Volume 14, Issue 1 (4-2018)
J Health Syst Res 2018, 14(1): 91-97 |
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Amin M M, Ebrahimi A, Marasi G, Tahvilian H. Biokinetic Coefficient Determination of Sanitary Wastewater Treatment in Aeration Lagoon in Full Scale (Case Study: Sepahanshahr Wastewater Treatment Plant, Iran). J Health Syst Res 2018; 14 (1) :91-97
URL: http://hsr.mui.ac.ir/article-1-995-en.html
URL: http://hsr.mui.ac.ir/article-1-995-en.html
1- Professor, Environment Research Center, Research Institute for Primordial Prevention of Non-communicable Diseases AND Department of Environmental Health Engineering, School of Health , Isfahan University of Medical Sciences, Isfahan, Iran
2- Associate Professor, Environment Research Center, Research Institute for Primordial Prevention of Non -communicable Diseases AND Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
3- MSc Student, Student Research Committee AND Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
2- Associate Professor, Environment Research Center, Research Institute for Primordial Prevention of Non -communicable Diseases AND Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
3- MSc Student, Student Research Committee AND Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
Abstract: (1524 Views)
Background: Previously, the used wastewater treatment process designing was based on experimental parameters. But, because of the variety of quality and quantity of inflow, effluent was not being applicable to meet expected quality, when standard parameters were used in design process only. Nowadays, logical parameters which are based on biological kinetic equation are used as experimental parameters in wastewater treatment process designing. The aim of this study was to determine biokinetic coefficients of KB and Umax in wastewater treatment process of Sepahanshahr, Iran, to use the results in similar conditions.Methods: In wastewater treatment plant, the efficiency of biochemical oxygen demand (BOD), chemical oxygen demand (COD), and total suspended solids (TSS) removal in aeration lagoon in Sepahanshahr was investigated at a 3-year period, and the kinetic coefficients were determined. The sampling was done weekly. Biokinetic coefficients were obtained using Kincannon-Stover model.Findings: The mean efficiency of BOD, COD, and TSS removal in aeration lagoon were 72 ± 4, 70 ± 6, and 62 ± 6 percent, respectively. The amounts of KB and Umax for aeration lagoon were 136.5 and 55.8 g COD/l per day, respectively.Conclusion: The effluent quality of Sepahanshahr wastewater treatment process met the environmental organization of Iran to reuse in irrigation. Biokinetic coefficients calculation shows that Kincannon-Stover model is adapted for COD removal in aeration lagoon (R2 > 0.88).
Type of Study: Research |
Subject:
education health and promotion
Received: 2020/07/16 | Accepted: 2018/04/15 | Published: 2018/04/15
Received: 2020/07/16 | Accepted: 2018/04/15 | Published: 2018/04/15
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