【摘要】 微生物脱盐燃料电池由于可以在不需要外电能而只消耗有机底物的条件下生产可饮用水而得到广泛的关注。MDC的运行效果主要受阳极电极形式和阴极电极形式等的影响。为了选择合适的阴极电极形式,本实验利用两套不同阴极电极形式的MDC,MDC1使用碳刷作为阴极,MDC2使用碳纸作为阴极,对这两套反应器在脱盐和产电等方面的差别进行研究。结果表明:使用碳刷作为阴极电极的MDC1在脱盐效率和产生的电能均高于MDC2,MDC1产生的最大功率密度为22W/m3,平均脱盐速率为3.378mg/h,;MDC2产生的最大功率密度为14W/m3,平均脱盐速率为3.275mg/h。实验结果证明以碳刷为阴极的MDC1运行效果好,又因为碳刷的成本比碳纸便宜,因此碳刷是比碳纸理想的阴极电极材料。更多还原

【Abstract】 Microbial desalination cells have been greatly noted for drinking water production without exoteric energy input and generate electrical by using the organic matter.The electrode of anode and cathode played the main aspect on MDC.To choose the suitable electrode,In this paper we operated two MDCs with the different of electrode in cathode,MDC1 used heat treated graphite brushes as cathode electrode and MDC2 used graphite papers as cathode electrode.The effect of the different performance on MDC in terms of salt removal rate and energy producted was investigated.The result showed that MDC1 which used heat treated graphite brushes as cathode electrode has the higher salt removal rate and energy producted than MDC2,MDC1 produced a maximum power density of 22 W/m3,and the average salt removal rate is 3.378 mg/h.MDC2 producer a maximum power density of 14 W/m3,and the average salt removal rate is 3.275 mg/h.The research proved that the performance of MDC used heat treated graphite brushes as cathode electrode is better,and for the lower cost,the heat treated graphite brushes was the ideal electrode in cathode.更多还原