Corrosion Rate of Various Carbon Steels in Raw Water for Water Cooling System at Ammonia Plant
Ahmad Royani, Lutviasari Nuraini, Siska Prifiharni, Gadang Priyotomo and Sundjono"Corrosion Rate of Various Carbon Steels in Raw Water for Water Cooling System at Ammonia Plant", International Journal of Engineering Trends and Technology (IJETT), V59(1),51-58 May 2018. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
The corrosion behavior of various carbon steels which simulated to raw water solutions from cooling water system in ammonia plant at different temperatures, was investigated. Polarization method was performed to investigate different types of carbon steel in raw water. The morphologies of various different types of carbon steel were studied. The water tendency was determined by the Langelier Saturation Index (LSI) method. The results of LSI method show negative values, which means, the corrosive tendency of raw water. The results, show that the variation in operating temperature of solution can affect the corrosion rate of materials, where that increases significantly with increasing the temperature of solutions. It was found that the corrosion resistance of materials was in the order of C1045 > A192 > A515-70
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Carbon steel, Corrosion, Raw water, Temperature.