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Fermentation
Volume 8
Issue 7
10.3390/fermentation8070335
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Communication

Increase in Electrical Parameters Using Sucrose in Tomato Waste

by
Rojas-Flores Segundo
1,*,
De La Cruz-Noriega Magaly
1,
Santiago M. Benites
1,
Delfín-Narciso Daniel
2,
Luis Angelats-Silva
3,
Felix Díaz
4,
Cabanillas-Chirinos Luis
5 and
Silva-Palacios Fernanda
6
1
Vicerrectorado de Investigación, Universidad Autónoma del Perú, Lima 15842, Peru
2
Grupo de Investigación en Ciencias Aplicadas y Nuevas Tecnologías, Universidad Privada del Norte, Trujillo 13007, Peru
3
Laboratorio de Investigación Multidisciplinario, Universidad Privada Antenor Orrego (UPAO), Trujillo 13008, Peru
4
Escuela Académica Profesional de Medicina Humana, Universidad Norbert Wiener, Lima 15046, Peru
5
Instituto de Investigación en Ciencias y Tecnología de la Universidad Cesar Vallejo, Trujillo 13001, Peru
6
Escuela de Ingeniería Ambiental, Facultad de Ingeniería, Universidad Cesar Vallejo, Trujillo 13001, Peru
*
Author to whom correspondence should be addressed.
Fermentation 2022, 8(7), 335; https://doi.org/10.3390/fermentation8070335
Submission received: 16 June 2022 / Revised: 15 July 2022 / Accepted: 15 July 2022 / Published: 16 July 2022
(This article belongs to the Collection Food Waste Valorization)
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Abstract

The use of organic waste as fuel for energy generation will reduce the great environmental problems currently caused by the consumption of fossil sources, giving agribusiness companies a profitable way to use their waste. In this research, tomato waste with different percentages of sucrose (0-target, 5, 10, and 20%) was used in microbial fuel cells manufactured on a laboratory scale with zinc and copper electrodes, managing to generate maximum peaks of voltage and a current of 1.08 V and 6.67 mA in the cell with 20% sucrose, in which it was observed that the optimum operating pH was 5.29, while the MFC with 0% (target) sucrose generated 0.91 V and 3.12 A on day 13 with a similar pH, even though all the cells worked in an acidic pH. Likewise, the cell with 20% sucrose had the lowest internal resistance (0.148541 ± 0.012361 KΩ) and the highest power density (224.77 mW/cm2) at a current density of 4.43 mA/cm2, while the MFC with 0% sucrose generated 160.52 mW/cm2 and 4.38 mA/cm2 of power density and current density, respectively, with an internal resistance of 0.34116 ± 0.2914 KΩ. In this sense, the FTIR (Fourier-transform infrared spectroscopy) of all the substrates used showed a high content of phenolic compounds and carboxylate acids. Finally, the MFCs were connected in a series and managed to generate a voltage of 3.43 V, enough to light an LED (green). These results give great hope to companies and society that, in the near future, this technology can be taken to a larger scale.
Keywords: waste; tomatoes; saccharose; microbial fuel cells; bioelectricity waste; tomatoes; saccharose; microbial fuel cells; bioelectricity

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MDPI and ACS Style

Segundo, R.-F.; Magaly, D.L.C.-N.; Benites, S.M.; Daniel, D.-N.; Angelats-Silva, L.; Díaz, F.; Luis, C.-C.; Fernanda, S.-P. Increase in Electrical Parameters Using Sucrose in Tomato Waste. Fermentation 2022, 8, 335. https://doi.org/10.3390/fermentation8070335

AMA Style

Segundo R-F, Magaly DLC-N, Benites SM, Daniel D-N, Angelats-Silva L, Díaz F, Luis C-C, Fernanda S-P. Increase in Electrical Parameters Using Sucrose in Tomato Waste. Fermentation. 2022; 8(7):335. https://doi.org/10.3390/fermentation8070335

Chicago/Turabian Style

Segundo, Rojas-Flores, De La Cruz-Noriega Magaly, Santiago M. Benites, Delfín-Narciso Daniel, Luis Angelats-Silva, Felix Díaz, Cabanillas-Chirinos Luis, and Silva-Palacios Fernanda. 2022. "Increase in Electrical Parameters Using Sucrose in Tomato Waste" Fermentation 8, no. 7: 335. https://doi.org/10.3390/fermentation8070335

APA Style

Segundo, R.-F., Magaly, D. L. C.-N., Benites, S. M., Daniel, D.-N., Angelats-Silva, L., Díaz, F., Luis, C.-C., & Fernanda, S.-P. (2022). Increase in Electrical Parameters Using Sucrose in Tomato Waste. Fermentation, 8(7), 335. https://doi.org/10.3390/fermentation8070335

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