TY - JOUR
T1 - Generation of bioelectricity from fruit waste
AU - Rojas-Flores, S.
AU - De La Cruz Noriega, M.
AU - Benites, Santiago M.
AU - Aguirre Gonzales, G.
AU - Salvador Salinas, A.
AU - Silva Palacios, F.
N1 - Publisher Copyright:
© 2020 The Author(s)
PY - 2020/12/1
Y1 - 2020/12/1
N2 - In this study, an alternative method is proposed for producing electricity using microbial fuel cells (MFCs) and fruit waste in case of industries and farmers. Herein, MFCs were manufactured using zinc and copper electrodes and three types of organic waste (R. ulmifolius, H. undatus, and M. citrifolia) as the substrate. The results revealed that the H. undatus waste generated the highest voltage and current values, i.e., 1.17 ± 0.12 V and 25.78 ± 0.89 mA, respectively, in an open circuit. However, all the substrates exhibited acidic pH values. The H. undatus substrate reported the highest voltage, power density (PD), and current density (CD) values at a Vmax value of 1.11 ± 0.25 V, a PDmax value of 0.0719 ± 0.0012 W/cm2, and a CDmax value of 0.051 A/cm2. Conversely, the R. ulmifolius substrate exhibited the lowest values at a Vmax value of 0.96 ± 0.13 V, a PDmax value of 0.0668 ± 0.0013 W/cm2, and a CDmax value of 0.025 A/cm2. The micrographs denote that the Cu anode porosity of H. undatus is higher when compared with those of the remaining two substrates, and the Pichia guilliermondii, Candida boidinii, and Brevibacillus laterosporus microorganisms were observed in its anodic biofilm.
AB - In this study, an alternative method is proposed for producing electricity using microbial fuel cells (MFCs) and fruit waste in case of industries and farmers. Herein, MFCs were manufactured using zinc and copper electrodes and three types of organic waste (R. ulmifolius, H. undatus, and M. citrifolia) as the substrate. The results revealed that the H. undatus waste generated the highest voltage and current values, i.e., 1.17 ± 0.12 V and 25.78 ± 0.89 mA, respectively, in an open circuit. However, all the substrates exhibited acidic pH values. The H. undatus substrate reported the highest voltage, power density (PD), and current density (CD) values at a Vmax value of 1.11 ± 0.25 V, a PDmax value of 0.0719 ± 0.0012 W/cm2, and a CDmax value of 0.051 A/cm2. Conversely, the R. ulmifolius substrate exhibited the lowest values at a Vmax value of 0.96 ± 0.13 V, a PDmax value of 0.0668 ± 0.0013 W/cm2, and a CDmax value of 0.025 A/cm2. The micrographs denote that the Cu anode porosity of H. undatus is higher when compared with those of the remaining two substrates, and the Pichia guilliermondii, Candida boidinii, and Brevibacillus laterosporus microorganisms were observed in its anodic biofilm.
KW - Bioelectricity
KW - Current
KW - Microbial fuel cell
KW - Organic waste
KW - Substrate
UR - https://www.scopus.com/pages/publications/85098194481
U2 - 10.1016/j.egyr.2020.10.025
DO - 10.1016/j.egyr.2020.10.025
M3 - Article
AN - SCOPUS:85098194481
SN - 2352-4847
VL - 6
SP - 37
EP - 42
JO - Energy Reports
JF - Energy Reports
ER -