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Inhibition Behavior of Two Imidazoline-Based Inhibitors with Different Hydrophilic Groups in Single Liquid Phase and Liquid/Particle Two-Phase Flow
X. Liu; Y. G. Zheng
2009
Source PublicationActa Physico-Chimica Sinica
ISSN1000-6818
Volume25Issue:4Pages:713-718
AbstractTwo kinds of imidazoline inhibitors with different hydrophilic groups, i.e. hydroxyethyl imidazoline (HEI-11) and aminoethyl imidazoline (AEI-11), were used for resisting CO, corrosion of N80 steel in single liquid phase and liquid/particle two-phase flow. Inhibition performance of these imidazoline inhibitors for CO, corrosion of N80 in 3% (omega) NaCl solution was investigated using polarization curve and electrochemical impedance spectroscopy under static and flow conditions. The results showed that the inhibition efficiency under both static and flow conditions increased according to the following: HEI-11>AEI-11. The inhibition performance of both inhibitors was severely degraded by single liquid phase and liquid/particle two-phase flow at 5 m . s(-1). Additionally, quantum chemical calculation was carried out to correlate the inhibition performance of both inhibitors with their chemical structures and to explain the inhibition mechanism. The theoretical calculation was in good agreement with experimental results.
description.department[liu xia; zheng yu-gui] chinese acad sci, inst met res, state key lib corros & protect, shenyang 110016, peoples r china. [liu xia] shenyang inst chem technol, dept appl chem, shenyang 110142, peoples r china.;zheng, yg (reprint author), chinese acad sci, inst met res, state key lib corros & protect, shenyang 110016, peoples r china;ygzheng@imr.ac.cn
KeywordCarbon Dioxide Corrosion Corrosion Inhibitor Imidazoline Liquid/particle Two-phase Flow Quantum Chemical Calculation Hydrophilic Group Carbon-dioxide Corrosion Mild-steel N80 Steel Co2 Corrosion Surface-film Schiff-bases Acid-media Performances H2so4 Eis
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/32114
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
X. Liu,Y. G. Zheng. Inhibition Behavior of Two Imidazoline-Based Inhibitors with Different Hydrophilic Groups in Single Liquid Phase and Liquid/Particle Two-Phase Flow[J]. Acta Physico-Chimica Sinica,2009,25(4):713-718.
APA X. Liu,&Y. G. Zheng.(2009).Inhibition Behavior of Two Imidazoline-Based Inhibitors with Different Hydrophilic Groups in Single Liquid Phase and Liquid/Particle Two-Phase Flow.Acta Physico-Chimica Sinica,25(4),713-718.
MLA X. Liu,et al."Inhibition Behavior of Two Imidazoline-Based Inhibitors with Different Hydrophilic Groups in Single Liquid Phase and Liquid/Particle Two-Phase Flow".Acta Physico-Chimica Sinica 25.4(2009):713-718.
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