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Resource recovery in potato chips processing industry: green bioelectricity production using continuous mediatorless microbial fuel cell

机译:土豆芯片加工行业的资源恢复:使用连续介质的微生物燃料电池的绿色生物电性生产

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摘要

Potato chips processing industry generally discharge large volumes of organic loaded-wastewater and significant amounts of peels as solid wastes. In this study, a dual chamber microbial fuel cell (MFC) was setup, and continuously operated for 120 days for combined biotreatment of potato chips processing wastewater (PCW) and waste potato peels (PP) associated with electricity generation. The discarded PP were dried, grinded, and added to the PCW as a powder at concentrations of 0, 2.5, and 5 g PP/L resulted in three different organic loadings, denoted as OL0, OL1, and OL2, respectively. The results demonstrated significant removal efficiency of COD up to 99% with maximum power generation of 612.5, 800, and 1012.5 mW/m(3) for OL0, OL1, and OL2, respectively. Butler-Volmer-Monod model was proposed to describe the overpotential-polarization curve for the MFC. Significant agreement was observed between the predicated and experimental results with determination coefficient (R-2) values 0.91.
机译:土豆芯片加工行业一般放电大量的有机载废水和大量的皮肤作为固体废物。在该研究中,设定了双室微生物燃料电池(MFC),并连续操作120天,组合马铃薯片的生物处理废水(PCW)和与发电相关的废马铃薯皮(PP)。将丢弃的PP干燥,研磨,并以0,2.5和5g pp / L的浓度为粉末加入PCW,导致三种不同的有机载体,分别表示为OL 0,OL1和OL2。结果表明,COD的显着去除效率高达99%,最大发电分别为OL 0,OL1和OL2的612.5,800和1012.5mW / m(3)。建议对Butler-Volmer-Monod模型描述MFC的过电态极化曲线。在追溯和实验结果之间观察到重大协议,测定系数(R-2)值& 0.91。

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