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

被引：5
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.
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页数：11
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