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ADSORPTION BEHAVIOR OF IMIDAZOLINE INHIBITOR ON CARBON STEEL IN CO2 SATURATED NaCl SOLUTION

YI Jun-Zhe, Mei Beng, Xinpeng Guo

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Abstract

Adsorption behavior of an imidazoline inhibitor(MA)on carbon steel in CO_2 saturated 1%NaCl solution is studied by potentiodynamic polarization curves.The thermodynamic parameters are calculated and the adsorption isotherm is also discussed.The results show that MA is of mixed adsorption and its inhibition efficiencies increased with the increasing of MA concentration and decreased with the increasing of temperature. The adsorption of MA meets the El-Awady thermodynamic kinetic model,and is in line with the Flory-Huggins isotherm.

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Adsorption behavior of an imidazoline inhibitor(MA)on carbon steel in CO_2 saturated 1%NaCl solution is studied by potentiodynamic polarization curves.The thermodynamic parameters are calculated and the adsorption isotherm is also discussed.The results show that MA is of mixed adsorption and its inhibition efficiencies increased with the increasing of MA concentration and decreased with the increasing of temperature. The adsorption of MA meets the El-Awady thermodynamic kinetic model,and is in line with the Flory-Huggins isotherm.

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Available abstract

Adsorption behavior of an imidazoline inhibitor(MA)on carbon steel in CO_2 saturated 1%NaCl solution is studied by potentiodynamic polarization curves.The thermodynamic parameters are calculated and the adsorption isotherm is also discussed.The results show that MA is of mixed adsorption and its inhibition efficiencies increased with the increasing of MA concentration and decreased with the increasing of temperature. The adsorption of MA meets the El-Awady thermodynamic kinetic model,and is in line with the Flory-Huggins isotherm.

Key concepts: Adsorption, Materials science, Thermodynamics, Sorption isotherm, Kinetic energy, Carbon steel, Chemical engineering, Physical chemistry

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ADSORPTION BEHAVIOR OF IMIDAZOLINE INHIBITOR ON CARBON STEEL IN CO2 SATURATED NaCl SOLUTION — Research Paper | ScholarLens