MESSAI.iO
Generic MFCRepresentative model
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Representative MFC — matched on the paper’s system type only, not its reactor or geometry.

Extraction

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What they did

System
MFC

What worked

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Abstract

Global warming and the increase in organic waste from agro-industries create a major problem for the environment. In this sense, microbial fuel cells (MFC) have great potential for the generation of bioelectricity by using organic waste as fuel. This research produced low-cost MFC by using zinc and copper electrodes and taking blueberry waste as fuel. A peak current and voltage of 1.130 ± 0.018 mA and 1.127 ± 0.096 V, respectively, were generated. The pH levels were acid, with peak conductivity values of 233. 94 ± 0.345 mS/cm and the degrees Brix were descending from the first day. The maximum power density was 3.155 ± 0.24 W/cm² at 374.4 mA/cm² current density, and Cándida boidinii was identified by means of molecular biology and bioinformatics techniques. This research gives a new way to generate electricity with this type of waste, generating added value for the companies in this area and helping to reduce global warming.

Keywords

Microbial fuel cellElectricityBiodegradable wasteElectricity generationGlobal warmingWaste management

Identifiers

DOI
10.3390/pr9081301
Journal
Processes
Year
2021