ABSTRACT
The presence of heavy metals, metallic compounds and other impurities in crude oil directly and adversely affects the corrosion resistance of equipments and installations of the crude oil refineries. Improving the corrosion resistance of heating tubular furnaces — especially in a cheap way by using a special corrosion inhibitor — plays a very important and vital role in oil industry, since failure of coiled-pipes of tubular furnaces due to corrosion will be very expensive in terms of safety, environmental damage and losses. Moreover, all this directly leads to an improvement in the productivity and efficiency of tubular furnaces, a reduction in losses and an increase in the safety level of the operation of tubular furnaces, obtaining additional profits and reducing environmental disasters. The results of the experiments showed that the primary and secondary types of local corrosion and the studied inhibitor is very effective for increasing the corrosion resistance of the coiled-pipes of the tubular furnace up to 97.94%.
