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Adsorption rate of phosphate corrosion inhibitor in carbon steel pipe

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2005, 14(1), pp.17-24
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

Woo Dal Sik 1 Hwang Byung Gi 2

1한국계면공학연구소
2상명대학교

Accredited

ABSTRACT

This study was performed to evaluate the adsorption rate of phosphate corrosion inhibitorand reaction rate constant in drinking water distribution systems. The optimum concentrationof corrosion inhibitor would vary depending on the quality of water, pipe materials, andcondition of metal surfaces. The current adsorption study indicated that the residual phosphateconcentration of the corrosion inhibitor decreased with the time as it adsorbed on the surface ofpipe material. As time went by, the residual phosphate concentration became constant. It meansthat the formation of the corrosion protection film on metal surfaces is completed.

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