Synthesis and Inhibition Behavior of the Quaternary Ammonium Salt-type Tetrameric Surfactant for Corrosion of N80 Steel in HCl Medium


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Abstract

The quaternary ammonium salt-type tetrameric surfactant with hydrocarbon chain length of 12 was synthesized, and characterized using FT-IR and 1H NMR. The inhibition efficiencies for N80 steel in 20% hydrochloric acid were studied by weight loss, potentiodynamic polarization method, electrochemical impedance spectroscopy at 25°C. The results obtained from weigh loss measurements show that it has good inhibitive performance. Polarization data indicates that it acts as a mixed-type inhibitor. The results obtained from EIS exhibit the protective film formed by the adsorption of surfactant molecules on metal surface. The adsorption behavior of surfactants was found to follow the Langmuir adsorption isotherm.

About the authors

Jie Li

College of Chemistry and Chemical Engineering, Northeast Petroleum University

Author for correspondence.
Email: lijie838@nepu.edu.cn
China, Daqing, 163318

Yangchun Xie

College of Chemistry and Chemical Engineering, Northeast Petroleum University

Email: lijie838@nepu.edu.cn
China, Daqing, 163318

Wenhui Li

Planning and Design institute,the ninth oil production plant of Daqing oilfield company Ltd

Email: lijie838@nepu.edu.cn
China, Daqing, 163853

Ruihua Zhu

College of Chemistry and Chemical Engineering, Northeast Petroleum University

Email: lijie838@nepu.edu.cn
China, Daqing, 163318

Wengxiang Wu

College of Petroleum Engineering, Northeast Petroleum University

Email: lijie838@nepu.edu.cn
China, Daqing, 163318

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