An innovative application of nano-technology in the production of hybrid inorganic-organic coatings of crude oil tanks

Abstract

Three corroded mediums that found in the crude oil have been applied to carbon steel specimens. The effect of the corrosion mediums concentration, application periods and times investigated. The Gravimetric method showed that sodium thiosulfate has the highest corrosion effect at all corrosion test parameters followed by sodium sulfate and sodium carbonate respectively. Each of Nano zinc oxide, Nano cotton cellulose and Nano banana cellulose protective films inhibit sodium thio sulfate corrosion effect. Anti-corrosion behaviour of the formed Nano films studied using gravimetric method (weight loss method), electrochemical method (potentiodynamic polarization) and scanning electron microscope (SEM) techniques.The nano zinc oxide heated at 700OC shown to have better inhibition efficiency followed by nano zinc oxide heated at 600OC, Nano cotton cellulose and nano banana cellulose respectively. The potentiodynamic polarization measurements showed nano zinc oxide heated at 700OC, Nano cotton cellulose, and nano banana cellulose the acted as mixed-type inhibitors with predominantly cathodic effectiveness. SEM techniques supported the achievement of corrosion inhibition with the presence of inhibitors.