Приказ основних података о документу
Heterogeneously catalysed ethanolysis of sunflower oil in the presence of propylene glycol, ethyl acetate and diethyl ether as cosolvents
Heterogeno katalizovana etanoliza suncokretovog ulja u prisustvu polietilen glikola, etil acetata i dietil etra kao kosolvenata
dc.creator | Đokić-Stojanović, Dušica R. | |
dc.creator | Todorović, Zoran B. | |
dc.creator | Troter, Dragan Z. | |
dc.creator | Todorović, Vanja | |
dc.creator | Đorđević, Biljana S. | |
dc.creator | Stamenković, Olivera S. | |
dc.creator | Veljković, Vlada B. | |
dc.date.accessioned | 2019-09-02T11:50:28Z | |
dc.date.available | 2019-09-02T11:50:28Z | |
dc.date.issued | 2016 | |
dc.identifier.issn | 2406-2979 | |
dc.identifier.uri | https://farfar.pharmacy.bg.ac.rs/handle/123456789/2531 | |
dc.description.abstract | A heterogeneous reaction process using propylene glycol (PEG), ethyl acetate and diethyl ether as cosolvents for the transesterification of sunflower oil with ethanol in the presence of calcium oxide as a catalyst has been developed. Significant results were obtained with propylene glycol as a cosolvent. Under determined reaction conditions (CaO concentration, based on the oil weight 1.3736 mol∙dm-3; temperature 70°C; and ethanol-to-oil molar ratio 12:1), the conversion of sunflower oil to fatty acid ethyl esters (FAEE) exceeded 98% after 120 min, which was 2 times faster than transesterification of sunflower oil without a cosolvent. After initially enhanced ethanolysis, after 180 min ethyl acetate and diethyl ether negatively influenced the reaction rate and the FAEE yield. | en |
dc.description.abstract | U radu je opisana heterogena transesterifikacija suncokretovog ulja sa etanolom i kalcijum oksidom kao katalizatorom u prisustvu polietilen glikola (PEG), etil acetata i dietil etra kao kosolvenata. Najpovoljniji rezultati su dobijeni sa polietilen glikolom kao kosolventom gde je, pod određenim reakcionim uslovima (koncentracija CaO, računata u odnosu na masu ulja 1.3736 mol∙dm-3, temperatura 70°C i molarni odnos etanol:ulje 12:1), konverzija suncokretovog ulja u etil estre masnih kiselina (FAEE) dostigla vrednost od 98% nakon 120 minuta, što je 2 puta brže od transesterifikacije suncokretovog ulja bez prisustva kosolventa. Etil acetat i dietil etar poboljšavaju reakciju etanolize na početku, ali, kako reakcija napreduje, posle 180 minuta, njihovo prisustvo u reakcionoj smeši negativno utiče na brzinu reakcije i prinos etil estrara masnih kiselina (FAEE). | sr |
dc.publisher | Univerzitet u Nišu - Tehnološki fakultet, Leskovac | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45001/RS// | |
dc.rights | openAccess | |
dc.source | Advanced Technologies | |
dc.subject | biodiesel | en |
dc.subject | ethanolysis | en |
dc.subject | sunflower oil | en |
dc.subject | calcium oxide | en |
dc.subject | catalyst | en |
dc.subject | cosolvents | en |
dc.subject | biodizel | sr |
dc.subject | etanoliza | sr |
dc.subject | suncokretovo ulje | sr |
dc.subject | kalcijum-oksid | sr |
dc.subject | katalizator | sr |
dc.subject | kosolventi | sr |
dc.title | Heterogeneously catalysed ethanolysis of sunflower oil in the presence of propylene glycol, ethyl acetate and diethyl ether as cosolvents | en |
dc.title | Heterogeno katalizovana etanoliza suncokretovog ulja u prisustvu polietilen glikola, etil acetata i dietil etra kao kosolvenata | sr |
dc.type | article | |
dc.rights.license | ARR | |
dcterms.abstract | Тодоровић, Вања; Стаменковић, Оливера С.; Ђорђевић, Биљана С.; Ђокић-Стојановић, Душица Р.; Тротер, Драган З.; Тодоровић, Зоран Б.; Вељковић, Влада Б.; Хетерогено катализована етанолиза сунцокретовог уља у присуству полиетилен гликола, етил ацетата и диетил етра као косолвената; Хетерогено катализована етанолиза сунцокретовог уља у присуству полиетилен гликола, етил ацетата и диетил етра као косолвената; | |
dc.citation.volume | 5 | |
dc.citation.issue | 1 | |
dc.citation.spage | 66 | |
dc.citation.epage | 72 | |
dc.citation.other | 5(1): 66-72 | |
dc.citation.rank | M52 | |
dc.identifier.doi | 10.5937/savteh1601066D | |
dc.identifier.fulltext | https://farfar.pharmacy.bg.ac.rs//bitstream/id/1205/2529.pdf | |
dc.type.version | publishedVersion |