Inhibition Performance of an Oil Field Inhibitor in H<sub>2</sub>S/CO<sub>2</sub> Saturated 3% NaCl Solution

DUAN Yong-feng; LI Chun-xian; YU Feng-chang; CUI Xin-an

Corrosion & Protection > 2011 > 32(12): 944-946.

DUAN Yong-feng, LI Chun-xian, YU Feng-chang, CUI Xin-an. Inhibition Performance of an Oil Field Inhibitor in H₂S/CO₂ Saturated 3% NaCl Solution[J]. Corrosion & Protection, 2011, 32(12): 944-946.

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Inhibition Performance of an Oil Field Inhibitor in H₂S/CO₂ Saturated 3% NaCl Solution

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Received Date: March 06, 2011

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The inhibition performance of an imidazoline derivative inhibitor for carbon steel in CO2/H2S saturated 5% NaCl solution at 60 ℃ was investigated by potentiodynamic polarization and weight loss measurements, and the surface analysis of carbon steel was performed by SEM and EDS. Results showed that the inhibitor CI-03, acting as an anodic-type inhibitor, could inhibit the corrosion of carbon steel in simulation solution significantly. Its adsorption on the metal surface obeys Langmuir adsorption isotherm. The inhibitor could form a product film on the metal surface by adsorption, which brought on high protection performance for carbon steel.
- H2S/CO2 corrosion,
- imidazoline derivative,
- inhibition performance,
- adsorption

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Inhibition Performance of an Oil Field Inhibitor in H2S/CO2 Saturated 3% NaCl Solution

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Inhibition Performance of an Oil Field Inhibitor in H₂S/CO₂ Saturated 3% NaCl Solution