Biodiesel production from refined used cooking oil using co-metal oxide catalyzed transesterification

Nur Fatin Sulaiman, Ainul Nadia Nor Hashim, Susilawati Toemen, Salmiah Jamal Mat Rosid, Wan Nur Aini Wan Mokhtar, Renugambaal Nadarajan and Wan Azelee Wan Abu Bakar

Renewable Energy, 2020, vol. 153, issue C, 1-11

Abstract: The world is challenged with depletion of non-renewable fossil fuel and environmental pollution. Thus, this research was emphasized on converting refined used cooking oil to safer and low toxicity biodiesel by base-catalyzed transesterification reaction. Alumina supported magnesium, calcium, strontium and barium oxide-based catalysts with iron as its dopant were optimized according to various calcination temperatures and iron loadings. The optimum conditions over potential catalyst was achieved with 20 wt% of Fe loading for Fe/Ba/Al2O3 catalyst calcined at 800 °C which gave the maximum biodiesel production of 84.02%. Characterization of catalyst carried out by XRD showed that the 20Fe:80Ba/Al2O3 catalyst calcined at 800 °C had a polycrystalline structure with high BET surface area (133.59 m2/g) while FESEM analysis displayed a morphology of uniform plate-like shape grains with fine particles in the range of 55–60 nm. CO2-TPD results showed that the catalyst exhibited highest basicity of 2.5854 mmol/g, while TGA analysis proved that 800 °C was the optimum calcination temperature. The transesterification process of refined used cooking oil to produce high yield biodiesel was effectively attained using 20Fe:80Ba/Al2O3 catalyst.

Keywords: Alkaline earth metal oxide; Biodiesel production; Base-catalyzed; Transesterification reaction; Refined used cooking oil (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:153:y:2020:i:c:p:1-11

DOI: 10.1016/j.renene.2020.01.158

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