Studies on the Effect of Natural Treatment on Sewage Water, El-Salhiya - Qena City, Egypt

Mohammed M. Askalany, M. Diab, Fathy A. Abdalla, Abdelmonsef M. Hassan, (doi: 10.23953/cloud.ijaese.269)


Natural treatment of sewage wastewater has an environmental and economic means. It is applied by infiltrating wastewater through the vadose zone (unsaturated zone) of an aquifer. This method of treatment proved its effectiveness in removing or reducing most of harmful substances through physic-chemical and biological analysis. The obtained results validated that most of toxic substances were removed by percent of 99.1%, 97.6%, 94.7%, 98.6%, 100%, 99.9% and 100% for TSS, BOD, COD, NH3, PO4, total coliform and fecal coliform bacteria, respectively. The study suggests that, the possible removal mechanisms in the vadose zone were primarily filtrations, adsorption and biodegradation, which are the most commonly referenced. These processes are low cost, low or no energy consumption, and low mechanical technology as well as helps in environmental cleanup.


Natural treatment; groundwater; sewage wastewater; hydro chemistry

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