Use of Tangerine Waste as Fuel for the Generation of Electric Current

Segundo Rojas-Flores (), Luis Cabanillas-Chirinos, Renny Nazario-Naveda, Moisés Gallozzo-Cardenas, Félix Diaz, Daniel Delfin-Narciso and Walter Rojas-Villacorta
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Segundo Rojas-Flores: Vicerrectorado de Investigación, Universidad Autónoma del Perú, Lima 15842, Peru
Luis Cabanillas-Chirinos: Instituto de Investigación en Ciencias y Tecnología de la Universidad Cesar Vallejo, Trujillo 13001, Peru
Renny Nazario-Naveda: Vicerrectorado de Investigación, Universidad Autónoma del Perú, Lima 15842, Peru
Moisés Gallozzo-Cardenas: Departamento de Ciencias, Universidad Tecnológica del Perú, Trujillo 13011, Peru
Félix Diaz: Escuela Académica Profesional de Medicina Humana, Universidad Norbert Wiener, Lima 15046, Peru
Daniel Delfin-Narciso: Grupo de Investigación en Ciencias Aplicadas y Nuevas Tecnologías, Universidad Privada del Norte, Trujillo 13007, Peru
Walter Rojas-Villacorta: Escuela de Medicina, Universidad César Vallejo, Trujillo 13001, Peru

Sustainability, 2023, vol. 15, issue 4, 1-11

Abstract: Fruit waste has increased exponentially worldwide, within which tangerine is one of those that generates a greater amount of organic waste, which is currently not fully used. On the other hand, microbial fuel cells (MFCs) are presented as an opportunity to take advantage of organic waste to generate electricity, which is why the main objective of this research is to generate bioelectricity using tangerine waste as a substrate in microbial fuel cells using zinc and copper electrodes. It was possible to generate current and voltage peaks of 1.43973 ± 0.05568 mA and 1.191 ± 0.035 V on days eighteen and seventeen, respectively, operating with an optimum pH of 4.78 ± 0.46 and with electrical conductivity of the substrate of 140.07 ± 3.51 mS/cm, while the Brix degrees gradually decreased until the last day. The internal resistance determined was 65.378 ± 1.967 Ω, while the maximum power density was 475.32 ± 24.56 mW/cm 2 at a current density of 5.539 A/cm 2 with a peak voltage of 1024.12 ± 25.16 mV. The bacterium ( Serratia fonticola ) and yeasts ( Rhodotorula mucilaginosa ) were identified in the substrate with an identity of 99.57 and 99.50%, respectively. Finally, the cells were connected in series, managing to generate 3.15 V, which allowed the turning on of a red LED light.

Keywords: microbial fuel cell; bacteria; yeast; bioelectricity; tangerine waste (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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