The Effect of Inhibitor on Wax Precipitation in Iranian Oil Fields Using Differential Scanning Calorimetry and Microscopy Methods
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJOGST-10-3_001
تاریخ نمایه سازی: 24 اسفند 1400
Abstract:
This study investigated the effect of ethylene-vinyl acetate (EVA) as an inhibitor on wax appearance temperature (WAT) of crude oil in the Iranian oil field using the differential scanning calorimetry (DSC) method. The effect of EVA on the morphology of crude oil wax crystals was examined by a system equipped with an ocular microscope. The EVA inhibitor has an outstanding performance in reducing the wax appearance temperature of crude oil and prevents the crystallization process and the connection of the growing wax crystals to form a network structure by adsorbing on them. Adding ۸۰۰ ppm of the EVA inhibitor caused the most significant decrease in the WAT of crude oil at a rate of ۲۶.۱۳ °C and formed smaller crystals and weaker structures at this concentration. Therefore, ۸۰۰ ppm of the EVA inhibitor was selected as the optimal value.
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Authors
Hossein Hejazi
M.S. Student, Chemical Engineering Department, Ilam University
Behrouz Bayati
Associate Professor, Chemical Engineering Department, Faculty of Engineering, Ilam University, Ilam, Iran
Mohsen Mansouri
Associate Professor, Chemical Engineering Department, Faculty of Engineering, Ilam University, Ilam, Iran
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