Gum Arabic as corrosion inhibitor in the oil industry: experimental and theoretical studies

Shen Chen; Alvarez Victor; Koenig Josh D. B.; Luo Jing-Li

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Gum Arabic as corrosion inhibitor in the oil industry: experimental and theoretical studies

机译：胶阿拉伯语作为石油工业中的腐蚀剂：实验和理论研究

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Corrosion inhibitors are commonly used in the oil industry due to their effectiveness, easy application and relatively low cost. Electrochemical and molecular simulation methods were used to investigate the application of Gum Arabic (GA) as a natural polymer corrosion inhibitor for carbon steel. The Tafel analysis results showed that GA works as a mixed-type corrosion inhibitor on carbon steel with the increased Open Circuit Potential. In synthetic brine, the adsorption isotherm study showed that GA inhibitor films were mainly formed via chemisorption. The corrosion efficiency of GA measured by polarisation curve, polarisation resistance and impedance measurements, were 94.0, 83.5 and 90%, respectively. Molecular simulations studies indicated that high molecular weight of carbohydrates have strong interaction with Fe (111) surface.

机译：由于其有效性，易于应用和成本相对较低，腐蚀抑制剂通常用于石油工业中。电化学和分子模拟方法用于研究胶阿拉伯（GA）作为碳钢天然聚合物腐蚀抑制剂的应用。 Tafel分析结果表明，GA作为碳钢上的混合型腐蚀抑制剂，具有增加的开路电位。在合成盐水中，吸附等温线研究表明，GA抑制剂膜主要通过化学制作形成。通过偏振曲线，偏振电阻和阻抗测量测量的Ga的腐蚀效率分别为94.0,83.5和90％。分子模拟研究表明，高分子量的碳水化合物与Fe（111）表面具有强烈的相互作用。

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来源
《Corrosion Engineering, Science and Technology》 |2019年第6期|共11页
作者
Shen Chen; Alvarez Victor; Koenig Josh D. B.; Luo Jing-Li;
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作者单位

Univ Alberta Dept Chem &

Mat Engn Edmonton AB T6G 2V4 Canada;

Camber Technol Corp Edmonton AB Canada;

Camber Technol Corp Edmonton AB Canada;

Univ Alberta Dept Chem &

Mat Engn Edmonton AB T6G 2V4 Canada;

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原文格式 PDF
正文语种 eng
中图分类金属腐蚀与保护、金属表面处理;
关键词
Acacia Senegal; corrosion inhibitor; natural polymer; molecular dynamic;

机译：金合欢塞内加尔;腐蚀抑制剂;天然聚合物;分子动态;

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Gum Arabic as corrosion inhibitor in the oil industry: experimental and theoretical studies

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