Volume 19, Issue 74 (3-2011)                   J Adv Med Biomed Res 2011, 19(74): 108-120 | Back to browse issues page

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Gholami M, Mirzaei R, Mohammadi H. Performance Evaluation of Hybrid Septic Tank and Aerated Lagoon Process Efficiency for Landfill Leachate Treatment. J Adv Med Biomed Res. 2011; 19 (74) :108-120
URL: http://zums.ac.ir/journal/article-1-1422-en.html
Abstract:   (16560 Views)

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 19537 mg/L, were 8401 and 432 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 23.6 L/day and 9.3 L/day respectively with maximum COD removal efficiency of 91.2%. Conclusion: According to the obtained results, the hybrid system had 90% COD removal efficiency. Therefore, leachate COD loading could be effectively removed in this system.

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Type of Study: Original | Subject: General
Received: 2011/03/8 | Accepted: 2014/06/23 | Published: 2014/06/23

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