南宁市垃圾渗滤液对地表水的影响

Effect of Landfill Leachate on Surface Water in Nanning City

目的了解垃圾转运站垃圾渗滤液对南宁市地表水质的影响。方法对南宁市2座垃圾转运站中垃圾渗滤液进行检测分析。结果该市垃圾转运站渗滤液中化学需氧量(COD)、生物需氧量(BOD5)、金属含量、粪大肠菌群等各项指标严重超出国家标准。结论不经处理即排放垃圾渗透液,将对南宁市水质造成影响,因此,建议垃圾转运站渗滤液应集中运到填埋场进行处理达标后排放。

[Objectives]To understand the effect of landfill leachate in refuse transfer station on surface water quality.[Methods]The landfill leachate of two refuse transfer stations in Nanning were detected and analyzed.[Results]The Chemical Oxygen Demand（COD）,Biological Oxygen Demand（BOD）,metal content and fecal coliform of the landfill leachate exceeded the national standard obviously.[Conclusion]The emission of landfill leachate without processing could affect the water quality in Nanning,and it was suggested that landfill leachate should be transported to landfill site and processed together,then discharged after reaching standard.