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박재현 ( Jae Hyun Park ),이현동 ( Hyun Dong Lee ),곽필재 ( Pil Ljae Kwak ),강성원 ( Sung Won Kang ),안광호 ( Kwang Ho Ahn ),이주연 ( Joo Yeon Lee ),박은주 ( Eun Zoo Park ),김지은 ( Gi Eun Kim ),공명식 ( Myeong Sik Kong ) 한국물환경학회 ( 구 한국수질보전학회 ) 2012 한국물환경학회·대한상하수도학회 공동 춘계학술발표회 Vol.2012 No.-
이현동 ( Hyun Dong Lee ),김지은 ( Gi Eun Kim ),곽필재 ( Pil Jae Kwak ),박재현 ( Jae Hyun Park ),공명식 ( Myeong Sik Kong ),강성원 ( Sung Won Kang ),이재영 ( Jai Young Lee ) 한국수처리학회 2012 한국수처리학회지 Vol.20 No.2
The security of alternative water resources have become a very important part iii the water resources researches. Among various water resources, reclaimed water are becoming objects of interests as stable water sources that will replace agricultural, industrial and public supply water owing to good water quality and comparatively predictable capacity. Since pilot projects of water reuse have been progressing after 2006, corrosion characteristic analysis on reclaimed water or corrosion influences by pipe types is insignificant. So, this study investigated corrosion characteristics by pipe types of reclaimed water through loop test. Also, the study evaluated influences on the corrosion of internal pipes qualitatively by utilizing corrosion indices. As a results, the assessment of corrosiveness by corrosion indices showed that depending on the characteristics of water quality, the assessment of LSI and KWI showed a result different from the assessment of LR. It was because LSI was based on the deposition of calcium carbonates, whereas LR was based on sulfate ion, chloride ion, and alkalinity. However, reclaimed water gets more impact from the corrosion accelerating factors than the corrosion inhibiting factors. Based on such reason, KRWI. which is appropriate to the water quality characteristics of reclaimed water, had been developed and suggested,