상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제26권1호
  • /
  • Pages.97-106
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  • 2012
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  • 1225-7672(pISSN)
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  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
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부식억제제에 의한 상수도관의 피막 형성 및 수질개선 효과

Coating formation of water supply pipes by inhibitor and water quality improvement effect

  • 발행 : 2012.02.15
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초록

To investigate the application of corrosion inhibitor on water supply pipes, turbidity, magnitude of corrosion, composition of scale and concentration of metals from an old steel pipe were analysed under inhibitor addition. The concentration of turbidity, iron and copper from the pipes under inhibitor application was 12 ~ 14% of the case which no inhibitor was applied, which suggests the application of inhibitor was very effective for internal corrosion control. In addition, SEM, EDX, XRD and XRF test results showed that application of inhibitor was effective for the decrease of iron concentration and increase of oxygen, phosphorus and calcium concentration, which suggested the existence of protective layer. Therefore, the occurrence of red water will be significantly decreased when inhibitor was applied to the old steel pipes.

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참고문헌

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피인용 문헌

  1. Study on characteristic for Larson's ratio of water treatment plants vol.30, pp.5, 2016, https://doi.org/10.11001/jksww.2016.30.5.579
  2. Developing a Model for Controlling Internal Corrosion in Water Supply System vol.09, pp.02, 2017, https://doi.org/10.4236/jwarp.2017.92013