Top of the line corrosion in presence of acetic acid and carbon dioxide

  • Singer M
  • Nesic S
  • Gunaltun Y
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This paper deals with the phenomena of corrosion by acetic acid and carbon dioxide at the top of a horizontal pipeline under dewing conditions. The effect of different parameters known to influence the Top of the Line Corrosion (TLC), such as the condensation rate and the bulk temperature is studied. The free acetic acid concentration varies from 0 to 1000 ppm, the bulk temperature, is set mainly at 70oC, the condensation rate is varied while the partial pressure of carbon dioxide and the gas velocity are set at a fixed value. The presence of acetic acid increases the corrosion rate both at the top and at the bottom of the line in different ways. The condensation rate influences strongly the top of the line corrosion when it has a small influence at the bottom. Evidences of localized corrosion are found at the bottom of the line. The corrosion at the top is uniform in the experiments conducted.

Author-supplied keywords

  • acetic acid
  • carbon dioxide
  • condensation rate
  • corrosion
  • top of the line

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  • PUI: 39316397
  • SCOPUS: 2-s2.0-33646213043
  • SGR: 33646213043


  • Marc Singer

  • Srdjan Nesic

  • Yves Gunaltun

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