Impact of Natural Coagulants on Primary Sedimentation Performance | ||||
| Engineering Research Journal | ||||
| Article 9, Volume 183, Issue 4, December 2024, Page 156-171 PDF (652.67 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/erj.2024.311686.1088 | ||||
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| Authors | ||||
Hossam mostafa1; Soheir mansour2; Samy Tharwat Samy  3; Mina danial4
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| 1Associate Professor of sanitary and Environmental Engineering, Faculty of Engineering, Ain Shams University | ||||
| 2Associate Professor of sanitary and Environmental Engineering, Faculty of Engineering-Mataria, Helwan University | ||||
| 3Faculty of Engineering-Mataria, Helwan University | ||||
| 4Assistant Professor of sanitary and Environmental Engineering Faculty of Engineering-Mataria, Helwan University | ||||
| Abstract | ||||
| The waste generated from various human activities promotes environmental degradation. Improper handling of sewage and waste generated through societies pollutes freshwater bodies. Chemical coagulants have limited success in treating wastewater. So, natural coagulants can be the most suitable alternative to chemical ones. Samples of wastewater from Belkas wastewater treatment plant were treated by coagulation, flocculation, and sedimentation to assess the impact of natural coagulants on primary sedimentation performance. Experiments were conducted using various doses of Moringa oleifera seed powder (MOSP) and banana peel powder (BPP) using jar test equipment. Turbidity, total suspended solids (TSS), biochemical oxygen demand (BOD), chemical oxygen demand (COD), and pH were measured before and after treatment to determine the removal efficiency of turbidity, TSS, BOD5, and COD and the effect of dosage on pH. Results showed that the best dose for (MOSP) at 500 mg/l increased the removal efficiency of turbidity, TSS, BOD5, and COD to 94.39%, 98.97%, 92.35%, and 88.28%, respectively. However, the best dose for (BPP) at 140 mg/l increased the removal efficiency of turbidity, TSS, BOD5, and COD to 69.32%, 64.37%, 61.31%, and 44.23%. No major effect was recorded due to using (MOSP) and (BPP) on pH. | ||||
| Keywords | ||||
| Natural Coagulants; Primary Sedimentation; Wastewater | ||||
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