The CO2 corrosion inhibition of a high strength pipeline steel by hydroxyethyl imidazoline
The corrosion inhibition of a X-80 pipeline steel in saltwater saturated with CO2 at 50A degree C with hydroxyethyl imidazoline has been evaluated by using electrochemical techniques. Techniques included polarization curves, linear polarization curves, electrochemical impedance and electrochemical n...
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| Veröffentlicht in: | Materials chemistry and physics 2010-08, Vol.122 (2-3), p.485-490 |
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| creator | Ortega-Toledo, D.M. Gonzalez-Rodriguez, J.G. Casales, M. Neri-Florez, M.A. Martinez-Villafañe, A. |
| description | The corrosion inhibition of a X-80 pipeline steel in saltwater saturated with CO2 at 50A degree C with hydroxyethyl imidazoline has been evaluated by using electrochemical techniques. Techniques included polarization curves, linear polarization curves, electrochemical impedance and electrochemical noise measurements with inhibitor concentrations of 0, 5, 10, 25, 50 and 100ppm. Results showed that this inhibitor was an anodic-type inhibitor and the best inhibitor efficiency was reached with 25ppm, and it increased as time elapsed. The corrosion process was different for inhibitor depending of its concentration; for doses lower than 25ppm the process was under intermediate species adsorption control, whereas for 25ppm of inhibitor concentration, the corrosion mechanism was under a mixed charge transfer and diffusion control. The monitoring of the film formation could be followed by using electrochemical noise measurements. |
| doi_str_mv | 10.1016/j.matchemphys.2010.03.031 |
| format | Article |
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Techniques included polarization curves, linear polarization curves, electrochemical impedance and electrochemical noise measurements with inhibitor concentrations of 0, 5, 10, 25, 50 and 100ppm. Results showed that this inhibitor was an anodic-type inhibitor and the best inhibitor efficiency was reached with 25ppm, and it increased as time elapsed. The corrosion process was different for inhibitor depending of its concentration; for doses lower than 25ppm the process was under intermediate species adsorption control, whereas for 25ppm of inhibitor concentration, the corrosion mechanism was under a mixed charge transfer and diffusion control. The monitoring of the film formation could be followed by using electrochemical noise measurements.</description><subject>Carbon dioxide</subject><subject>Corrosion</subject><subject>Corrosion inhibitors</subject><subject>Corrosion mechanisms</subject><subject>Electrochemical noise measurement</subject><subject>Imidazoline</subject><subject>Inhibition</subject><subject>Pipelines</subject><subject>Steels</subject><issn>0254-0584</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNpNkMtqwzAQRbVooenjH9RVV0lHkmUryxL6gkA26aYbIcvjSMG2XMmBul9fm3RRuDDD5TAwh5B7BisGLH88rlozWIdt78a04jD1IKawC7IALrMlSJVdkeuUjgCsYEwsyOfeId3sOLUhxpB86KjvnC_9MK-hpoY6f3A0DRG7w-Bo73tsfIdTg9jQcqRurGL4HnFwY0N96yvzE2billzWpkl49zdvyMfL837zttzuXt83T9ul5WsxLLktamQVZlzmhTKqVhJqLExWMVVWNgOulFBVJnMphABjga0NnxBAWUoAcUMeznf7GL5OmAbd-mSxaUyH4ZR0kQOHIi_4RK7PpJ1eTRFr3UffmjhqBnpWqI_6n0I9K9QgpjDxC13tbCE</recordid><startdate>201008</startdate><enddate>201008</enddate><creator>Ortega-Toledo, D.M.</creator><creator>Gonzalez-Rodriguez, J.G.</creator><creator>Casales, M.</creator><creator>Neri-Florez, M.A.</creator><creator>Martinez-Villafañe, A.</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>201008</creationdate><title>The CO2 corrosion inhibition of a high strength pipeline steel by hydroxyethyl imidazoline</title><author>Ortega-Toledo, D.M. ; Gonzalez-Rodriguez, J.G. ; Casales, M. ; Neri-Florez, M.A. ; Martinez-Villafañe, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-2c7fe1de425678a8f850fe7a4d18bdc4028838d45653330ac019a20fe0e5b5003</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Carbon dioxide</topic><topic>Corrosion</topic><topic>Corrosion inhibitors</topic><topic>Corrosion mechanisms</topic><topic>Electrochemical noise measurement</topic><topic>Imidazoline</topic><topic>Inhibition</topic><topic>Pipelines</topic><topic>Steels</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ortega-Toledo, D.M.</creatorcontrib><creatorcontrib>Gonzalez-Rodriguez, J.G.</creatorcontrib><creatorcontrib>Casales, M.</creatorcontrib><creatorcontrib>Neri-Florez, M.A.</creatorcontrib><creatorcontrib>Martinez-Villafañe, A.</creatorcontrib><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Materials chemistry and physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ortega-Toledo, D.M.</au><au>Gonzalez-Rodriguez, J.G.</au><au>Casales, M.</au><au>Neri-Florez, M.A.</au><au>Martinez-Villafañe, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The CO2 corrosion inhibition of a high strength pipeline steel by hydroxyethyl imidazoline</atitle><jtitle>Materials chemistry and physics</jtitle><date>2010-08</date><risdate>2010</risdate><volume>122</volume><issue>2-3</issue><spage>485</spage><epage>490</epage><pages>485-490</pages><issn>0254-0584</issn><abstract>The corrosion inhibition of a X-80 pipeline steel in saltwater saturated with CO2 at 50A degree C with hydroxyethyl imidazoline has been evaluated by using electrochemical techniques. 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| ispartof | Materials chemistry and physics, 2010-08, Vol.122 (2-3), p.485-490 |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Carbon dioxide Corrosion Corrosion inhibitors Corrosion mechanisms Electrochemical noise measurement Imidazoline Inhibition Pipelines Steels |
| title | The CO2 corrosion inhibition of a high strength pipeline steel by hydroxyethyl imidazoline |
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