Step-By-Step Design and Calculations for Water Treatment Plant Units: A Recent Study

Due to its critical function in residential and drinking purposes, this work offered the design methods and calculations for each unit of the water treatment plant (WTP). By calculating water demand and developing the unit process, it also illustrated and created the procedures of the water processing units. The goals of this project were to assess a community’s water demand and to give design stages and calculations for the required units of a WTP. For the selected location in Erbil City, Iraq, the design of the WTP units was applied to Greater-Zab River water. The quality and amount of water in the Greater-Zab River were statistically examined and displayed at various times. Intake, coagulation, flocculation, sedimentation, adsorption (optional), filtration, disinfection, storage, and pumping were the units of the treatment processes. The average discharge and population used for the WTP design were 60,000 m3/day and 200,000, respectively, according to the calculations and detailed drawings of the units. Furthermore, some of the parameters had to be estimated as field data, which was taken into account during the calculation. The WTP’s outline results for each unit were tabulated. The WTP design was influenced by the quality and amount of the surface water source. It can be concluded that this research can be used to build other WTP units. The removal effectiveness of the WTP units was greatly influenced by a number of factors including the age of the WTP, maintenance, economic and political conditions, technical issues, and water demand.

Author(s) Details

Shuokr Qarani Aziz
Department of Civil Engineering, College of Engineering, Salahaddin University–Erbil, Iraq.

Jwan Sabah Mustafa
Ministry of Agriculture and Water Resources, General Directorate of Dams and Reservoirs, Erbil, Iraq.

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