The leachate released from dumpsites can cause severe contamination of land and water. By studying seasonal variations of leachate characteristics generated from three active landfill sites of Delhi (India), it was found that seasonal variations can significantly affect the composition of leachate. Various parameters, such as conductivity, total dissolved solids (TDS), biochemical oxygen demand (BOD), chemical oxygen demand (COD), total Kjeldhal, ammoniacal nitrogen, organic nitrogen, heavy metals, chlorides and sulfates, are being released throughout the year beyond the prescribed disposal limit. It has also been seen that substantial quantities of industrial and other hazardous waste materials are also being dumped into the landfills. One can also find significant amounts (much above the permissible disposable limits) of substances such as TDS, COD, BOD, chloride, cyanide, and as in the inland surface waters. Already, the existing landfills are chocked much beyond their receiving capacity. Hence, if more waste matter is dumped in such places, it would only lead to releasing more hazardous leachate substances for a longer duration. This study will provide an in-depth analysis of leachate quality in three active landfill sites in the city of Delhi. This would enable the concerned authorities to install more effective seasonal-specific leachate management facilities at such landfills.

中文翻译：

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印度德里活跃垃圾填埋场渗滤液质量的季节性变化

从垃圾场释放的渗滤液会严重污染土地和水。通过研究德里（印度）的三个活跃垃圾填埋场产生的渗滤液特征的季节性变化，发现季节性变化可以显着影响渗滤液的组成。全年发布各种参数，例如电导率，总溶解固体（TDS），生化需氧量（BOD），化学需氧量（COD），总凯氏，氨氮，有机氮，重金属，氯化物和硫酸盐超出规定的处置限制。还已经看到，大量的工业废料和其他有害废料也被倾倒入垃圾填埋场。人们还可以发现大量的物质（远远超过允许的一次性使用限制），例如TDS，化学需氧量，生化需氧量，氯化物，氰化物以及内陆表层水域。现有的垃圾填埋场已经塞满了很多垃圾，超出了其接收能力。因此，如果将更多的废物倾倒在这些地方，只会导致更长的时间释放更多的有害沥滤液。这项研究将提供德里市三个活跃垃圾填埋场渗滤液质量的深入分析。这将使有关当局能够在此类垃圾填埋场安装更有效的针对特定季节的渗滤液管理设施。这项研究将提供德里市三个活跃垃圾填埋场渗滤液质量的深入分析。这将使有关当局能够在此类垃圾填埋场安装更有效的针对特定季节的渗滤液管理设施。这项研究将提供德里市三个活跃垃圾填埋场渗滤液质量的深入分析。这将使有关当局能够在此类垃圾填埋场安装更有效的针对特定季节的渗滤液管理设施。