Abstract
AbstractTo meet the growing demand for potable water, desalinated water is becoming a significant component of the overall water supply. As a result, there is an increased need to understand how the addition of desalinated water within aging water distribution systems impacts water quality and the ability to deliver safe drinking water when unlined cast iron pipes and cement mortar-lined cast iron pipes are both present in the distribution systems. In this paper, we studied the relationship of turbidity, total iron content, and the effects of pH, alkalinity, and hardness on the dissolved silica. Then, we presented the mathematical and pilot-scale empirical development and quantification of three nonlinear regression models and used pH, alkalinity, total hardness, temperature, and hydraulic retention time as water quality variables. The dependent variables were the total iron concentration, the increase in turbidity, and the concentration of dissolved silica. Based on the three models, which use a genetic ...
Published Version
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