利用雙室微生物燃料電池處理模擬廢水的產(chǎn)電特性研究
更新時(shí)間：2014-07-16 10:11
來(lái)源：環(huán)境科學(xué)報(bào)
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閱讀：2233
| 中文摘要 |
| 本實(shí)驗(yàn)通過(guò)研究電池的啟動(dòng)過(guò)程、陽(yáng)極有機(jī)物降解率和陰極Cu2+的去除率,評(píng)價(jià)了微生物燃料電池(microbial fuel cell, MFC)的產(chǎn)電和處理廢水性能.以模擬糖蜜廢水作為陽(yáng)極基質(zhì),模擬電鍍廢水作陰極電子受體,建立簡(jiǎn)單的雙室微生物燃料電池.結(jié)果表明在外電阻為800 Ω的情況下,電池得到最大電壓417.00 mV,從極化曲線(xiàn)上獲得最大輸出功率密度44.17 mW·m-2,內(nèi)阻為293 Ω.電池在第五周期時(shí),COD去除率也達(dá)到最高47.31%.在第四周期內(nèi),Cu2+最大的去除率為59.76%.綜上所述,MFC在處理有機(jī)廢水和電鍍廢水方面具有可行性. |
| 英文摘要 |
| The start-up procedures, the degradation efficiency of organics at the anode and the removal efficiency of Cu2+ at the cathode of the cell were studied, based on which the performance of MFC (microbial fuel cell) in electricity generation and wastewater treatment was evaluated. A simple two-chamber microbial fuel cell was established with simulated molasses wastewater as substrate at the anode and simulated electroplating wastewater as an electron acceptor at the cathode. The results from a batch of experiments showed that the highest voltage output of 417.00 mV was obtained at an external resistance of 800 Ω,and that the maximum power density of 44.17 mW·m-2was obtained with an internal resistance of 293 Ω based on the polarization curve. In addition, COD removal rate reached its highest value (47.31%) in the fifth cycle, and the maximum removal rate (59.76%) for Cu2+ was recorded in the fourth cycle. In summary, the application of MFC in the treatment of organic wastewater and electroplating wastewater is feasible. |
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