Synergistic corrosion inhibition effect of quinoline quaternary ammonium salt and Gemini surfactant in H2S and CO2 saturated brine solution

被引：144

作者：

Zhao, Jingmao ^{[1
,2
]}

Duan, Hanbing ^{[1
]}

Jiang, Ruijing ^{[1
,2
]}

机构：

[1] Beijing Univ Chem Technol, Coll Mat Sci & Engn, Beijing 100029, Peoples R China

[2] Beijing Key Lab Electrochem Proc & Technol Mat, Beijing 100029, Peoples R China

来源：

CORROSION SCIENCE | 2015年 / 91卷

基金：

中国国家自然科学基金;

关键词：

Mild steel; EIS; XPS; Acid corrosion; Acid inhibition; MILD-STEEL CORROSION; COLD-ROLLED STEEL; CARBON-STEEL; SODIUM DODECYLBENZENESULPHONATE; HYDROGEN-SULFIDE; ACIDIC-SOLUTIONS; CHLORIDE-ION; IMPEDANCE; IRON; COPPER;

D O I：

10.1016/j.corsci.2014.11.007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Corrosion inhibition of a quinolinium quaternary ammonium salt and a Gemini surfactant, 1,3-bis(dodecyldimethylammonium chloride)-2-propanol, for mild steel in H2S and CO2 saturated brine solution was investigated by using polarization test, EIS and XPS. The synergistic effect is found between these two compounds when the Gemini concentration is less than 50 mg L-1 in the solution containing 100 mg L-1 quinolinium quaternary ammonium salt, and it disappears when the Gemini concentration is larger than 50 mg L-1. The synergistic mechanism is explained by competitive adsorption of these two compounds on steel surface. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：108 / 119

页数：12

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