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PERFORMANCE IMPROVEMENT OF WATER TREATMENT PLANTS IN IRAQ BY CFD MODEL | ||
| Al-Qadisiyah Journal for Engineering Sciences | ||
| Article 1, Volume 3, Issue 1, 2010, Pages 1-13 PDF (0 K) | ||
| Authors | ||
| Dr.Abbas A. Al-Jeebory; Dr. Josef Kris; Dr.Ali H. Ghawi | ||
| Abstract | ||
| The aim of this study is to improve the operation and performance Water Treatment Plant by improving circular sedimentation tanks of Al-Gazaer Water Treatment Plants in Al-Dewanyia city in Iraq which have been identified as operating poorly. A developed model of the circular settling tanks for the Water Treatment Plant of Al-Gazaer was prepared using Computational Fluid Dynamics (CFD). A three dimensional, multi-phase simulations with solids transport and removal included is used, and reflected the state of the art in settling modeling. Computational Fluid Dynamics simulations are employed to assess the effect of adding a vertical baffle at the feed section of a full-scale sedimentation tank for the improvement of solids settling in potable water treatment. Special attention was paid to the inlet baffle in the model setup. Apparently, there is a good agreement between measured and predicted values. Results show, the overall solids removal efficiency increased when using the baffle from 50 to 90.5% leading to a reduction of the effluent solids concentration of approximately 86%. | ||
| Keywords | ||
| Circular settling tank; Computational fluid dynamics; residence time distribution; Modeling; simulation | ||
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