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|Title||Effectiveness of water supply disinfection system in Um Al- Nasser village as a marginal rural community|
Water disinfection is one of the most important processes which protect public health. Chlorination is the best disinfectant which owns the properties to remain until after the disinfecting process as it provides certain and continuous protection of drinking water from water sources leading to the final consumer. Besides being cheap, chlorination is the most widely used disinfectant in centralized water distribution systems. This study is based on the water distribution network in Um Al Nasser village north Gazagovernorate to ascertaining the factors, the effectiveness of chlorination process in the municipal water distribution network. The study aims to investigate the behavior of the water systems under the action of intermittent pumping a procedure of modeling the system as in reality system using (WaterCad Program). The outputs showed that the network is exposed to relatively high values of pressure and low value of velocity. The study relied mainly on the measurements of residual chlorine in the drinking water network of Um Al Nasser village in the period between January 2010 until August 2013, of fixed sampling point representing the whole area network. The study showed that some concentrations of residual chlorine in municipal water distribution network was infringement of the allowed values according to WHO guidelines by 51%. The study confirmed the existence of inverse correlation between the amount of residual chlorine and the distance from the source of chlorination in water supply network. The study was concerned about the impact of decreasing of residual chlorine in the network within waterborne. SPSS and Excel programs are used to analyze the data collected about residual chlorine and waterborne diseases such as Pin Worms, Ascariasis, Amoebiasis, Giardiasis and Diarrhoea. A strong negative correlation was found for Gaiardiasis and Diarrheal diseases with Average residual chlorine in drinking water networks in Um Al Nasser village whereas correlation with Pin Worms was the weakest. The results were discusses and appropriate recommendations were done in order to maintain the quality and safety of drinking water.
|Publisher||الجامعة الإسلامية - غزة|
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