Bibliographic Details
| Title: |
Theoretical, chemical, and electrochemical studies of Equisetum arvense extract as an impactful inhibitor of steel corrosion in 2 M HCl electrolyte. |
| Authors: |
Deyab, M. A.1 (AUTHOR) hamadadeiab@yahoo.com, Mohsen, Q.2 (AUTHOR), Guo, Lei3 (AUTHOR) |
| Source: |
Scientific Reports. 10/22/2022, Vol. 12 Issue 1, p1-14. 14p. |
| Subject Terms: |
*STEEL corrosion, *HIGH performance liquid chromatography, *CARBON steel, *ELECTROLYTES |
| Abstract: |
A new type of Equisetum arvense aerial part (EAAP) extract was ready to be tested as a corrosion inhibitor for steel-based parts in Multi-stage flash (MSF) segments while the segments were being acid cleaned. The EAAP extract was identified using Fourier-transform infrared (FTIR) and High-performance liquid chromatography (HPLC). When compared to the specimen exposed to blank solution, EAAP extract molecules covered about 97% of the carbon steel surface in 2 M HCl solution, and the corrosion rate was reduced to 0.58 ± 0.02 μg cm−2 h−1 at 300 mg l−1. EAAP extract tends to have a blended impact on both anodic and cathodic sites on the surface of carbon steel. The thermodynamic activation factors are substantially higher in the presence of extract solution than in the absent of extract, demonstrating that the carbon steel surface would corrode slowly in the presence of EAAP extract. Theoretical models were used to validate the adsorption of EAAP extract on steel surfaces. [ABSTRACT FROM AUTHOR] |
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