一种H2S/CO2腐蚀缓蚀剂的缓蚀行为
Inhibition Performance of an Oil Field Inhibitor in H2S/CO2 Saturated 3% NaCl Solution
摘 要
通过挂片法、电化学极化曲线、扫描电镜(SEM)、电子能谱(EDS)等分析方法, 研究一种咪唑啉衍生物缓蚀剂CI-03在H2S/CO2饱和3% NaCl溶液的腐蚀体系中对碳钢的缓蚀作用及其吸附模型。结果表明, 缓蚀剂CI-03是一种以阳极型为主的混合型缓蚀剂, 对腐蚀体系中碳钢具有良好的缓蚀作用;其在碳钢表面的吸附遵循Langmuir吸附等温式。
咪唑啉衍生物
缓蚀性能
吸附
H2S/CO2 corrosion
imidazoline derivative
inhibition performance
adsorption
Abstract
The inhibition performance of an imidazoline derivative inhibitor for carbon steel in CO2/H2S saturated 5% NaCl solution at 60 ℃ was investigated by potentiodynamic polarization and weight loss measurements, and the surface analysis of carbon steel was performed by SEM and EDS. Results showed that the inhibitor CI-03, acting as an anodic-type inhibitor, could inhibit the corrosion of carbon steel in simulation solution significantly. Its adsorption on the metal surface obeys Langmuir adsorption isotherm. The inhibitor could form a product film on the metal surface by adsorption, which brought on high protection performance for carbon steel.
中图分类号 TG174.42
所属栏目 试验研究
基金项目 中石化科研项目(308057)资助
收稿日期 2011/1/9
修改稿日期 2011/3/7
网络出版日期
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备注段永锋, 工程师,
引用该论文: DUAN Yong-feng,LI Chun-xian,YU Feng-chang,CUI Xin-an. Inhibition Performance of an Oil Field Inhibitor in H2S/CO2 Saturated 3% NaCl Solution[J]. Corrosion & Protection, 2011, 32(12): 944
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参考文献
【1】NACE Standard MR0175/ISO 151156. Materials for use in H2S containing environments in oil and gas production[S]. 2001.
【2】刘福国. 油田钻具、管道系统腐蚀规律及缓蚀剂缓蚀性能和机制研究[D]. 中国海洋大学, 2008.
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【4】Gregg M R, Ramachandran S. Review of corrosion inhibitor developments and testing for offshore oil and gas production systems[C]//NACE Corrosion, 2004, Paper No.04422.
【5】于凤昌, 段永锋, 彭松梓, 等. 一种水溶性缓蚀剂及其制备方法和应用[P]. CN101280222.2008.06.
【6】Bouklah M, Hammouti B, Lagrenee M, et al. Thermodynamic properties of 2, 5-bis(4-methoxyphenyl)-1, 3, 4-oxadiazole as a corrosion inhibitor for mild steel in normal sulfuric acid medium[J]. Corros Sci, 2006, 48:2831-2842.
【7】Abboud Y, Abourriche A, Saffaj T, et al. 2, 3-quinoxalinedione as a novel corrosion inhibitor for mild steel in 1 M HCl[J]. Mater Chem Phys, 2007, 105:1-5.
【8】Ren C Q, Liu D X, Bai Z Q, et al. Corrosion behavior of oil tube steel in simulant solution with hydrogen sulfide and carbon dioxide[J]. Mater Chem Phys, 2005, 93:305-309.
【2】刘福国. 油田钻具、管道系统腐蚀规律及缓蚀剂缓蚀性能和机制研究[D]. 中国海洋大学, 2008.
【3】吕杉. 高含硫气田集输系统腐蚀和腐蚀控制[J]. 石油规划设计, 2002, 13(6):34-43.
【4】Gregg M R, Ramachandran S. Review of corrosion inhibitor developments and testing for offshore oil and gas production systems[C]//NACE Corrosion, 2004, Paper No.04422.
【5】于凤昌, 段永锋, 彭松梓, 等. 一种水溶性缓蚀剂及其制备方法和应用[P]. CN101280222.2008.06.
【6】Bouklah M, Hammouti B, Lagrenee M, et al. Thermodynamic properties of 2, 5-bis(4-methoxyphenyl)-1, 3, 4-oxadiazole as a corrosion inhibitor for mild steel in normal sulfuric acid medium[J]. Corros Sci, 2006, 48:2831-2842.
【7】Abboud Y, Abourriche A, Saffaj T, et al. 2, 3-quinoxalinedione as a novel corrosion inhibitor for mild steel in 1 M HCl[J]. Mater Chem Phys, 2007, 105:1-5.
【8】Ren C Q, Liu D X, Bai Z Q, et al. Corrosion behavior of oil tube steel in simulant solution with hydrogen sulfide and carbon dioxide[J]. Mater Chem Phys, 2005, 93:305-309.
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