초록

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Abstract ▼ AI-Helper

In this study, we can be obtained the following conclusions about the characteristics of leachate with passed time in the expired landfill. Compared with the expired landfilling H. and S., pH shows a tendency to increase in E., because $NH_3$ is created by anaerobic degradation and dissol...

In this study, we can be obtained the following conclusions about the characteristics of leachate with passed time in the expired landfill. Compared with the expired landfilling H. and S., pH shows a tendency to increase in E., because $NH_3$ is created by anaerobic degradation and dissolved in leachate. The initial BOD and COD of E. and S. are high in similar concentration but H. is low, Since the organics of waste in H. are lower than in E. and S. during landfilling. SS of E. in concentration is increased and very altered, because food of combustible in E. is higher than it in H. and S.. According to passed time, T-N is high in concentration but T-P shows a similar tendency. Heavy metals of leachate is lower than threshold concentrations. If leachate is treated biologically, microbes are not inibitory.