Black Mustard Seed Extract as a new greener corrosion inhibitor: Experimental and DFT studies

IF 4.9 2区化学 Q2 CHEMISTRY, PHYSICAL

Colloids and Surfaces A: Physicochemical and Engineering Aspects Pub Date : 2024-12-05 DOI:10.1016/j.colsurfa.2024.135911

Omar Belhadj , Zouhair El Fakir , Abdelhay El Amri , Abdennacer Idrissi , Cherrouf Sghir , Said Bouzakraoui , Moussa Ouakki , Mohammed Cherkaoui

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引用次数: 0

Abstract

An ecologically acceptable mild steel corrosion inhibitor that works in sulfuric and hydrochloric acids was tested using Black Mustard Seed Extract (BMSE). GC-MS and FTIR analyses were used to determine the phytochemical content. Potentiodynamic polarization (PDP), electrochemical impedance spectroscopy (EIS), and weight loss (in conjunction with ICP-AES and UV-Vis) were used to evaluate the effectiveness of corrosion inhibition. Scanning electron microscope and energy-dispersive X-ray spectroscopy (SEM/EDX) were used to characterize the surface. Density functional theory (DFT) computations revealed the adsorption process. The highest efficiency was achieved by BMSE at 400 ppm, with maximal inhibition efficiency of 92.5 % in HCl and 89.8 % in H₂SO₄. Following the Langmuir adsorption isotherm, BMSE displayed mixed-type inhibition behavior. DFT simulations verified the formation of a protective layer on the steel surface by displaying a donor-acceptor interaction.

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来源期刊

Colloids and Surfaces A: Physicochemical and Engineering Aspects 化学-物理化学

CiteScore

8.70

自引率

9.60%

发文量

2421

审稿时长

56 days

期刊介绍： Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena. The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.