微生物燃料电池
瞬态(计算机编程)
生物系统
材料科学
联轴节(管道)
边值问题
生物膜
基质(水族馆)
功率(物理)
环境科学
生化工程
工艺工程
计算机科学
发电
热力学
数学
生态学
物理
数学分析
工程类
冶金
操作系统
细菌
生物
遗传学
作者
Behzad Shojaei,Iman Khazaee
标识
DOI:10.1016/j.ijthermalsci.2020.106801
摘要
Microbial fuel cells (MFCs) are a new bio-reactor which can recover energy contained in the chemical bonds of complex organic materials with simultaneous wastewater treatment. Unfortunately, there are many unsolved challenges on MFCs modelling, one of those challenges is related to temperature effects on MFCs behavior, which there are only a very few numerical studies, where conducted on this issue numerically. This study presents a dynamic, one-dimensional mathematical model for MFCs, with multi-species biofilm in a two-chamber structure, which developed by coupling energy, mass and charge conservation equations. The model parameters are estimated and validated by best-fitting regression method using experimental data obtained from literatures (Maximum relative error is 8%). The model predicts influence of temperature, boundary condition, and substrate concentration variation on MFC performance. The model revealed that the power density can increase 22.5% per 10°C temperature augmentation in maximum point. The proposed model should be helpful for the optimization of the design and operation conditions in MFCs.
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