Inhibition effect of N-propargyl saccharin as corrosion inhibitor of C38 steel in 1 M HCl, experimental and theoretical study

被引：77

作者：

Abdelwedoud, B. Ould ^{[1
]}

Damej, M. ^{[1
]}

Tassaoui, K. ^{[1
]}

Berisha, A. ^{[2
,3
]}

Tachallait, H. ^{[4
,5
]}

Bougrin, K. ^{[4
,5
]}

Mehmeti, V ^{[2
,3
]}

Benmessaoud, M. ^{[1
]}

机构：

[1] Mohammed V Univ Rabat, Higher Sch Technol Sale, Energy Mat & Sustainable Dev Team, Rabat 8007, Morocco

[2] Univ Prishtina, Fac Nat & Math Sci, Dept Chem, Prishtina 10000, Kosovo

[3] Nano Alb Unit Albanian Nanosci & Nanotechnol, Mat Sci Nanochem Res Grp, Tirana 1000, Albania

[4] Mohammed V Univ Rabat, Fac Sci, Geophys Nat Patrimony & Green Chem GEOPAC Res Ctr, Lab Plant Chem & Organ & Bioorgan Synth,URAC23, POB 1014, Rabat 10000, Morocco

[5] Mohammed VI Polytech Univ, Chem & Biochem Sci Green Proc Engn CBS GPE, Lot 660, Hay Moulay Rachid, Benguerir, Morocco

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2022年 / 354卷

关键词：

C38; steel; Corrosion inhibition; Hydrochloric acid; EIS; DFT; Molecular dynamic; E24; CARBON-STEEL; MILD-STEEL; DERIVATIVES; EXTRACT; DFT; PERFORMANCE; ADSORPTION; ENERGIES; BEHAVIOR; SOLIDS;

D O I：

10.1016/j.molliq.2022.118784

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The corrosion inhibition method is the technique most used to reduce the cost of corrosion in the indus -trial field, especially in the acidic environment, in which the organic inhibitor has been widely used. For this, the corrosion inhibition of C38 steel in molar hydrochloric acid was examined using N-Propargyl Saccharin (NPS) as an inhibitor. Electrochemical and surface analyzes were performed to identify how this compound inhibits the corrosion of C38. The stark results showed that the inhibitors act as mixed types of inhibitors, reducing the anode and cathode current densities. In addition, this inhibitor improves the resistance to charge transfer of C38 steel, increasing the thickness of the protective layer when the concentration of the inhibitor has been increased. The thermodynamic parameters and the theoretical observations (DFT, MC, and MD) confirm the inhibitor's adsorption interaction with the metal surface. (c) 2022 Published by Elsevier B.V.

引用

页数：13

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