Instituto de Investigación en Ciencias y Tecnología de la Universidad Cesar Vallejo, Trujillo 13001, Peru.
Vicerrectorado de Investigación, Universidad Autónoma del Perú, Lima 15842, Peru.
Molecules. 2022 Jan 19;27(3):625. doi: 10.3390/molecules27030625.
The enormous environmental problems that arise from organic waste have increased due to the significant population increase worldwide. Microbial fuel cells provide a novel solution for the use of waste as fuel for electricity generation. In this investigation, onion waste was used, and managed to generate maximum peaks of 4.459 ± 0.0608 mA and 0.991 ± 0.02 V of current and voltage, respectively. The conductivity values increased rapidly to 179,987 ± 2859 mS/cm, while the optimal pH in which the most significant current was generated was 6968 ± 0.286, and the ° Brix values decreased rapidly due to the degradation of organic matter. The microbial fuel cells showed a low internal resistance (154,389 ± 5228 Ω), with a power density of 595.69 ± 15.05 mW/cm at a current density of 6.02 A/cm; these values are higher than those reported by other authors in the literature. The diffractogram spectra of the onion debris from FTIR show a decrease in the most intense peaks, compared to the initial ones with the final ones. It was possible to identify the species , , , and adhered to the anode electrode at the end of the monitoring using the molecular technique.
由于全球人口的显著增加，有机废物所带来的巨大环境问题也随之增加。微生物燃料电池为利用废物作为燃料发电提供了一种新的解决方案。在这项研究中，使用了洋葱废料，成功地分别产生了最大电流峰 4.459 ± 0.0608 mA 和最大电压峰 0.991 ± 0.02 V。电导率值迅速增加到 179,987 ± 2859 mS/cm，而产生最大电流的最佳 pH 值为 6968 ± 0.286，°Brix 值因有机物降解而迅速下降。微生物燃料电池的内阻（154,389 ± 5228 Ω）较低，在电流密度为 6.02 A/cm 时，功率密度为 595.69 ± 15.05 mW/cm；这些值高于文献中其他作者报道的值。与初始值相比，洋葱碎片的傅里叶变换红外光谱（FTIR）的特征峰强度降低，这表明在监测结束时，有物种 、 、 和 附着在阳极电极上。采用分子技术进行识别。
