04 خرداد 1403
پيوند واله شيدا

پیوند واله شیدا

مرتبه علمی: دانشیار
نشانی: کرمانشاه، دانشگاه صنعتی کرمانشاه-دانشکده مهندسی-گروه مهندسی شیمی
تحصیلات: دکترای تخصصی / مهندسی شیمی
تلفن: 083-38305004 (1166)
دانشکده: دانشکده مهندسی

مشخصات پژوهش

عنوان
An insight on amine air-cooled heat exchanger tubes’ corrosion in the bulk CO2 removal plant
نوع پژوهش مقاله چاپ شده
کلیدواژه‌ها
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پژوهشگران حامد رشیدی (نفر اول)، پیوند واله شیدا (نفر دوم)

چکیده

The corrosion behavior of activated MDEA solution was investigated in the background of CO2 bulk removal in ammonia plant, Kermanshah, Iran. The visual inspection reports demonstrated a consistentpattern of damage at the tubes’ entrance of lean amine air-cooled heat exchanger, made from carbonsteel. To provide information on the corrosion in tubes, a series of experiments was carried out at 85◦C,with different combinations of CO2loading (0.02, 0.25 and 0.6 mol/mol) using electrochemical tech-niques, weight loss coupons, chemical analysis, and surface analytical techniques. Results showed thatthe dominant process was the effect of erosion corrosion. It seems that impinging particles remove thesemi-protective layer of FeCO3on the carbon steel surface, resulting in continuous exposure of freshmetal surface to the corrosive environment, and a higher corrosion rate.