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Inhibition of carbon steel corrosion by imidazoline in carbon dioxide saturated oilfield brine solution (CROSBI ID 191743)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Doležal, Dubravka ; Alar, Vesna ; Borko, Tihomir Inhibition of carbon steel corrosion by imidazoline in carbon dioxide saturated oilfield brine solution // Materialwissenschaft und Werkstofftechnik, 44 (2013), 7; 626-632. doi: 10.1002/mawe.201300062

Podaci o odgovornosti

Doležal, Dubravka ; Alar, Vesna ; Borko, Tihomir

engleski

Inhibition of carbon steel corrosion by imidazoline in carbon dioxide saturated oilfield brine solution

This work focuses on the testing of imidazoline based corrosion inhibitor and the inhibition of carbon steel corrosion caused by carbon dioxide saturated oilfield brine solution. Electrochemical impedance spectroscopy, linear polarization, anodic and cathodic polarization (Tafel extrapolation method) measurements were carried out. In order to investigate imidazoline based corrosion inhibitor efficiency, carbon dioxide saturated oilfield brine solution without inhibitor and solution with added different concentrations of imidazoline based corrosion inhibitor were tested. Those results were compared. Influence of testing solution temperature and stirring of testing solution on the corrosion inhibitor efficiency were investigated. On the basis of obtained results it can be concluded that optimal concentration of imidazoline based corrosion inhibitor is 50 ppm for the successful and effective corrosion protection of pipelines made of carbon steel under test conditions similar to typical oilfield conditions (35 C, atmospheric pressure, stirring rate 400 RPM).

carbon steel; corrosion inhibitor efficiency; imidazoline; oilfield brine

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Podaci o izdanju

44 (7)

2013.

626-632

objavljeno

0933-5137

10.1002/mawe.201300062

Povezanost rada

Strojarstvo

Poveznice
Indeksiranost