Volume 1, Number 1 (12-2015)                   rsj 2015, 1(1): 51-60 | Back to browse issues page


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Badee Nezhad A, Hydari M R, Farzadkia M. Corrosion and Scaling Potential of Drinking Water Network in South of Shiraz City, Iran. rsj. 2015; 1 (1) :51-60
URL: http://rsj.iums.ac.ir/article-1-26-en.html

Abstract:   (439 Views)

Abstract

Background and Objectives: Scaling and corrosion is one of the most important index in water quality evaluation. The objective of this study was to determine the corrosion and scaling potential of drinking water network in south of Shiraz city, Iran.

Materials and Methods: In this cross-sectional study, this network was divided into 9 sections and, regularly 3 samples from each section were taken. For this study, some important indexes about the corrosion and scaling such as, Langelier, Rayznr, Larson and Puckorius were considered. These indexes were calculated by using some parameters consists of temperature, Calcium hardness, alkalinity, Sulfate, Chloride, total dissolved solids, and pH in 2013.

Results: The results showed that total hardness contents is very high in all of parts of the water distribution network in south of Shiraz city. The calculated results showed that the mean and standard deviation values of LSi, RSi, LS and PSi were equal to -0.46 ± 0.39, 7.4 ± 0.17, 1.3±0.15 and 7.15 ± 0.33, respectively.

Conclusion: The results showed that despite of the most of parameters in the study areas are in suitable status compared to the national standard but according to stability index the water network of south of Shiraz has a variable corrosion ratio from low  to moderate.

Full-Text [PDF 495 kb]   (267 Downloads)    
Type of Study: Research | Subject: General
Received: 2015/11/18 | Accepted: 2015/12/2 | Published: 2015/12/16

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