Advances in calcium oxide mediated catalytic biodiesel production: A paradigm shift in complying with UN's SDG7

Nabanita Ghosh, Abu Mustafa Khan and Gopinath Halder

Applied Energy, 2025, vol. 391, issue C, No S0306261925006841

Abstract: The growing concerns over global warming and the finite nature of fossil fuel resources have spurred interest in biodiesel as promising alternative towards carbon-neutral economy. Substituting petro-diesel with biodiesel could trigger to a remarkable decline in environmental pollution. Amidst several customary processes, transesterification is ascertained to be a globally well-adopted cost-competent and scalable method of biodiesel manufacturing. Nevertheless, transesterification faces many challenges particularly with homogeneous catalysis, such as catalyst separation and formation of wastewater. Calcium oxide (CaO) as a heterogeneous catalysts have gained momentum of interest. However, it has still some bottlenecks in scaling-up.

Keywords: Biodiesel; Calcium oxide; Life cycle assessment; Kinetic study; Deactivation analysis (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.apenergy.2025.125954

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