physical property of the catalyst and its catalytic activity. Interestingly, esters with fully saturated hydrocarbon chains were synthesized from unsaturated free fatty acids regardless of the absence of hydrogen gas. The sulfated zirconia could be recycled for up to five repeated reactions without any degradation. The effects of reaction time and temperature were also investigated. (c) 2013 Elsevier B.V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE BV-
dc.subjectSOLID-ACID CATALYSTS-
dc.subjectBIODIESEL PRODUCTION-
dc.subjectVEGETABLE-OIL-
dc.subjectFATTY-ACIDS-
dc.subjectTRANSESTERIFICATION-
dc.subjectESTERIFICATION-
dc.subjectLUBRICANTS-
dc.subjectHYDROLYSIS-
dc.subjectREACTIVITY-
dc.subjectALCOHOLS-
dc.titleSynthesis of biolubricants using sulfated zirconia catalysts-
dc.typeArticle-
dc.identifier.wosid000318391500020-
dc.identifier.scopusid2-s2.0-84875990879-
dc.type.rimsART-
dc.citation.volume455-
dc.citation.beginningpage164-
dc.citation.endingpage171-
dc.citation.publicationnameAPPLIED CATALYSIS A-GENERAL-
dc.identifier.doi10.1016/j.apcata.2013.01.032-
dc.contributor.localauthorLee, Hyunjoo-
dc.contributor.nonIdAuthorOh, Jinho-
dc.contributor.nonIdAuthorYang, Sungeun-
dc.contributor.nonIdAuthorKim, Chanyeon-
dc.contributor.nonIdAuthorChoi, Inchang-
dc.contributor.nonIdAuthorKim, Jae Hyun-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorBiomass-
dc.subject.keywordAuthorBiolubricants-
dc.subject.keywordAuthorTransesterification-
dc.subject.keywordAuthorEsterification-
dc.subject.keywordAuthorSulfated zirconia-
dc.subject.keywordPlusSOLID-ACID CATALYSTS-
dc.subject.keywordPlusBIODIESEL PRODUCTION-
dc.subject.keywordPlusVEGETABLE-OIL-
dc.subject.keywordPlusFATTY-ACIDS-
dc.subject.keywordPlusTRANSESTERIFICATION-
dc.subject.keywordPlusESTERIFICATION-
dc.subject.keywordPlusLUBRICANTS-
dc.subject.keywordPlusHYDROLYSIS-
dc.subject.keywordPlusREACTIVITY-
dc.subject.keywordPlusALCOHOLS-
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