Evaluation of the Potential of Daucus crinitus Extracts and Their Synthesized ZnO Nanoparticles in Inhibiting the Corrosion of Carbon Steel

IF 2.8 4区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Journal of Chemistry Pub Date : 2024-05-30 DOI:10.1155/2024/7703829
Hatem Beddiar, Sameh Boudiba, Merzoug Benahmed, Karima Hanini, Alfred Ngenge Tamfu, Louiza Boudiba, Habiba Soltani, Hocine Laouer, Salah Akkal
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Abstract

This study explores Daucus crinitus extracts (DCE) and zinc oxide nanoparticles (ZnO-NPs) synthesized using the extracts as corrosion inhibitors for carbon steel (CS) in HCl medium. The synthesized ZnO-NPs were characterized via UV-vis spectroscopy, exhibiting a peak at approximately 375 nm. The study employed weight loss (WL) and electrochemical measurements, alongside spectrophotometric evaluation of corrosion products. Surface morphology was assessed via scanning electron microscopy coupled with energy dispersive spectroscopy (SEM-EDS). Thermodynamic analysis revealed the physical adsorption of DCE on CS according to the Freundlich adsorption isotherm. Potentiodynamic polarization (PP) measurements indicated DCE as a mixed-type corrosion inhibitor. Electrochemical impedance spectroscopy (EIS) exhibited increased charge transfer resistance and reduced double-layer capacitance with inhibitory addition. The most effective inhibition was observed with butanol extract (BE) and improved more with its corresponding nanoparticles (BENPs), exhibiting inhibitory efficiencies of 80.20% and 91.20%, respectively, at 298 K with a concentration of 800 ppm. The evaluation of corrosion products using colorimetry revealed that the concentration of polyphenols decreased after the inhibitory process. Furthermore, the intensity of ferrous ions (Fe2+) decreased as the inhibitory concentration increased. In addition, SEM-EDS analysis confirmed the presence of ZnO-NPs, which enhanced the surface morphology and established a protective layer formed by the adsorbed inhibitors. The SEM-EDS analysis confirmed the presence of ZnO-NPs, the enhancement of surface morphology, and the establishment of a protective layer formed by the adsorbed inhibitors.
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评估十字花科植物提取物及其合成的氧化锌纳米粒子在抑制碳钢腐蚀方面的潜力
本研究探讨了白头翁提取物(DCE)和利用提取物合成的氧化锌纳米颗粒(ZnO-NPs)作为盐酸介质中碳钢(CS)的缓蚀剂。合成的 ZnO-NPs 通过紫外可见光谱进行表征,在约 375 纳米处出现峰值。研究采用了失重(WL)和电化学测量方法,并对腐蚀产物进行了分光光度评估。通过扫描电子显微镜和能量色散光谱(SEM-EDS)对表面形态进行了评估。热力学分析表明,根据 Freundlich 吸附等温线,DCE 在 CS 上具有物理吸附性。电位极化(PP)测量结果表明,DCE 是一种混合型缓蚀剂。电化学阻抗光谱(EIS)显示,添加抑制剂后,电荷转移电阻增加,双层电容降低。在 298 K(浓度为 800 ppm)条件下,丁醇提取物(BE)的缓蚀效果最好,其相应的纳米颗粒(BENPs)的缓蚀效果更好,缓蚀效率分别为 80.20% 和 91.20%。使用比色法对腐蚀产物进行评估后发现,多酚的浓度在抑制过程后有所下降。此外,亚铁离子(Fe2+)的浓度随着抑制浓度的增加而降低。此外,SEM-EDS 分析证实了 ZnO-NPs 的存在,它增强了表面形态,并建立了由吸附的抑制剂形成的保护层。SEM-EDS 分析证实了 ZnO-NPs 的存在、表面形态的增强以及吸附抑制剂形成的保护层的建立。
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来源期刊
Journal of Chemistry
Journal of Chemistry CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
5.90
自引率
3.30%
发文量
345
审稿时长
16 weeks
期刊介绍: Journal of Chemistry is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles in all areas of chemistry.
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