Exploitation of Annona reticulata leaf extract for the synthesis of CeO2 nanoparticles as catalyst for the production of biodiesel using seed oil thereof

Arun Sannagoudar Basanagoudar, Basir Maleki, Mithun Prakash Ravikumar, Mounesh,, Pramoda Kuppe and Yatish Kalanakoppal Venkatesh

Energy, 2024, vol. 298, issue C

Abstract: Annona reticulata plant components such as leaves and seeds are successfully employed as low-cost and environmentally-safe sustainable materials for the synthesis of cerium oxide nanoparticles and biodiesel production. The synthesized CeO2 NPs worked well as a catalyst to convert A. reticulata oil into biodiesel. At a methanol to oil molar ratio of 8.97:1, a catalyst (CeO2 NPs) loading of 2.97 wt %, and reaction time of 56.4 min, the maximum 96.8 % biodiesel yield was attained. A pseudo-first-order reaction with activation energy (Ea) of 49.77 kJ/mol and a frequency factor (A) of 1.8 x 105 min−1 is consistent with the Annona reticulata methyl ester (ARME) production. The performance and emission characteristics of diesel engines were found to be significantly impacted by the use of CeO2 NPs. While the BSFC of ARME20CeO250 and ARME20CeO2100 decreased by 2.04 % and 5.10 %, respectively, the BTE of ARME20CeO250 and ARME20CeO2100 increased by 1.8 % and 2.41 %, in contrast to ARME20 at maximum load. When CeO2 nano-additive (100 ppm) is added to the ARME20 blend, the CO, HC, and NOx are reduced by 42 %, 35.59 %, and 5.94 %, respectively, in comparison to the ARME20 fuel. Thus, the A. reticulata plant may be seen as an eco-friendly source from its leaves extract, and the oil extracted from its seeds may be used as a feedstock for the effective production of biodiesel.

Keywords: A. reticulata; Transesterification; Biodiesel; Green synthesis; Heterogeneous catalyst; Diesel engine (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:298:y:2024:i:c:s0360544224011083

DOI: 10.1016/j.energy.2024.131335

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