The anticorrosion treatment of refinery and petrochemical units in many cases are using corrosion inhibitors. SC ZECASIN-Brazi is a research and manufacturing company specialised in following products: neutralizers, cathodic inhibitors, organic inhibitors, film-forming inhibitors, antifouling agents, biodispersant agents, inhibitors for chemical decrustation, passivators. The products are manufacturing under the name "ANTICOR". The corrosion tests have been performed using gravimetric, volumetric, electrochemical and metallographic methods. Recommendations for the continuous use of the inhibitors have been made, based on the results of the laboratory, pilot and industrial scale tests. The effect of using inhibitors mentioned is in 80% decreasing of the corrosion process, and previous localized corrosion and blistering by diffussion of atomic hydrogen.
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