1. JCCT
  2. Ch&ChT Vol. 19, No. 4, 2025
  3. The Effect of Triglyceride Transesterification Catalyst on the Sustainability Indicators

The Effect of Triglyceride Transesterification Catalyst on the Sustainability Indicators

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Yurii Melnyk1, Stepan Melnyk1, Halyna Mahorivska1
Affiliation: 
1 Lviv Polytechnic National University, 12 S. Bandery St., Lviv 79013, Ukraine yurii.r.melnyk@lpnu.ua
DOI: 
https://doi.org/10.23939/chcht19.04.705
AttachmentSize
PDF icon full_text.pdf337.26 KB
Keywords: 
green chemistry
sustainability indicators
E-factor
metal oxide
triglyceride
ethanol
butanol
transesterification
Abstract: 
The effect of a triglyceride transesterification catalyst on sustainability indicators has been examined. Among the catalysts studied, zinc and nickel (II) oxides proved to be the most effective for triglyceride ethanolysis and butanolysis. The optimal catalyst content of 0.25 wt.% minimizes the E-factor. Increasing the molar ratio of alcohol to triglyceride decreases the E-factor by 3.6 to 8.0 times in triglyceride butanolysis catalyzed by zinc and nickel (II) oxides. It was found that the regeneration of unreacted n-butyl alcohol from the reaction mixture increases atom efficiency by 2.1 to 2.2 times.
References: 

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