Effect of Electrolyte Conductivity and Aeration on Performance of Sediment Microbial Fuel Cell

Publish Year: 1394
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_JREE-2-1_007

تاریخ نمایه سازی: 10 آبان 1402

Abstract:

Sediment microbial fuel cells (SMFCs) are a promising technology for a viable source of energy. This technology is faced with many challenges, such as limited mass transfer and low electricity generation. The aim of this research was to investigate the effect of electrolyte conductivity and aeration effect on power generation from SMFCs. Electrical conductivity was adjusted at ۶different levels by adding several concentrations of NaCl and KCl, which are abundant and economic salts. By adding NaCl, the performance of SMFCs improved about ۳.۲۵ fold. Maximum generated power and current density of ۳۲.۷۶ mW/m۲ and ۳۳۰.۱۴ mA/m۲are obtained,respectively afterNaCl addition. Also, with aeration dissolved oxygen level increased as an electron acceptor in cathode portion, thereby power density enhanced from ۱۶.۳۶ mW/m۲ to ۳۸.۳۱ mW/m۲which was a ۲۳۴% increase compared to the situation before aeration.

Keywords:

sediment microbial fuel cell , Power Density , internal resistance , Dissolved oxygen

Authors

Zahra Najafgholi

Department of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran

Mostafa Rahimnejad

Department of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran

Ghasem Najafpour

Department of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran

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