Palm oil as green corrosion inhibitors for different metal surfaces and corrosive media: A review

• M.W. Faraj and A. Alamiery

Department of Chemical & Process Engineering, Faculty of Engineering and Built Environment, University Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia

Abstract: Metal corrosion has become a problem of worldwide significance due to its deleterious consequences where corrosive environments are employed in practically every industry and there are many techniques used to slow down or prevent it, but there are a several of restrictions that restrict the use of these methods and one of these restrictions is their impact on the environment one of these methods used to prevent corrosion are chemical inhibitors and they are split into two categories, organic and inorganic, based on the chemical components of the inhibitors. Inorganic inhibitors are used to prevent corrosion, but these are toxic, therefore, Inhibitors that are safe for the environment have gotten a lot of attention in recent years. Since they are affordable, renewable, biodegradable, and, most importantly, safe for both the environment and humans, plant extract corrosion inhibitors are the most intensively investigated. This review summarizes advances, opportunities, and recent progress in the use of different portions of palm oil as a corrosion inhibitor in various conditions and on various metals and evaluates the effectiveness using various methodologies. Palm oil is one of the common and abundant natural oils in Asian countries like Malaysia. These findings show that palm oil can be used to make green inhibitors, which is a great way to use palm oil in a way that is good for the environment.

Keywords: palm oil, green inhibitor, corrosion inhibitors

Int. J. Corros. Scale Inhib., 2022, 11, no. 2, 465-477
doi: 10.17675/2305-6894-2022-11-2-1

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