A circular economy approach to produce low-cost biodiesel using agro-industrial and packing wastes from Mexico: Valorization, homogeneous and heterogeneous reaction routes and product characterization

Liyané Veitía-de-Armas, Hilda E. Reynel-Ávila, Felipe J. Villalobos-Delgado, Carlos J. Duran-Valle, Marta Adame-Pereira and Adrián Bonilla-Petriciolet

Renewable Energy, 2024, vol. 237, issue PB

Abstract: This manuscript describes a circular economy approach to produce low-cost biodiesel using Tetra Pak (TP) and Mexican biomass wastes. Lipids were extracted from non-edible biomass with hexane. Corozo seeds contained 53 wt% lipids, while remaining biomass had <5 wt%. Corozo seed oil was selected to produce biodiesel with both homogeneous and heterogeneous reaction systems. A heterogeneous catalyst was synthesized from TP and its performance was compared with KOH in homogeneous systems using corozo and soybean oils. The best reaction conditions were identified through the Signal/Noise ratio analysis. TP catalyst achieved biodiesel yields of 12.7–98.11 % (corozo) and 87.0–98.4 % (soybean), while KOH systems showed 7.2–96.3 % and 64.6–98.5 %, respectively. These reactive systems were endothermic and fit to pseudo-second order kinetic model. Activation energies for KOH-catalyzed systems were 86.89 (corozo) and 43.72 (soybean) kJ/mol, while TP-catalyzed systems showed 78.31 and 105.68 kJ/mol, respectively. TP catalyst reuse was tested, and the loss of catalytic activity was attributed to active sites poisoning. Biomass, catalysts, and reaction products were characterized (e.g., FTIR, ICP, XRD, EDX-SEM, WDXRF, XPS, basicity and nitrogen adsorption-desorption isotherms). The TP catalyst showed competitive performance with respect to KOH, contributing to a sustainable biodiesel production chain viable for commercial implementation in Mexico.

Keywords: Biodiesel; Catalyst synthesis; Tetra pak; Biomass waste; Lipid extraction; Recycling (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:237:y:2024:i:pb:s096014812401752x

DOI: 10.1016/j.renene.2024.121684

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