Application of Sodium Methyl Ester Sulfonate Anionic Surfactants as Corrosion Inhibitors for Carbon Steel in Oilfield Injection Water

IF 0.6 4区化学 Q4 CHEMISTRY, APPLIED

Russian Journal of Applied Chemistry Pub Date : 2024-06-28 DOI:10.1134/s1070427224020046

Asselah Amel, Affif Chaouche M’Yassa, Amel Tazerouti

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Abstract

In this study, the anticorrosive properties of a series of sodium methyl ester sulfonate anionic surfactants on a carbon steel were estimated for an oilfield injection water collected from a well of Hassi R’Mel region—Algeria, known as Baremian water, and are compared to those of sodium dodecyl sulfate. This class of surfactants was synthesized from fatty acids by a photochemical process and present good physico-chemical properties and good biodegradability. The inhibition performance was evaluated by weight loss and electrochemical techniques: linear polarization resistance and electrochemical impedance spectroscopy. The results showed that these surfactants are good inhibitors; the inhibition efficiency increases with increasing concentration surfactants. In addition, the increase of chain length surfactants leads to the best inhibition efficiency for sodium sulfo palmityl methyl ester surfactant with 95.27, 98.20, and 95% via weight loss, linear polarization resistance and electrochemical impedance spectroscopy, respectively. Scanning electron microscopy–Energy dispersive X-ray allowed the visualization of a good adhesion of the protective deposit formed by the surfactants on the carbon steel surface including the elements presents on this surface as sodium and sulfur. The adsorption of these surfactants shows the maximum adherence to the Langmuir model and the values of Gibbs free energy of adsorption indicated that the inhibitor molecules are physically adsorb onto the metal surface.

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甲基酯磺酸钠阴离子表面活性剂作为碳钢缓蚀剂在油田注入水中的应用

摘要本研究估算了一系列甲酯磺酸钠阴离子表面活性剂对碳钢的防腐性能，适用于从阿尔及利亚 Hassi R'Mel 地区的一口油井中收集的油田注入水（称为 Baremian 水），并与十二烷基硫酸钠的防腐性能进行了比较。这类表面活性剂是通过光化学工艺从脂肪酸中合成的，具有良好的物理化学特性和生物降解性。抑制性能通过失重和电化学技术（线性极化电阻和电化学阻抗光谱）进行了评估。结果表明，这些表面活性剂是良好的抑制剂；抑制效率随表面活性剂浓度的增加而提高。此外，通过失重、线性极化电阻和电化学阻抗谱分析，表面活性剂链长的增加使磺基棕榈酸甲酯钠表面活性剂的抑制效率达到最佳，分别为 95.27%、98.20% 和 95%。通过扫描电子显微镜-能量色散 X 射线，可以看到表面活性剂在碳钢表面形成的保护性沉积物具有良好的附着力，包括碳钢表面存在的钠和硫等元素。这些表面活性剂的最大吸附量符合 Langmuir 模型，吸附的吉布斯自由能值表明抑制剂分子是物理吸附在金属表面上的。

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来源期刊

Russian Journal of Applied Chemistry 化学-应用化学

CiteScore

1.60

自引率

11.10%

发文量

审稿时长

2-4 weeks

期刊介绍： Russian Journal of Applied Chemistry (Zhurnal prikladnoi khimii) was founded in 1928. It covers all application problems of modern chemistry, including the structure of inorganic and organic compounds, kinetics and mechanisms of chemical reactions, problems of chemical processes and apparatus, borderline problems of chemistry, and applied research.