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KMID : 1024520150240070907
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Journal of the Environmental Sciences
2015 Volume.24 No. 7 p.907 ~ p.915
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The Monitoring of Corrosive Water Quality in Water Distribution System by Corrosion Characteristics of Raw and Tap water
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Bae Seog-Moon
Kim Do-Hwan
Son Hee-Jong
Choi Dong-Hoon
Kim Ik-Sung
Kim Kyung-A
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Abstract
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The tap water is generally known to be corrosive in the pH range at 6.5 ~ 7.5. And the degree of corrosion varies depending on the types of raw water such as river surface water or lake water of the dam. Although several corrosion index represents the corrosivity of tap water, the typical corrosion indexes such as Langelier saturation index (LI) and calcium carbonate precipitation potential (CCPP) were calculated to monitoring the corrosive water quality about raw and tap water in water distribution system. To control the corrosive water quality, the correlation between corrosion index and water quality factors were examined. In this study, corrosion index (LI, CCPP) and the pH was found to be most highly correlated.
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KEYWORD
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Corrosion index, LI, CCPP, Water distribution system, Tap water
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