Monitoring of Domestic Wastewater Treatment via Infiltration Percolation Using Impedance Spectroscopy

El Mokhtar El Hafidi, Abdelhadi Mortadi, El Ghaouti Chahid, Said Laasri
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Abstract

In this study, we treated domestic wastewater originating from the city of Oulad Frej using a novel treatment technology called percolation infiltration. The filtration medium consisted of a mixture of fly ash and sea sand sourced from the coast of Essaouiria. The filtration process yielded remarkable results, achieving an impressive reduction of 80% in COD, 70% in BOD5, 86% in suspended matter (SM), and 81-99% in heavy metals. Moreover, significant improvements were observed in terms of discoloration and pH reduction. To assess the efficacy of the domestic wastewater treatment technology, we introduced a new key indicator, complex conductivity σ*(ω), and monitored its changes before and after treatment. The impedance spectra analysis showed a strong correlation with the parameters obtained through conventional methods.

Abstract Image

用阻抗谱法监测生活污水的渗透处理
在这项研究中,我们使用一种称为渗透渗透的新型处理技术来处理来自奥拉德弗雷杰市的生活废水。过滤介质由来自索维利亚海岸的粉煤灰和海砂的混合物组成。过滤效果显著,COD降低80%,BOD5降低70%,悬浮物(SM)降低86%,重金属降低81-99%。此外,在变色和pH降低方面观察到显着改善。为了评价生活污水处理技术的效果,我们引入了一个新的关键指标——复合电导率σ*(ω),并监测了其处理前后的变化。阻抗谱分析与常规方法得到的参数有很强的相关性。
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