Technological parameters of epoxidation of sesame oil with performic acid

• Autorzy: Musik M. , Milchert E. , Malarczyk-Matusiak K.

Identyfikatory

DOI

10.2478/pjct-2018-0038

• Języki publikacji: EN

Abstrakty

EN

The course of epoxidation of sesame oil (SO) with performic acid formed „in situ” by the reaction of 30 wt% hydrogen peroxide and formic acid in the presence of sulfuric acid(VI) as a catalyst was studied. The most advantageous of the technological independent parameters of epoxidation are as follows: temperature 80°C, H₂O₂  C=C 3.5:1, HCOOH/C=C 0.8:1, amount of catalyst as H₂SO₄ /(H₂O₂ +HCOOH) 1 wt%, stirring speed at least 700 rpm, reaction time 6 h. The iodine number (IN), epoxy number (EN), a relative conversion to oxirane (RCO) and oxirane oxygen content (EOe) were determined every hour during the reaction. Under optimal conditions the sesame oil conversion amounted to 90.7%, the selectivity of transformation to epoxidized sesame oil was equal to 93.2%, EN = 0.34 mol/100 g, IN = 0.04 mol/100 g oil (10.2 g/100 g oil), a relative conversion to oxirane RCO = 84.6%, and oxirane oxygen content of EOe = 5.5%.

Słowa kluczowe

EN

sesame oil; epoxidation; performic acid; hydrogen peroxide

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2018
• Tom: Vol. 20, nr 3
• Strony: 53--59
• Opis fizyczny: Bibliogr. 32 poz., rys., tab.

Twórcy

autor

Musik M.

• West Pomeranian University of Technology Szczecin, Institute of Organic Chemical Technology, Faculty of Chemical Technology and Engineering, Pułaskiego 10, 70-322 Szczecin, Poland

autor

Milchert E.

• West Pomeranian University of Technology Szczecin, Institute of Organic Chemical Technology, Faculty of Chemical Technology and Engineering, Pułaskiego 10, 70-322 Szczecin, Poland

autor

Malarczyk-Matusiak K.

• West Pomeranian University of Technology Szczecin, Institute of Organic Chemical Technology, Faculty of Chemical Technology and Engineering, Pułaskiego 10, 70-322 Szczecin, Poland

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).