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Minimization of corrosion in aquatic environment – a review


International Journal of Hydrology
Amjad Hossen,1 Md Rashel Mahmud,2 Md Abusina Islam,1 Syed Kamrul Ahsan,1 Md Ibrahim H Mondal1

Abstract

Corrosion is the gradual deterioration of a material through an electro-chemical reaction with its environment. Electrochemical conditions can be created at the film’s base by bacterial film and salt water of marine environment acts as electrolyte according to the marine science. While corroding, dissolved oxygen and other species as well as the metal surfaces pH can be impact electrochemical process on the metal, which in turn affects. To overcome this problem, there are several methods of preventing a material from corroding. Among them, cathodic protection (CP) and coatings are very popular and effective methods for marine corrosion protection that can provide very good protection over a long period of time. Developing anticorrosive additives that are more effective than the conventional inorganic pigments currently used in paint, may have adverse impacts on environment and human health. In this study, we have focused on cathodic protection (CP) and coatings and the combination of them for providing good protection over a long period.

Keywords

marine corrosion, aquatic environment, coating, and cathodic protection (CP)

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