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Article Type

Article

Abstract

For the purpose of evaluating the performance of the Al-Jadriya water project, water samples were taken before and after the sedimentation basins to find out the efficiency of the sedimentation ponds, as well as water samples were taken before and after the filtration basins, to know the efficiency of the filtration basins by conducting the following tests on them (Turbidity, TDS, TC, pH) to ensure that these ponds work properly. It was found that the efficiency rate of sedimentation ponds was 83%, which indicates the inefficiency of these ponds, as well as the inefficiency of the fast and slow mixing phases due to the use of poor alum quality, as well as the existence of maintenance problems for these ponds and the lack of rapid mixing ponds. The efficiency rate of filter ponds was 93%. From these results it is possible to conclude that the filters are working well. The water temperature changes depended on the air temperature, and also the temperature did not change when water moves between the plant units because all the units were opened and not covered, except for the pressure filters where they were closed and thus there is no significant effect of the water temperature on the water properties. Furthermore, practically the pH values should range (6.5-8.5) and the values which were measured ranged from 7-8, which is within the Iraqi determinants of drinking water. As for the total dissolved substances (TDS), which are considered as one of the characteristics of the water and do not have a direct effect on the drinking water, as it shows the amount of dissolved salts present in the water and compares it with Iraqi and international specifications.

Keywords

Evaluation; Performance; Water treatment; Al-Jadriya

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