Phytochemicals as eco-friendly corrosion inhibitors for mild steel in sulfuric acid solutions: a review

IF 2.7 4区材料科学 Q3 ELECTROCHEMISTRY Corrosion Reviews Pub Date : 2024-07-18 DOI:10.1515/corrrev-2024-0018

Shobhana Sharma, A. S. Solanki, A. Thakur, Ankit Sharma, Ashish Kumar, S. K. Sharma

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Abstract

Plant extracts represent abundant sources of biomolecules distributed throughout various plant parts. These biomolecules are extracted using diverse solvents and methods. Within these plant extracts lie bioactive compounds, known for their antioxidant properties and anticorrosive capabilities. Detecting and isolating these active biomolecules from plant extracts necessitates analytical techniques such as gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry. The active biomolecules within plant extracts contain heteroatoms within their structures, facilitating their adsorption on steel surfaces and conferring corrosion inhibition properties. The advantages of plant extracts as green corrosion inhibitors include ready availability, ease of application, eco-friendly characteristics, and cost-effectiveness. These extracts adhere to steel surfaces, blocking their active sites and effectively reducing the corrosion rate. This review consolidates the findings on the corrosion inhibition potential of plant extracts from various plant parts, elucidating their performance in different concentrations of sulfuric acid.

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植物化学物质作为硫酸溶液中低碳钢的生态友好型缓蚀剂：综述

植物提取物是生物大分子的丰富来源，分布在植物的各个部分。这些生物大分子使用不同的溶剂和方法提取。这些植物提取物中含有生物活性化合物，具有抗氧化性和防腐性。从植物提取物中检测和分离这些活性生物大分子需要气相色谱-质谱法和液相色谱-质谱法等分析技术。植物萃取物中的活性生物分子结构中含有杂原子，这有利于它们吸附在钢铁表面并赋予其缓蚀特性。植物萃取物作为绿色缓蚀剂的优点包括随时可用、易于应用、生态友好和成本效益高。这些提取物附着在钢铁表面，阻断其活性位点，有效降低腐蚀速率。本综述汇总了从不同植物部位提取的植物萃取物的缓蚀潜力研究成果，阐明了它们在不同浓度硫酸中的性能。

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来源期刊

Corrosion Reviews 工程技术-材料科学：膜

CiteScore

5.20

自引率

3.10%

发文量

审稿时长

4.5 months

期刊介绍： Corrosion Reviews is an international bimonthly journal devoted to critical reviews and, to a lesser extent, outstanding original articles that are key to advancing the understanding and application of corrosion science and engineering in the service of society. Papers may be of a theoretical, experimental or practical nature, provided that they make a significant contribution to knowledge in the field.