Ekstrakcija glicerola iz biodizela sintetiziranog iz životinjskih masnoća

undergraduate thesis

• Title (english): Extraction of glycerol from animal fat-based biodiesel
• Author: Valentina Travančić
• Mentor: Aleksandra Sander (mentor)
• Committee member: Aleksandra Sander (predsjednik povjerenstva)
• Committee member: Jasna Prlić Kardum (član povjerenstva)
• Committee member: Vesna Tomašić (član povjerenstva)
• Granter: University of Zagreb; Faculty of Chemical Engineering and Technology; Zagreb
• Defense date and country: 2016-07-13, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Chemical Engineering; Mechanical, Thermal and Separation Processes

Abstract

Ovisnost ljudi o energiji mijenjala se kroz povijest, kako su se otkrivali pojedini izvori energije. U današnje vrijeme svi gospodarski sektori, a posebice prometni sektor u najvećoj mjeri ovise o fosilnim gorivima. Međutim, emisije plinova koji nastaju izgaranjem fosilnih goriva nepovoljno utječu na okoliš i sva živa bića. Kako bi se smanjila ovisnost o fosilnim gorivima kao i reducirale štetne emisije fosilna je goriva potrebno zamijeniti alternativnim. Najčešće korišteno alternativno gorivo je biodizel, koji se komercijalno proizvodi u najvećoj mjeri iz biljnih ulja. U ovom je istražena mogućnost sinteze biodizela iz otpadnih životinjskih masti (teleći loj i gušćja mast) homogenom kemijskom transesterifikacijom. Sirovi biodizel pročišćen je procesom ekstrakcije pomoću ekološki prihvatljivih eutektičkih otapala. Ekstrakcija je provedena pomoću tri eutektička otapala na bazi kolin klorida. Na temelju dobivenih rezultata odabrano je najučinkovitije otapalo za ekstrakciju zaostalog glicerila iz sirovog biodizela.

Abstract (english)

Dependance of people on energy have been changing throughout history along with discovery of new energy sources. Nowdays, all economic sectors, especially transport sector, depends largely on fossil fuels. However, gas emissions, which are result of fossil fuel combustion, adversely affects environment and all living beings. To reduce dependance on fossil fuels and also to reduce greenhouse gas emissions, fossil fuels must be replaced by alternative fuels. Biodiesel is most commonly used alternative fuel, which is produced largely from vegetable oils. In this case, the possibility synthesis of biodiesel from animal fat ( calf fat and goose fat) with homogeneous catalyzed tranasesterification has been investigated. Raw biodiesel has been refined with extraction by enviromentally friendly eutectic solvents. Extraction has been carried outwith three solvents based on choline chloride. Based on the obtained results, the most effective solvent for extraction of glycerol from raw biodieselis selected.

• Keywords: biodizel; ekstrakcija; eutektička otapala; transesterifikacija; životinjske masti
• Keywords (english): biodiesel; extraction; eutectic solvents; transesterification; animal fat
• Language: croatian
• URN:NBN: urn:nbn:hr:149:775443
• Study programme: Title: Chemical Engineering - Undergraduate study; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka kemijskog inženjerstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka kemijskog inženjerstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2017-12-11 10:49:10