Response surface optimization, kinetics, thermodynamics, and life cycle cost analysis of biodiesel production from Jatropha curcas oil using biomass-based functional activated carbon catalyst

Kankana Saikia, Arpita Das, Atoholi H. Sema, Sanjay Basumatary, N. Shaemningwar Moyon, Thangavel Mathimani and Samuel Lalthazuala Rokhum

Renewable Energy, 2024, vol. 229, issue C

Abstract: A highly efficient activated porous catalyst, BPAC-500-S, derived from waste banana peels through a novel synthesis involving pyrolysis; and functionalization with 4-benzene diazonium sulphonate, has been developed. For comparison of catalytic activity, the material was also functionalized with sulphuric acid (BPAC-500-SX). The (BPAC-500-S) catalyst underwent impregnation and activation with ZnCl2, and its properties were extensively characterized using BET, SEM, XPS, XRD, FT-IR, and TGA techniques. Comparative analysis of catalysts obtained at different pyrolysis temperatures (400, 500, and 600 °C) revealed that BPAC-500-S pyrolyzed at 500 °C, exhibited maximum surface area (840.83 m2g-1) and sulphur density (4.7 %). Utilizing BPAC-500-S as a catalyst, an efficient process for biodiesel synthesis from Jatropha curcas oil (JCO) was developed, achieving a remarkable 98.91 % conversion, as confirmed by 1H NMR spectroscopy. Notably, life cycle cost analysis demonstrated a low biodiesel production cost of $ 0.70/L. The BPAC-500-S catalyst exhibited exceptional reusability maintaining more than 80 % biodiesel yield over seven reaction cycles. This study presents a sustainable and cost-effective approach to biodiesel production, emphasizing the potential of waste-derived catalysts in green and economically viable processes.

Keywords: Activated carbon; waste biomass; Jatropha curcas oil; Biodiesel; Heterogeneous catalysts; Transesterification (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:229:y:2024:i:c:s0960148124008115

DOI: 10.1016/j.renene.2024.120743

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