Metanoliza suncokretovog ulja katalizovana modifikovanim CaO Naučni rad
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Metanoliza ulja u prisustvu katalizatora na bazi modifikovanog CaO proučavana je u cilju određivanja katalitičke aktivnosti novih katalizatora i definisanja odgovarajućeg kinetičkog modela. CaO je modifikovan komercijalnim glicerolom i eutektičkim rastvaračem (ES), holinhlorid : glicerolom (ChCl : Gly), da bi se dobili katalitički aktivni kompleksi CaO i glicerola. Cilj istraživanja bio je da se potvrdi katalitički uticaj dobijenih kompleksa na brzinu reakcije i sadržaj metilestara masnih kiselina (MEMK), a zatim opiše promena stepena konverzije triacilglicerola (TAG) sa vremenom. Na osnovu analize infracrvenom spektroskopijom sa Furijeovom (Fourier) transformacijom (engl. Fourier Transform Infrared Spectroscopy, FTIR) potvrđeno je formiranje kompleksa CaO sa glicerolom i ES na bazi glicerola. Metanoliza ulja izvedena je na 60 °C pri različitim količinama katalizatora (0,5; 1 i 5 %) i molskim odnosima methanol : ulje (6 : 1, 12 : 1). Rezultati analize pokazali su da kinetički parametri dva primenjena modela zavise od količine katalizatora i molskog odnosa methanol : ulje. Oba modela se mogu uspešno primeniti za opisivanje kinetike reakcija katalizovanih kompleksima CaO sa glicerolom (srednje relativno procentualno odstupanje je manje od 10 % u oba slučaja).
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Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja
Grant numbers 451-03-68/2022-14/200383;451-03-68/2022-14/200133.
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