CO and trans-cinnamaldehyde as corrosion inhibitors of I825, L80-13Cr and N80 alloys in concentrated HCl solutions at high pressure and temperature

Gema Cabello, Gary P. Funkhouser, Juanita Cassidy, Chad E. Kiser, Jim Lane, Angel Cuesta

Research output: Contribution to journalArticle

19 Citations (Scopus)
4 Downloads (Pure)

Abstract

In this paper, corrosion inhibition by chemisorbed CO, at high pressure and temperature, on a high-Ni ferrous alloy (Incoloy 825) and two high-Fe alloys (13Cr-L80 (Uniloy-420) and N80 steels) in very aggressive conditions (15% (w/w) HCl solution) is described. CO was either directly dosed into the electrolyte, or produced by dehydration of formic acid. It is shown that CO is a very good corrosion inhibitor, the inhibiting effect being even higher at high pressure and temperature than at normal pressure and room temperature. The effect of combining CO with a common acid corrosion inhibitor, trans-cinnamaldehyde (TCA), at high pressure and temperature, was also studied. Under these conditions, the polymerization of TCA may be favored, leading to a thin film on the metal surface that appears to serve as a barrier to corrosion. It was found that, when CO is used in combination with TCA, the inhibiting effect of the latter is considerably intensified.
Original languageEnglish
Pages (from-to)1-9
Number of pages9
JournalElectrochimica Acta
Volume97
Early online date13 Mar 2013
DOIs
Publication statusPublished - 1 May 2013

Fingerprint

Corrosion inhibitors
Carbon Monoxide
formic acid
Corrosion
Temperature
Iron alloys
Formic acid
Dehydration
Steel
Electrolytes
Polymerization
Thin films
Metals
Acids
cinnamic aldehyde

Keywords

  • corrosion inhibition
  • CO
  • trans-cinnamaldehyde
  • concentrated HCl
  • oilfield industry

Cite this

CO and trans-cinnamaldehyde as corrosion inhibitors of I825, L80-13Cr and N80 alloys in concentrated HCl solutions at high pressure and temperature. / Cabello, Gema; Funkhouser, Gary P.; Cassidy, Juanita; Kiser, Chad E.; Lane, Jim; Cuesta, Angel.

In: Electrochimica Acta, Vol. 97, 01.05.2013, p. 1-9.

Research output: Contribution to journalArticle

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T1 - CO and trans-cinnamaldehyde as corrosion inhibitors of I825, L80-13Cr and N80 alloys in concentrated HCl solutions at high pressure and temperature

AU - Cabello, Gema

AU - Funkhouser, Gary P.

AU - Cassidy, Juanita

AU - Kiser, Chad E.

AU - Lane, Jim

AU - Cuesta, Angel

PY - 2013/5/1

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N2 - In this paper, corrosion inhibition by chemisorbed CO, at high pressure and temperature, on a high-Ni ferrous alloy (Incoloy 825) and two high-Fe alloys (13Cr-L80 (Uniloy-420) and N80 steels) in very aggressive conditions (15% (w/w) HCl solution) is described. CO was either directly dosed into the electrolyte, or produced by dehydration of formic acid. It is shown that CO is a very good corrosion inhibitor, the inhibiting effect being even higher at high pressure and temperature than at normal pressure and room temperature. The effect of combining CO with a common acid corrosion inhibitor, trans-cinnamaldehyde (TCA), at high pressure and temperature, was also studied. Under these conditions, the polymerization of TCA may be favored, leading to a thin film on the metal surface that appears to serve as a barrier to corrosion. It was found that, when CO is used in combination with TCA, the inhibiting effect of the latter is considerably intensified.

AB - In this paper, corrosion inhibition by chemisorbed CO, at high pressure and temperature, on a high-Ni ferrous alloy (Incoloy 825) and two high-Fe alloys (13Cr-L80 (Uniloy-420) and N80 steels) in very aggressive conditions (15% (w/w) HCl solution) is described. CO was either directly dosed into the electrolyte, or produced by dehydration of formic acid. It is shown that CO is a very good corrosion inhibitor, the inhibiting effect being even higher at high pressure and temperature than at normal pressure and room temperature. The effect of combining CO with a common acid corrosion inhibitor, trans-cinnamaldehyde (TCA), at high pressure and temperature, was also studied. Under these conditions, the polymerization of TCA may be favored, leading to a thin film on the metal surface that appears to serve as a barrier to corrosion. It was found that, when CO is used in combination with TCA, the inhibiting effect of the latter is considerably intensified.

KW - corrosion inhibition

KW - CO

KW - trans-cinnamaldehyde

KW - concentrated HCl

KW - oilfield industry

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DO - 10.1016/j.electacta.2013.03.011

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JO - Electrochimica Acta

JF - Electrochimica Acta

SN - 0013-4686

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