Residual chlorine modeling in water distribution system: A case study of defence housing scheme (DHS), Lahore

2012 ◽  
Vol 7 (33) ◽  
Author(s):  
Mumtaz Shah,
Keyword(s):  
Distribution System ◽  
Water Distribution ◽  
Water Distribution System ◽  
Residual Chlorine ◽  
System A ◽  
Housing Scheme

scholarly journals Evaluation of corrosion and scaling tendency indices in a drinking water distribution system: a case study of Bandar Abbas city, Iran

2014 ◽  
Vol 13 (1) ◽  
pp. 203-209 ◽  
Author(s):  
Vali Alipour ◽  
Kavoos Dindarloo ◽  
Amir Hossein Mahvi ◽  
Leila Rezaei
Keyword(s):  
Distribution System ◽  
Distribution Systems ◽  
Water Distribution ◽  
Water Distribution System ◽  
Total Hardness ◽  
Test Results ◽  
System A ◽  
Drinking Water Distribution ◽  
Bandar Abbas

Corrosion and scaling is a major problem in water distribution systems, thus evaluation of water corrosivity properties is a routine test in water networks. To evaluate water stability in the Bandar Abbas water distribution system, the network was divided into 15 clusters and 45 samples were taken. Langelier, Ryznar, Puckorius, Larson–Skold (LS) and Aggressive indices were determined and compared to the marble test. The mean parameters included were pH (7.8 ± 0.1), electrical conductivity (1,083.9 ± 108.7 μS/cm), total dissolved solids (595.7 ± 54.7 mg/L), Cl (203.5 ± 18.7 mg/L), SO4 (174.7 ± 16.0 mg/L), alkalinity (134.5 ± 9.7 mg/L), total hardness (156.5 ± 9.3 mg/L), HCO3 (137.4 ± 13.0 mg/L) and calcium hardness (71.8 ± 4.3 mg/L). According to the Ryznar, Puckorius and Aggressive Indices, all samples were stable; based on the Langelier Index, 73% of samples were slightly corrosive and the rest were scale forming; according to the LS index, all samples were corrosive. Marble test results showed tested water of all 15 clusters tended to scale formation. Water in Bandar Abbas is slightly scale forming. The most appropriate indices for the network conditions are the Aggressive, Puckorius and Ryznar indices that were consistent with the marble test.

Evaluation of corrosion and scaling tendency indices in water distribution system: a case study of Torbat Heydariye, Iran

2016 ◽  
Vol 57 (54) ◽  
pp. 25918-25926 ◽  
Author(s):  
Majid Mirzabeygi ◽  
Mozhgan Naji ◽  
Nader Yousefi ◽  
Mahmoud Shams ◽  
Hamed Biglari ◽  
...  
Keyword(s):  
Distribution System ◽  
Water Distribution ◽  
Water Distribution System ◽  
System A

Potential for iron release in drinking water distribution system: a case study of Hamedan city, Iran

2015 ◽  
Vol 57 (31) ◽  
pp. 14461-14472 ◽  
Author(s):  
Alireza Mesdaghinia ◽  
Ramin Nabizadeh Nodehi ◽  
Simin Nasseri ◽  
Syed A. Imran ◽  
Mohammad Taghi Samadi ◽  
...  
Keyword(s):  
Drinking Water ◽  
Distribution System ◽  
Water Distribution ◽  
Water Distribution System ◽  
Drinking Water Distribution System ◽  
Iron Release ◽  
System A ◽  
Drinking Water Distribution
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