在厨余基质中添加微量营养元素的 MFC 性能

Q3 Chemical Engineering
Fitria Nur Laily, Sri Rachmania Juliastuti, Raden Darmawan
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引用次数: 0

摘要

微生物燃料电池(MFC)是一种利用废物生产可再生能源的技术,目前仍在不断开发之中。根据联合国粮农组织(FAO)的数据,每年有 32% 的供人类消费的食物被丢弃,约 13 亿吨。在这项研究中,微生物燃料电池使用了食物垃圾形式的有机源,这些食物垃圾已被黑曲霉、曲霉和白色念珠菌水解。水解的结果被输入 MFC 系统。在 MFC 系统中,它与 Sidoarjo 泥和 Shewanella oneidensis MR-1 混合,然后进入单室微生物燃料电池(SC-MFC)发电。在这项研究中,还添加了微量营养素(Mg2+、Ni2+、Cu2+、Ca2+、Pb2+、Co2+、Cd2+、Cr2+ 和 Zn2+),以增加一龄雪旺氏菌 MR-1 的新陈代谢,从而提高电流。结果显示,最佳功率密度为 6.652 W/m2,当食物垃圾与水的比例为 2:1 M 时,BOD 去除率为 89.362%,COD 去除率为 77.273%。食物水解能在 24 小时内将 40% 的食物垃圾水解为葡萄糖。钴微量营养元素的添加使葡萄糖的减少比例最大,达到 77%。因此,微生物燃料电池可以大大提高厨余降解能力,使其成为微生物燃料电池发电的碳源。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
MFC Performance with Additional Micronutrients in Food Waste Substrate
Microbial Fuel Cell (MFC) are the one of utilization of waste for renewable energy continues to be developed. According to the FAO, 32% of all food for human consumption is discarded about 1.3 billion tonnes per year. In this study, Microbial Fuel Cells used an organic source in the form of food waste that had been hydrolyzed by Aspergillus oryzae, Aspergillus aculeatus, and Candida rugosa. The results of the hydrolysis are entered into the MFC system. In the MFC system it is mixed with Sidoarjo mud and Shewanella oneidensis MR-1, then put into a Single Chamber microbial fuel cell (SC-MFC) to generate electricity. In this research, also added micronutrients (Mg2+, Ni2+, Cu2+, Ca2+, Pb2+, Co2+, Cd2+, Cr2+, and Zn2+) to increase the metabolic of Shewanella oneidensis MR-1 bacteria, so can elevate electric currents. electrons and protons are produced by microorganisms by changing organic compounds in the substrate. The results showed that the best power density was 6.652 W/m2 with BOD 89.362% and COD removal 77.273% achieved with a ratio of food waste to water of 2:1 M. Food hydrolysis is capable of hydrolyzing 40% food waste into glucose within 24 hours. The greatest percentage of glucose decreased was achieved by Cobalt micronutrient addition with 77% of glucose decreased. Therefore, MFC can be greatly enhance food waste degradation to become a carbon source in a microbial fuel cell for electricity production.
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来源期刊
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
2.40
自引率
0.00%
发文量
176
期刊介绍: This journal welcomes high-quality original contributions on experimental, computational, and physical aspects of fluid mechanics and thermal sciences relevant to engineering or the environment, multiphase and microscale flows, microscale electronic and mechanical systems; medical and biological systems; and thermal and flow control in both the internal and external environment.
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