A novel technology for sequestration of corrosive ions in comparison with benzotriazole: a review

IF 2.3 4区 材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING Anti-corrosion Methods and Materials Pub Date : 2024-08-07 DOI:10.1108/acmm-04-2024-3009
Osuani Fyneface Idema, Malik Abdulwahab, Innocent Okechi Arukalam, Ifeyinwa Ekeke, Chigoziri N. Njoku, Chioma Anyiam, Benedict Onyeachu, Emeka Emmanuel Oguzie
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Abstract

Purpose

Hexavalent chromium has been a benchmark corrosion inhibitor before it was phased out because of its carcinogenic properties. However, because it was phased out, many alternative corrosion inhibitors have been introduced but failed to meet the performance of this benchmark inhibitor. Consequently, benzotriazole (BTA) was reported to exhibit chromate-like inhibition performance. Subsequently, Intelli-ion was reported by researchers to exhibit chromate-like performance also with claims of being a unique alternative. This paper aims to review the inhibition performance of these two alternatives. Above all, promotes the unique inhibition performance of Intelli-ion that makes it suitable for application in many sectors.

Design/methodology/approach

In this paper, the corrosion inhibition performances of BTA and Intelli-ion were compared systematically by reviewing some related literatures based on the opinion of the authors.

Findings

Different methodologies for measuring the inhibition performance of BTA showed that it’s an inhibitor of choice. However, the cut edge corrosion performance of Intelli-ion and BTA corrosion inhibitors on galvanized steel of 55% Wt.% Al, 44% Wt.% Zn and 1% Wt.% Si in 5 Wt.% NaCl solution was compared when subjected to scanning vibrating electrode technique (SVET) for 24 h. The results showed faint blue-colored region depicting negative cathodic current density for the Intelli-ion while there was a high-intensity of red-colored region depicting a positive anodic current density for BTA. In other words, the Intelli-ion inhibitor had a better overall cut-edge corrosion inhibition performance than the BTA inhibitor.

Originality/value

This paper compares and further, summarizes the corrosion inhibition performance of Intelli-ion and BTA by evaluating SVET results from the literature. In addition, it serves as an overview and reference for the unique inhibition performance of Intelli-ion when applied in field applications.

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与苯并三唑相比,一种新型的腐蚀性离子封存技术:综述
目的 六价铬在因其致癌特性而被淘汰之前,一直是一种基准缓蚀剂。然而,由于六价铬被逐步淘汰,许多替代缓蚀剂被引入,但其性能却无法达到这种基准缓蚀剂的要求。因此,有报告称苯并三唑(BTA)具有类似铬酸盐的抑制性能。随后,研究人员报告称 Intelli-ion 也具有类似铬酸盐的性能,并声称它是一种独特的替代品。本文旨在回顾这两种替代品的抑制性能。本文根据作者的观点,通过查阅一些相关文献,对 BTA 和 Intelli-ion 的缓蚀性能进行了系统比较。研究结果测量 BTA 缓蚀性能的不同方法表明,它是一种首选缓蚀剂。然而,当在 5 重量百分比的氯化钠溶液中加入 55 重量百分比的铝、44 重量百分比的锌和 1 重量百分比的硅时,Intelli-ion 和 BTA 缓蚀剂在镀锌钢上的切边腐蚀性能在扫描振动电极技术(SVET)作用 24 小时后进行了比较。结果显示,Intelli-ion 的阴极电流密度为负,呈微弱的蓝色区域,而 BTA 的阳极电流密度为正,呈高强度的红色区域。换句话说,Intelli-ion 抑制剂的整体切边缓蚀性能优于 BTA 抑制剂。 本文通过评估文献中的 SVET 结果,比较并进一步总结了 Intelli-ion 和 BTA 的缓蚀性能。此外,本文还为 Intelli-ion 在现场应用中的独特缓蚀性能提供了概述和参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Anti-corrosion Methods and Materials
Anti-corrosion Methods and Materials 工程技术-冶金工程
CiteScore
2.80
自引率
16.70%
发文量
61
审稿时长
13.5 months
期刊介绍: Anti-Corrosion Methods and Materials publishes a broad coverage of the materials and techniques employed in corrosion prevention. Coverage is essentially of a practical nature and designed to be of material benefit to those working in the field. Proven applications are covered together with company news and new product information. Anti-Corrosion Methods and Materials now also includes research articles that reflect the most interesting and strategically important research and development activities from around the world. Every year, industry pays a massive and rising cost for its corrosion problems. Research and development into new materials, processes and initiatives to combat this loss is increasing, and new findings are constantly coming to light which can help to beat corrosion problems throughout industry. This journal uniquely focuses on these exciting developments to make essential reading for anyone aiming to regain profits lost through corrosion difficulties. • New methods, materials and software • New developments in research and industry • Stainless steels • Protection of structural steelwork • Industry update, conference news, dates and events • Environmental issues • Health & safety, including EC regulations • Corrosion monitoring and plant health assessment • The latest equipment and processes • Corrosion cost and corrosion risk management.
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