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首页> 外文期刊>Journal of Environmental Science and Technology >Efficiency of Electrochemical, Fenton and Electro-Fenton Processes on COD and TSS Removal from Leachate
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Efficiency of Electrochemical, Fenton and Electro-Fenton Processes on COD and TSS Removal from Leachate

机译：电化学，Fenton和Fenton工艺对渗滤液中COD和TSS去除的效率

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The development of human societies has led to increase in waste generation. On the waste disposal or composting facilities, the chemical and physical alterations produce a contaminated liquid called leachate. In this study, attempts were made to remove the Chemical Oxygen Demand (COD) and Total Suspended Solids (TSS) of the leachate using electrochemical, Fenton and electro-Fenton processes. Hence, we prepared leachate samples from a composting facility in Esfahan, Iran. Then, the effect of electrochemical, Fenton and electro-Fenton processes on COD and TSS removal investigated. The results confirm that the three mentioned methods can degrade the COD and TSS of the leachate. In most cases, the maximum removal rates were observed at first 40 min of the reaction. After that time, the removal process followed by a lower rate and decreased in some cases. Among the studied methods, the electro-Fenton process is the most efficient and is able to remove up to 73 and 92.4% of the COD and TSS, respectively. Also, the Fenton process is more effective than the electrochemical method in COD and TSS removal. Therefore, we suggest using the electro-Fenton method for the COD and TSS removal because of the higher efficiency and environmental advantages.
机译：人类社会的发展导致废物产生的增加。在废物处理或堆肥设施上，化学和物理改变会产生被污染的液体，称为渗滤液。在这项研究中，尝试通过电化学，Fenton和Fenton工艺去除渗滤液的化学需氧量（COD）和总悬浮固体（TSS）。因此，我们从伊朗伊斯法罕的堆肥场制备了渗滤液样品。然后，研究了电化学，Fenton和电Fenton工艺对COD和TSS去除的影响。结果证实，上述三种方法可以降解渗滤液的COD和TSS。在大多数情况下，在反应的前40分钟观察到最大去除率。在那之后，删除过程的速度降低了，在某些情况下减少了。在研究的方法中，电芬顿法效率最高，能够分别去除多达73％和92.4％的COD和TSS。同样，芬顿法在去除COD和TSS方面比电化学方法更有效。因此，由于较高的效率和环境优势，我们建议使用电子芬顿法去除COD和TSS。

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