Effect of Oil-Water Intermittent Wetting on Corrosion Inhibition of Carbon Steel in CO2 2 Environment

被引：0
作者：
He, Yi [1 ]
Wang, Xi [1 ]
Paolinelli, Luciano [1 ]
Young, David [1 ]
Mohamed-Said, Maalek [2 ]
Singer, Marc [1 ]
机构：
[1] Ohio Univ, Inst Corros & Multiphase Technol, Dept Chem & Biomol Engn, Athens, OH 45701 USA
[2] CSTJF, OneTech, TotalEnergies, Ave Larribau, F-64018 Pau, France
来源：
CORROSION | 2024年 / 80卷 / 08期
关键词：
carbon dioxide; corrosion inhibitor; electrochemical impedance spectroscopy; hydrocarbon; intermittent wetting; wettability; CONTACT-ANGLE MEASUREMENTS; MILD-STEEL; 2-PHASE FLOW; SURFACE; EIS; THICKNESS; SULFATE; IRON; FILM;
D O I：
10.5006/4575
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Produced water can cause internal corrosion in oil pipelines. The flow of hydrocarbons and water can result in intermittent surface wetting, impacting corrosion inhibition. However, this is still poorly understood. This research uses electrochemical techniques to study the impact of intermittent wetting and the wettability of the steel surface on corrosion inhibition. An inhibitor model compound and model oil were used at 25 degrees C and 55 degrees C in CO2-saturated 2-saturated solutions. Corrosion inhibition varied with temperature and steel surface hydrophobicity, altering inhibition significantly after intermittent contact with hydrocarbon at 55 degrees C. Electrochemical impedance spectroscopy and wettability results revealed distinct protective mechanisms when oil was present.
引用
收藏
页码：796 / 807
页数：12
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