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Information Journal Paper

Title

Feasibility of treating the produced sludge in municipal wastewater treatment plant using ozonation method

Pages

  351-362

Abstract

 Background and Objective: Wastewater treatment and stabilization always imposes costs and consequently a lot of energy on wastewater treatment plants. To achieve the purification and stabilization of as much sludge as possible, breaking complex components into simpler components is considered a critical step. Therefore, this study aimed to evaluate the feasibility of treating the produced sludge in the Municipal wastewater treatment plant using Ozonation method. Materials and Methods: In this study, sludge was obtained from the return line of activated sludge from the wastewater treatment plant in the south of Tehran. An Ozonation generator with a discharge rate of 3 L/min and an ozone concentration of 40-35 mg/L was discharged to the reactor and the residual ozone concentration was measured by iodometric method. Finally, the total suspended solids and volatile, soluble chemical oxygen demand, total organic carbon, and biochemical oxygen demand during Ozonation processes were measured using the Standard Method. Results: The results of this study showed that the amount of TSS and VSS in the activated return sludge decreased from 4060 to 2100 mg/L and from 3300 to 1850 mg/L during the Ozonation process, respectively. However, SCOD, TOC, and SBOD had an upward trend of about 18, 11. 7, and 14 times in the same reaction time, respectively. Conclusion: According to the results of this study, it can be concluded that the Ozonation system can be proposed as a suitable process for the decomposition of sludge produced in wastewater treatment plants and increasing the biodegradability of these sludges.

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    Cite

    APA: Copy

    ANSARI, MOHSEN, & FARZADKIA, MAHDI. (2021). Feasibility of treating the produced sludge in municipal wastewater treatment plant using ozonation method. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 14(2 ), 351-362. SID. https://sid.ir/paper/409817/en

    Vancouver: Copy

    ANSARI MOHSEN, FARZADKIA MAHDI. Feasibility of treating the produced sludge in municipal wastewater treatment plant using ozonation method. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2021;14(2 ):351-362. Available from: https://sid.ir/paper/409817/en

    IEEE: Copy

    MOHSEN ANSARI, and MAHDI FARZADKIA, “Feasibility of treating the produced sludge in municipal wastewater treatment plant using ozonation method,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 14, no. 2 , pp. 351–362, 2021, [Online]. Available: https://sid.ir/paper/409817/en

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