Biodiesel production from waste cooking oil in presence of modified waste eggshell catalyst via microwave heating
Siti Aminah Mohd Johari, Neshwign Chandrasehgaran, Muhammad Ayoub, Chai Yee Ho, Yoshito Ando
Abstract. This study compares the efficiency of producing biodiesel from waste cooking oil (WCO) utilizing modified eggshell based calcium oxide (CaO) catalysts improved with magnesium-aluminum hydrotalcite to pure eggshell based CaO by microwave-heated transesterification. The study optimized process parameters for a methanol to oil molar ratio of 9:1 at 65°C for 30 minutes, with the goal of enhancing catalyst stability and basicity for effective biodiesel synthesis. The study demonstrated that the eggshell based CaO/Mg-Al catalyst was better in biodiesel yield (89.44%) than the pure eggshell based CaO and exhibited improved stability and catalytic activity through gas chromatography with mass spectrometry (GC-MS) analysis for fatty acid methyl ester (FAME) composition and biodiesel yield.
Keywords
Biodiesel, Calcium Oxide, Eggshell, Hydrotalcite, Microwave
Published online 4/25/2025, 8 pages
Copyright © 2025 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: Siti Aminah Mohd Johari, Neshwign Chandrasehgaran, Muhammad Ayoub, Chai Yee Ho, Yoshito Ando, Biodiesel production from waste cooking oil in presence of modified waste eggshell catalyst via microwave heating, Materials Research Proceedings, Vol. 53, pp 117-124, 2025
DOI: https://doi.org/10.21741/9781644903575-11
The article was published as article 11 of the book Decarbonization Technology
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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