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Corrosion Study of Carbon Steel in Biodiesel and Water Mixture Using Multielectrode Array.

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Title: Corrosion Study of Carbon Steel in Biodiesel and Water Mixture Using Multielectrode Array.
Authors: Gui, F.1 feng.gui@dnv.com, James, J.1, Sridhar, N.1
Source: Corrosion. Sep2012, Vol. 68 Issue 9, p827-834. 8p.
Subjects: Carbon steel corrosion, Steel corrosion, Corrosion & anti-corrosives, Electrodes, Electrochemical research
Abstract: The demand for biodiesel and biodiesel blends as a fuel source has increased exponentially in the last decade. Water is the most significant contaminant in biodiesel-handling facilities (pipeline, storage tanks on the land, and fuel storage tanks on ships). Corrosion performance of materials in these facilities in biodiesel needs to be understood well to ascertain the facility integrity. The highly resistive nature of biodiesel imposes a great challenge in using the conventional electrochemical techniques for corrosion evaluation, even in the presence of water. Multielectrode array technique was demonstrated to be useful in evaluating the corrosion o f steel in both the biodiesel phase and the water phase that is overlaid by the biodiesel phase. This work demonstrated that the corrosion rate in biodiesel phase is low. However, the biodiesel does influence the corrosion rate in the water phase when it is in contact. Appreciable corrosion was observed on the steel exposed to the water phase below a biodiesel layer, likely because of the diffusion of corrosive species (e.g.. chloride) from the biodiesel phase into the water phase. [ABSTRACT FROM AUTHOR]
Copyright of Corrosion is the property of Association for Materials Protection & Performance (AMPP) and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 108413907
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Corrosion Study of Carbon Steel in Biodiesel and Water Mixture Using Multielectrode Array.
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  Data: <searchLink fieldCode="AR" term="%22Gui%2C+F%2E%22">Gui, F.</searchLink><relatesTo>1</relatesTo><i> feng.gui@dnv.com</i><br /><searchLink fieldCode="AR" term="%22James%2C+J%2E%22">James, J.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sridhar%2C+N%2E%22">Sridhar, N.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Corrosion%22">Corrosion</searchLink>. Sep2012, Vol. 68 Issue 9, p827-834. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Carbon+steel+corrosion%22">Carbon steel corrosion</searchLink><br /><searchLink fieldCode="DE" term="%22Steel+corrosion%22">Steel corrosion</searchLink><br /><searchLink fieldCode="DE" term="%22Corrosion+%26+anti-corrosives%22">Corrosion & anti-corrosives</searchLink><br /><searchLink fieldCode="DE" term="%22Electrodes%22">Electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22Electrochemical+research%22">Electrochemical research</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The demand for biodiesel and biodiesel blends as a fuel source has increased exponentially in the last decade. Water is the most significant contaminant in biodiesel-handling facilities (pipeline, storage tanks on the land, and fuel storage tanks on ships). Corrosion performance of materials in these facilities in biodiesel needs to be understood well to ascertain the facility integrity. The highly resistive nature of biodiesel imposes a great challenge in using the conventional electrochemical techniques for corrosion evaluation, even in the presence of water. Multielectrode array technique was demonstrated to be useful in evaluating the corrosion o f steel in both the biodiesel phase and the water phase that is overlaid by the biodiesel phase. This work demonstrated that the corrosion rate in biodiesel phase is low. However, the biodiesel does influence the corrosion rate in the water phase when it is in contact. Appreciable corrosion was observed on the steel exposed to the water phase below a biodiesel layer, likely because of the diffusion of corrosive species (e.g.. chloride) from the biodiesel phase into the water phase. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Corrosion is the property of Association for Materials Protection & Performance (AMPP) and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.5006/0591
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 827
    Subjects:
      – SubjectFull: Carbon steel corrosion
        Type: general
      – SubjectFull: Steel corrosion
        Type: general
      – SubjectFull: Corrosion & anti-corrosives
        Type: general
      – SubjectFull: Electrodes
        Type: general
      – SubjectFull: Electrochemical research
        Type: general
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      – TitleFull: Corrosion Study of Carbon Steel in Biodiesel and Water Mixture Using Multielectrode Array.
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            – D: 01
              M: 09
              Text: Sep2012
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              Y: 2012
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