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An alternative type of photoelectro-Fenton process for the treatment of landfill leachate

机译:另一种类型的光电子-Fenton工艺处理垃圾渗滤液

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An alternative type of photoelectro-Fenton(PEF)process has been proposed to remove COD,color and phosphate from the landfill leachates.The process was improved by combining the different type of electro-Fenton(EF)process with UV irradiation.The efficiency of the process and settling characteristics of waste sludge produced from the process were investigated by changing some operating parameters such as initial pH,H2O2 and current.In addition,the proposed process was compared with other treatment processes such as electro-coagulation(EC),electro-Fenton and UV/H2O2 in terms of treatment efficiency.The high removal efficiencies were observed at the initial pH 3,initial H2O2 concentration,3000 mg L~(-1);current,2.5 A;and treatment time,20 min.Removal of COD,color and phosphate under the reported conditions were 94%,97%,96%,respectively.The obtained results from the comparative experiments revealed that the proposed PEF process is more effective than the other treatment processes for the landfill leachate.
机译:有人提出了另一种类型的光电-Fenton(PEF)工艺来去除垃圾填埋场渗滤液中的COD,颜色和磷酸盐。该工艺通过将不同类型的F-Fenton(EF)工艺与UV辐照相结合进行了改进。通过改变初始pH值,H2O2和电流等操作参数来研究该工艺产生的污泥的工艺和沉降特性。此外,将该工艺与电凝,电-Fenton和UV / H2O2的处理效率。在初始pH 3,初始H2O2浓度,3000 mg L〜(-1);电流,2.5 A;以及处理时间20分钟的条件下,均具有较高的去除效率。在对比条件下,化学需氧量,颜色和磷酸盐的比重分别为94%,97%,96%。比较实验的结果表明,所提出的PEF工艺比其他处理方法更有效。填充渗滤液。

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