کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8127697 | 1522961 | 2018 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Corrosion protection of mild steel in hydrochloric acid up to 313Â K using propyl benzimidazole: Electroanalytical, adsorption and quantum chemical studies
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی (عمومی)
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چکیده انگلیسی
The inhibition efficiency of propyl benzimidazole for mild steel in hydrochloric acid in three different concentrations at 303, 308 & 313Â K have been studied by polarization, electrochemical impedance spectroscopy, adsorption, surface studies and basic computational calculations. The inhibition efficiencies and the global chemical reactivity relate to total energy, EHOMO, ELUMO and gap energy (ÎE). Propyl benzimidazole interact with mild steel surface through adsorption and the process of adsorption follow Langmuir isotherm model. The inhibition efficiency increases with concentration and reaches maximum at 150Â ppm. The increase in temperature have an inverse relationship with protection efficiency. The corrosion inhibition efficiencies and the global chemical reactivity relate to total energy, EHOMO, ELUMO and gap energy (ÎE).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Egyptian Journal of Petroleum - Volume 27, Issue 1, March 2018, Pages 11-20
Journal: Egyptian Journal of Petroleum - Volume 27, Issue 1, March 2018, Pages 11-20
نویسندگان
Revathi Mohan, Abraham Joseph,