Conversion of oils with high %FFAs values to biodiesel: One and two-step chemical reactions

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dc.authorid0000-0002-8698-7576en_US
dc.authorid0000-0002-9957-6266en_US
dc.contributor.authorDeviren, Halis
dc.contributor.authorÇılğın, Erdal
dc.date.accessioned2023-09-01T12:58:34Z
dc.date.available2023-09-01T12:58:34Z
dc.date.issued11.08.2023en_US
dc.departmentDicle Üniversitesi, Diyarbakır Teknik Bilimler Meslek Yüksekokulu, Motorlu Araçlar ve Ulaştırma Teknolojileri Bölümüen_US
dc.description.abstractIn this study, an attempt was made to convert turpentine oil (TO) into biodiesel using one and two step chemical processes. The %free fatty acids (FFAs) value of the supplied TO was determined to be 5.8% by the titration method. The TO was obtained from a company that extracts the oil using the cold press method and sells it for commercial purposes. If the FFA value of the oil is above 5%, the soap formed prevents the separation of methyl esters and glycerol. To observe this situation, without reducing the FFA value of the oil, an attempt was made to synthesize biodiesel (TOTB100) using only the transesterification process. Additionally, an attempt was made to synthesize biodiesel (TOETB100) from the same oil using esterification and transesterification processes. After the esterification process, the %FFAs value of the oil was determined to be 2.24% by the titration method, and it was then converted to biodiesel through the transesterification process. The samples synthesized through single and two step reactions, as well as the raw oil, exhibited a peak at 1461.1 cm-1 in the Fourier Transform Infrared Spectroscopy (FT-IR) spectra. However, only the TOETB100 sample exhibited a peak at 1438.8 cm-1 in the FT-IR spectrum. In the two-step chemical process, the conversion of triglycerides to fatty acid methyl esters resulted in an increase in absorption at 1438.8 cm-1 (methyl CH asymmetric bending) with an increase in the methyl ester ratio in the reaction medium. In summary, the peak at 1438.8 cm-1 has been chosen to track the quantity of the biodiesel synthesis reaction through the peaks obtained from FT-IR spectra. The peak has been indicated in various studies in the literature to be the most sensitive to changes in biodiesel concentrations.en_US
dc.identifier.citationDeviren, H. ve Çoğın, E. (2023). Conversion of oils with high %FFAs values to biodiesel: One and two-step chemical reactions. Presented at the 1 th International Izmir Congress on Life, Engineering, and Applied Sciences Proceedings Book, July, 29-31, 2023, İzmir.en_US
dc.identifier.endpage204en_US
dc.identifier.isbn978-625-6879-14-0
dc.identifier.startpage196en_US
dc.identifier.urihttps://hdl.handle.net/11468/12535
dc.institutionauthorDeviren, Halis
dc.institutionauthorÇılğın, Erdal
dc.language.isoenen_US
dc.publisherBZT Academy Publishing Houseen_US
dc.relation.ispartof1 th International Izmir Congress on Life, Engineering, and Applied Sciences Proceedings Book
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectBiodieselen_US
dc.subjectFFAsen_US
dc.subjectTransesterificationen_US
dc.subjectEsterificationen_US
dc.subjectFT-IRen_US
dc.subjectTerebinth oilen_US
dc.titleConversion of oils with high %FFAs values to biodiesel: One and two-step chemical reactionsen_US
dc.titleConversion of oils with high %FFAs values to biodiesel: One and two-step chemical reactions
dc.typeConference Objecten_US

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