正渗透微生物燃料电池处理垃圾渗滤液的产能和降污性能研究

Study on the Production Capacity and Pollution Reduction Performance of Landfill Leachate Treatment by Osmosis Microbial Fuel Cell

采用正透膜为中间隔膜,构建双室正渗透微生物燃料电池,同时以垃圾渗透液为阳极液,考察了Os MFC处理垃圾渗滤液的产能和降污性能。结果表明,稳定运行后,Os MFC的表观内阻为236.750Ω,最大面积功率密度为0.442 W/m^2,其相对应的电流密度为1.663 A/m^2。MFC的表观内阻为247.625Ω,最大面积功率密度为0.406 W/m^2,其相对应的电流密度为1.594 A/m2,Os MFC与MFC相比具有更好的产电性能。Os MFC使p H更加稳定,从而能够有效地降低过电位。Os MFC的平均水通量为0.979 L/(m^2·h)。Os MFC对垃圾渗滤液中TOC、氨氮、TN和TP的去除率都达到70%以上。研究结果为垃圾渗滤液的处理和资源化提供技术参考。

Two-chamberosmosis microbial fuel cell was constructed by using osmosis membrane as the middle membrane. At the same time, the production capacity and the performance of OsMFC treatment of landfill leachate were investigated, tlae lananll leacnate was usea as tae anoue Hquor. The results showed that, after stable operation, the apparent intemal resistance of OsMFC was 236.750Ω and the maximum area power density was 0.442 W/m2, and its rrespondingcurrentdensity was.663A/m2.Theapparentintemal resistance of MFCwas247.625Ω the maximum area power density was 0.406 W/m：, and its corresponding current density was 1.594 A/m：. The electricity generation performance of OsMFCwas better than MFC.OsMFC made the pH more stable, which could effectively reduce the overpotential.The average water flux of OsMFCwas 0.979 LMH. The removal rate of TOC, ammonia nitrogen, TN and TP in landfill leachate reached above 70% by OsMFC. The results provided a technical reference for the treatment and resource utilization of landfill leachate.