The performance of a water treatment plant (WTP) must be evaluated in all aspects and factors, including physical, chemical, and bacteriological, in order to determine its efficiency and provide consumers with high-quality water. Any WTP's output must be assessed in order to fully comprehend its service, operation, and quality. The aim of this study was to assess the performance of Ifraz 2 WTP units and to identify efficiency issues in the units, as well as to provide appropriate solutions. Raw water, after clarification, filtration, and storage tank water samples were collected for six months. The efficiency of removing turbidity from each unit and the entire WTP was measured and presented. The raw water turbidity values ranged from 51.8 NTU to 1978 NTU, indicating that there is a broad variety of turbidity values. The sedimentation unit, filtration unit, and the entire Ifraz 2 WTP had average removal efficiencies of 92.25 percent, 64.99 percent, and 97.54 percent, respectively. Owing to the lack of an optimal coagulant concentration, the performance of coagulation and flocculation processes varies. Owing to the shallow depth of the filter bed in the filtration phase, the filtration process is of poor consistency. To improve filter performance, an appropriate amount of filter media must be added to the filtration process. Owing to the presence of solids in the storage tank, the turbidity of the treated water increased in half of the samples after disinfection and storage. After coagulation-flocculation and sedimentation tanks, a large portion of the solids is removed.
Author (s) DetailsImad A. Omar
Ministry of Municipality and tourism, General Directorate of Water and Sewerage, Erbil, Iraq.
Shuokr Q. Aziz
Department of Civil Engineering, College of Engineering, Salahaddin University, Erbil, Iraq.
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