The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective
Models for predicting top-of-line corrosion (TLC) rates on carbon steels are important tools for cost-effectively designing and operating natural gas transportation pipelines. The work presented in this paper is aimed to investigate how the corrosion rates on carbon steel is affected by acids typica...
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ftunivstavanger:oai:uis.brage.unit.no:11250/3053465 2023-06-11T04:10:55+02:00 The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective Gjertsen, Sondre Borg Palencsar, Attila Seiersten, Marion Hemmingsen, Tor 2021-11-30T12:31:02Z application/pdf https://hdl.handle.net/11250/3053465 https://doi.org/10.1088/1757-899X/1201/1/012079 eng eng IOP Publishing Gjertsen, S. B., Palencsar, A., Seiersten, M., & Hemmingsen, T. H. (2021). The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective. In IOP Conference Series: Materials Science and Engineering (Vol. 1201, No. 1, p. 012079). IOP Publishing. urn:issn:1757-8981 https://hdl.handle.net/11250/3053465 https://doi.org/10.1088/1757-899X/1201/1/012079 cristin:1961638 Navngivelse 4.0 Internasjonal http://creativecommons.org/licenses/by/4.0/deed.no The authors 10 1201 IOP Conference Series: Materials Science and Engineering VDP::Teknologi: 500 Peer reviewed Journal article 2021 ftunivstavanger https://doi.org/10.1088/1757-899X/1201/1/012079 2023-05-29T16:04:01Z Models for predicting top-of-line corrosion (TLC) rates on carbon steels are important tools for cost-effectively designing and operating natural gas transportation pipelines. The work presented in this paper is aimed to investigate how the corrosion rates on carbon steel is affected by acids typically present in the transported pipeline fluids. This investigation may contribute to the development of improved models. In a series of experiments, the corrosion rate differences for pure CO2 (carbonic acid) corrosion and pure organic acid corrosion (acetic acid and formic acid) on X65 carbon steel were investigated at starting pH values; 4.5, 5.3, or 6.3. The experiments were conducted in deaerated low-salinity aqueous solutions at atmospheric pressure and temperature of 65 °C. The corrosion rates were evaluated from linear polarization resistance data as well as mass loss and released iron concentration. A correlation between lower pH values and increased corrosion rates was found for the organic acid experiments. However, the pH was not the most critical factor for the rates of carbon steel corrosion in these experiments. The experimental results showed that the type of acid species involved and the concentration of the undissociated acid in the solution influenced the corrosion rates considerably. publishedVersion Article in Journal/Newspaper Carbonic acid University of Stavanger: UiS Brage IOP Conference Series: Materials Science and Engineering 1201 1 012079 |
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VDP::Teknologi: 500 Gjertsen, Sondre Borg Palencsar, Attila Seiersten, Marion Hemmingsen, Tor The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective |
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VDP::Teknologi: 500 |
description |
Models for predicting top-of-line corrosion (TLC) rates on carbon steels are important tools for cost-effectively designing and operating natural gas transportation pipelines. The work presented in this paper is aimed to investigate how the corrosion rates on carbon steel is affected by acids typically present in the transported pipeline fluids. This investigation may contribute to the development of improved models. In a series of experiments, the corrosion rate differences for pure CO2 (carbonic acid) corrosion and pure organic acid corrosion (acetic acid and formic acid) on X65 carbon steel were investigated at starting pH values; 4.5, 5.3, or 6.3. The experiments were conducted in deaerated low-salinity aqueous solutions at atmospheric pressure and temperature of 65 °C. The corrosion rates were evaluated from linear polarization resistance data as well as mass loss and released iron concentration. A correlation between lower pH values and increased corrosion rates was found for the organic acid experiments. However, the pH was not the most critical factor for the rates of carbon steel corrosion in these experiments. The experimental results showed that the type of acid species involved and the concentration of the undissociated acid in the solution influenced the corrosion rates considerably. publishedVersion |
format |
Article in Journal/Newspaper |
author |
Gjertsen, Sondre Borg Palencsar, Attila Seiersten, Marion Hemmingsen, Tor |
author_facet |
Gjertsen, Sondre Borg Palencsar, Attila Seiersten, Marion Hemmingsen, Tor |
author_sort |
Gjertsen, Sondre Borg |
title |
The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective |
title_short |
The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective |
title_full |
The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective |
title_fullStr |
The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective |
title_full_unstemmed |
The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective |
title_sort |
effect of volatile organic acids and co2 on the corrosion rate of carbon steel from a top-of-line-corrosion (tlc) perspective |
publisher |
IOP Publishing |
publishDate |
2021 |
url |
https://hdl.handle.net/11250/3053465 https://doi.org/10.1088/1757-899X/1201/1/012079 |
genre |
Carbonic acid |
genre_facet |
Carbonic acid |
op_source |
10 1201 IOP Conference Series: Materials Science and Engineering |
op_relation |
Gjertsen, S. B., Palencsar, A., Seiersten, M., & Hemmingsen, T. H. (2021). The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective. In IOP Conference Series: Materials Science and Engineering (Vol. 1201, No. 1, p. 012079). IOP Publishing. urn:issn:1757-8981 https://hdl.handle.net/11250/3053465 https://doi.org/10.1088/1757-899X/1201/1/012079 cristin:1961638 |
op_rights |
Navngivelse 4.0 Internasjonal http://creativecommons.org/licenses/by/4.0/deed.no The authors |
op_doi |
https://doi.org/10.1088/1757-899X/1201/1/012079 |
container_title |
IOP Conference Series: Materials Science and Engineering |
container_volume |
1201 |
container_issue |
1 |
container_start_page |
012079 |
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1768385662875074560 |