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中文摘要：
文章以厌氧污泥和河底沉积物分别启动单室微生物燃料电池MFC,并通过改变氨氮浓度以及外电阻大小考察其对于MFC产电和氨氮去除的影响。结果表明,不同接种物启动的MFC对氨氮浓度的耐受性不同,厌氧污泥MFC在氨氮浓度为488.2 mg/L时最大输出功率Pmax为454.6 mW/m^2,而沉积物MFC的Pmax为309.6mW/m^2,出现在氨氮浓度为127.5 mg/L时;小电阻有利于氨氮的去除,但会限制MFC的产电,当外电阻从1 000Ω降低到10Ω时,厌氧污泥MFC氨氮去除率从46.1%提高到71.9%,沉积物MFC则从41.0%提高到了69.3%,并且厌氧污泥接种的MFC氨氮去除率与电阻的线性关系要优于沉积物MFC。
英文摘要：
A single-chamber microbial fuel cell（MFC） was started with anaerobic sludge and sediment,the impact of different ammonia concentration and external resistance on electricity production of MFCs and ammonia removal were also investigated.The results showed that MFCs with different inoculum started had a different tolerance ammonia concentration,MFC with anaerobic sludge inoculum was the highest power density（Pmax=454.6 mW/m^2）,when the ammonia concentration was 488.2 mg /L,while the Pmax of MFC with the sediment inoculum was 309.6 mW/m^2,when the ammonia concentration was 127.5 mg/L;Small resistance was in favor of improving ammonia removal,but it would restrict the electricity production of MFC.When the external resistance decreased from 1 000 Ω to 10 Ω,the ammonia removal rate of the MFC with anaerobic sludge inoculum increased from 46.1% to 71.9%,the MFC with sediment inoculum increased from 41.0% to 69.3%;and the linear relationship between ammonia removal efficiency and the resistance of MFC with the anaerobic sludge inoculum was superior to that of the MFC with sediment inoculum.
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