Performance Evaluation of Hybrid Septic Tank and Aerated Lagoon Process Efficiency for Landfill Leachate Treatment
Publish Year: 1389
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ZUMS-19-74_012
تاریخ نمایه سازی: 11 اردیبهشت 1400
Abstract:
Background and Objective: In this research, landfill leachate treatment in Karaj city was investigated by a linked septic tank and aerated lagoon.
Materials and Methods: At first, characteristics of the leachate were determined. Then a pilot plant with anaerobic-aerobic (Septic tank and Aerated lagoon) parts was installed and started.
Results: Results showed that Chemical Oxygen Demand (COD) removal efficiency for septic tank and subsequently to lagoon for influent COD of ۱۹۵۳۷ mg/L, were ۸۴۰۱ and ۴۳۲ mg/L, respectively. The septic tank and aerated lagoon also operated with different flow rates and the best results for septic tank and aerated lagoon obtained in ۲۳.۶ L/day and ۹.۳ L/day respectively with maximum COD removal efficiency of ۹۱.۲%.
Conclusion: According to the obtained results, the hybrid system had ۹۰% COD removal efficiency. Therefore, leachate COD loading could be effectively removed in this system.
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Authors
میترا غلامی
Dept. of Environmental Health Engineeing, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
رویا میرزایی
Dept. of Environmental Health Engineeing, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
حامد محمدی
Health Faculty, Zanjan University of Medical Sciences, Zanjan, Iran
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