Investigating the quantitative and qualitative status of effluent in the wastewater treatment plant in Iran Central Iron Ore
Mohammad Mehralian
Environmental Science and Technology Research Center, Department of Environmental Health Engineering, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
Search for more papers by this authorEbrahim Gholamrezapour
Iran Central Iron Ore Co., HSE Branch, Bafq, Iran
Search for more papers by this authorHamed Fatahi
Environmental Health Engineering, Iran Central Iron Ore Co., HSE Branch, Bafq, Iran
Search for more papers by this authorMehdi Izadian
Iran Central Iron Ore Co., HSE Branch, Bafq, Iran
Search for more papers by this authorCorresponding Author
Maryam Khashij
Environmental Science and Technology Research Center, Department of Environmental Health Engineering, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
Correspondence
Maryam Khashij, Environmental Science and Technology Research Center, Department of Environmental Health Engineering, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
Email: m.khashij@yahoo.com
Search for more papers by this authorMohammad Mehralian
Environmental Science and Technology Research Center, Department of Environmental Health Engineering, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
Search for more papers by this authorEbrahim Gholamrezapour
Iran Central Iron Ore Co., HSE Branch, Bafq, Iran
Search for more papers by this authorHamed Fatahi
Environmental Health Engineering, Iran Central Iron Ore Co., HSE Branch, Bafq, Iran
Search for more papers by this authorMehdi Izadian
Iran Central Iron Ore Co., HSE Branch, Bafq, Iran
Search for more papers by this authorCorresponding Author
Maryam Khashij
Environmental Science and Technology Research Center, Department of Environmental Health Engineering, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
Correspondence
Maryam Khashij, Environmental Science and Technology Research Center, Department of Environmental Health Engineering, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
Email: m.khashij@yahoo.com
Search for more papers by this authorAbstract
The aim of present study was to investigate the quality of the produced effluent from different units of the Iran Central Iron Ore in Bafq city and comparison of effluent with the standards. This study presents the physicochemical and biological parameters data of effluent of three Sequencing batch reactors (SBR) with a capacity of 160 m3∙d−1. Most common parameters include pH, total suspended solids (TSS), total nitrogen (TN), total phosphorus (TP), biochemical oxygen demand (BOD5), chemical oxygen demand (COD), heavy metals, and total coliforms and fecal coliforms as biological indicators. Then, for each SBR system, the average of each parameter was determined, and results were compared with the standard recommended by the Iranian Environmental Protection Agency. Based on the results, some of the parameters, including BOD5, COD, and TSS in the wastewater treatment plant (WWTP) effluent, are higher than the permitted amount for discharge to the surface water. Considering the BOD5, COD, and TSS concentration in WWTPs, the treated wastewater is only suitable for agricultural and irrigation use. Therefore, wastewater produced by Iran Central Iron Ore Co. will need additional treatment to achieve standard quality of water before discharge in surface water and adsorbent well.
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