Volume 10, Issue 3 (yafte 2008)                   yafte 2008, 10(3): 79-86 | Back to browse issues page

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Pirialam R, Shams khorramabadi G, Shahmansouri M R, Farzadkiya M. Determination of corrosion and sedimentation potential in drinking water distribution system of khorramabad city by corrosion indices and weight loss method. yafte. 2008; 10 (3) :79-86
URL: http://yafte.lums.ac.ir/article-1-92-en.html
Abstract:   (14010 Views)
Pirialam R1, Shams khorramabadi Gh2, Shahmansouri MR3, Farzadkiya M4 1. MSc in Environmental Health, Lorestan University of Medical Sciences, Khorramabad, Iran 2. Assistant Professor, Department of Environmental Health, Faculty of Health, Lorestan University of Medical Sciences, Khorramabad, Iran 3. Associate Professor, Department of Environmental Health, Faculty of Health, Isfahan University of Medical Sciences, Isfahan, Iran 4. Assistant Professor, Department of Environmental Health, Faculty of Health, Iran University of Medical Sciences, Tehran, Iran Abstract Background: According to the standard, drinking water must not be corrosive. Corrosive water solve primery materials of pipes, joints and valves in municipal water distribution systems and home plumbing systems and cause a lot of health, aesthetic and economic problems in water distribution systems. Thus, determination of corrosion potential of drinking water using methods which are feasible and reliable is necessary, and corrosion should be controlled in drinking water for water sanitation and health promotion among citizens. Materials and Methods: This research was carried out to determine water corrosivity or sedimentation potential in Khorramabad city, using corrosion indices. In this project 50 points as samples in two stages in the Summer and Autumn seasons were determined, and amount of corrosion indices, including Langelier Indice, Ryzener indice, Aggressive indice and Pokurious indice, corrosivity and temperature, calcium hardness, alkalinity, total dissolved solid and PH were calculated two times within a 3-month interval, then the data obtained from results were analyzed using SPSS software and statistical tests. Results: Results of corrosion indices show that drinking water of Khorramabad is in equilibrium condition and has tendency to corrosion. Calculated corrosion indices are as fllows: Langelier (-0.157), Ryzener (7.86), Aggressive (11.626), and Pokurious indice (7.65). Conclusion: Statistical tests of Pearson and Spearman correlation coefficient don indicate significant relationship between quality parameters with corrosion indices Results of corrosion indices showed that drinking water of Khorramabad is inclined to corrosion.
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Type of Study: Research |
Received: 2009/03/8 | Accepted: 2021/10/13 | Published: 2008/10/15

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