The Drug Domperidone as a Corrosion Inhibitor for X60 Steel in Hydrochloric Acid Solution

被引：4

作者：

Liu, Yanxia ^{[1
]}

Yao, Xiuquan ^{[2
]}

Liu, Chunlin ^{[3
]}

Luo, Xiaofang ^{[4
]}

Guo, Chao ^{[5
]}

Du, Wei ^{[6
]}

机构：

[1] Dining Normal Univ, Coll Chem & Chem Engn, Ulanqab 012000, Peoples R China

[2] Univ Sci & Technol Beijing, Natl Ctr Mat Serv Safety, Beijing 100083, Peoples R China

[3] Latin Amer Branch, China Petr Engn & Construct Corp CPECC, Beijing 100120, Peoples R China

[4] China Chongqing Acad Metrol & Qual Inspect, Chongqing 402160, Peoples R China

[5] BaoTou Iron & Steel Co Ltd, Compact Strip Plant, Baotou 014010, Inner Mongolia, Peoples R China

[6] China Acad Railway Sci Corp Ltd, Met & Chem Res Inst, Beijing 100081, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2022年 / 17卷 / 04期

关键词：

X60; DPD; Hydrochloric acid solution; Electrochemistry; MD calculation; MILD-STEEL; COPPER CORROSION; INDAZOLE DERIVATIVES; ANTIBACTERIAL DRUGS; CARBON-STEEL; X70; STEEL; ADSORPTION; MECHANISM; ALUMINUM; EXTRACT;

D O I：

10.20964/2022.04.55

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Electrochemical and SEM methods were used to study domperidone (DPD) as an organic corrosion inhibitor for X60 carbon steel in 1 M hydrochloric acid solution. The corrosion inhibition rate decreases with increasing corrosion inhibitor concentration. The inhibition efficiency was the highest when 400 mg/L DPD inhibitor was added, showing a type of mixed inhibitor. The adsorption of DPD inhibitor on the steel surface conforms to the Langmuir isotherm as a combination of physical and chemical adsorption. In addition, the adsorption conformation of the inhibitor molecules on the steel surface was analyzed by MD calculations and the adsorption energy was calculated.

引用

页数：11

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