TY - GEN
T1 - Behavior of CO2 corrosion of API 5L X52 steel in NaCl solution under turbulent flow condition
AU - Rustandi, Andi
AU - Adhika, Nitiyoga
AU - Prima, Tezar
AU - Aziz, Nur
PY - 2013/10/29
Y1 - 2013/10/29
N2 - The presence of carbon dioxide (CO2) and water in the fluid can cause severe internal corrosion in the pipelines. This study aims to observe corrosion behavior during the changes in flow rate and acidity conditions in order to obtain the relationship between the parameters by the measured corrosion rate. Corrosion rate measurements were performed for API 5L X52 steel material by using polarization method in 3.5% NaCl solution with saturated CO2 injection. Solution with different acidity were applied which has pH 4, 5, and 6 respectively. To simulate the flow rate, a Rotating Cylinder Electrode RCE was used at various rotation rates 0, 375, 750, 1500, and 3000 rpm, at room temperature (25 °C) and atmospheric pressure. Based on testing results, the changes in rotation converted to flow rate showed that the corrosion mechanism of API 5L X52 steel in NaCl solution with saturated CO2 content was mainly controlled by mass transport at pH=4 whereas chemically controlled involved both at pH=5 and pH=6 conditions.
AB - The presence of carbon dioxide (CO2) and water in the fluid can cause severe internal corrosion in the pipelines. This study aims to observe corrosion behavior during the changes in flow rate and acidity conditions in order to obtain the relationship between the parameters by the measured corrosion rate. Corrosion rate measurements were performed for API 5L X52 steel material by using polarization method in 3.5% NaCl solution with saturated CO2 injection. Solution with different acidity were applied which has pH 4, 5, and 6 respectively. To simulate the flow rate, a Rotating Cylinder Electrode RCE was used at various rotation rates 0, 375, 750, 1500, and 3000 rpm, at room temperature (25 °C) and atmospheric pressure. Based on testing results, the changes in rotation converted to flow rate showed that the corrosion mechanism of API 5L X52 steel in NaCl solution with saturated CO2 content was mainly controlled by mass transport at pH=4 whereas chemically controlled involved both at pH=5 and pH=6 conditions.
KW - Carbon steel
KW - CO corrosion
KW - Transport mass
KW - Turbulent
KW - Wall shear stress
UR - http://www.scopus.com/inward/record.url?scp=84886301219&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/AMR.789.476
DO - 10.4028/www.scientific.net/AMR.789.476
M3 - Conference contribution
AN - SCOPUS:84886301219
SN - 9783037857571
T3 - Advanced Materials Research
SP - 476
EP - 483
BT - Advances in Materials, Processing and Manufacturing
T2 - 13th International Conference on Quality in Research, QiR 2013
Y2 - 25 June 2013 through 28 June 2013
ER -