Abstract
Anodic protection is a method used to control or to limit the rate of metallic corrosion. It is based upon the external application of an anodic current, at a controlled potential, to form a protective film on a metal surface. Edeleanu in 1954 was the first to describe anodic protection and demonstrated it at Battersea Polytechnic (now the University of Surrey); he also applied the technique on a pilot-plant scale to the protection of a stainless-steel boiler for sulphuric acid solutions. It is now widely employed to protect storage tanks and processing vessels that contain sulphuric acid with capacities up to 2 000 000 gal.
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