Natural and synthetic drugs as eco-friendly and sustainable corrosion inhibitors for metals: a review

PurposeCorrosion is a major concern for many industries that use metals as structural or functional materials, and the use of corrosion inhibitors is a widely accepted strategy to protect metals from deterioration in corrosive environments. Moreover, the toxic nature, non-biodegradability and price...

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Bibliographic Details
Published in:	Pigment & resin technology Vol. 53; no. 6; pp. 1074 - 1087
Main Authors:	Njoku, Chigoziri N., Maduoma, Temple Uzoma, Emori, Wilfred, Odey, Rita Emmanuel, Unimke, Beshel M., Yakubu, Emmanuel, Anorondu, Cyril C., Udunwa, Daniel I., Njoku, Onyinyechi C., Oyoh, Kechinyere B.
Format:	Journal Article
Language:	English
Published:	Bradford Emerald Group Publishing Limited 29-08-2023
Subjects:	Biopolymers Corrosion Corrosion environments Corrosion inhibitors Drugs Environmental impact Essential oils Functional materials Gas industry Green buildings Metals Toxicity Water treatment
Online Access:	Get full text
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Summary:	PurposeCorrosion is a major concern for many industries that use metals as structural or functional materials, and the use of corrosion inhibitors is a widely accepted strategy to protect metals from deterioration in corrosive environments. Moreover, the toxic nature, non-biodegradability and price of most conventional corrosion inhibitors have encouraged the application of greener and more sustainable options, with natural and synthetic drugs being major actors. Hence, this paper aims to stress the capability of natural and synthetic drugs as manageable and sustainable, environmentally friendly solutions to the problem of metal corrosion.Design/methodology/approachIn this review, the recent developments in the use of natural and synthetic drugs as corrosion inhibitors are explored in detail to highlight the key advancements and drawbacks towards the advantageous utilization of drugs as corrosion inhibitors.FindingsCorrosion is a critical issue in numerous modern applications, and conventional strategies of corrosion inhibition include the use of toxic and environmentally harmful chemicals. As greener alternatives, natural compounds like plant extracts, essential oils and biopolymers, as well as synthetic drugs, are highlighted in this review. In addition, the advantages and disadvantages of these compounds, as well as their effectiveness in preventing corrosion, are discussed in the review.Originality/valueThis survey stresses on the most recent abilities of natural and synthetic drugs as viable and sustainable, environmentally friendly solutions to the problem of metal corrosion, thus expanding the general knowledge of green corrosion inhibitors.
ISSN:	0369-9420 0369-9420 1758-6941
DOI:	10.1108/PRT-07-2023-0063