Comparison of residual chlorine in drinking water sources in urban and rural Ilam
Subject Areas : The Application of Chemistry in Environment
Keywords: drinking water, chlorine,
Abstract :
Background: Water is the most basic needs of living things on earth. Therefore, to provide safe water and prevent the outbreak of various water treatment methods, particularly the elimination of pathogens that are often at different stages of chlorination of water treatment plant and distribution network is in use. Materials and Methods: After coordination with State health experts, one-day training class for all Technicians and experts in public health (for achieving uniform information) be formed in the province. After justify the project and its objectives referred to health centers in the city, and parts of water supply network of urban and rural areas chlorine measure done. To determine the amount of residual chlorine in municipal water networks using the DPD method. Results: The results of the analysis showed that 45,526 of the total residual chlorine in water samples taken in urban centers, 89/71 percent favorable and 10/28 percent unfavorable and the total number of 157,075 samples in rural centers , 74/71 percent favorable and 25/29 percent unfavorable and the difference was significant (P=/0000/1). Comparing the first and second six-month period showed that the optimum level of residual chlorine in the water, there was no significant difference in the first half and second The difference is in favor of the second (P=/0000/1), while in rural areas the difference is in favor of the first six months (P=/0000/1). Conclusion: It is hoped that appropriate measures can be organized and excellent management of residual chlorine in poor rural and urban water supply network was reduced to zero So often undesirable residual chlorine in the distribution network can be reduced to zero.
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