Predicting the carbon dioxide hydrate formation temperatures in the presence of amino acids
- سال انتشار: 1399
- محل انتشار: سومین کنفرانس دوسالانه نفت، گاز و پتروشیمی خلیج فارس
- کد COI اختصاصی: OGPC03_081
- زبان مقاله: انگلیسی
- تعداد مشاهده: 276
نویسندگان
M.Sc. Student of Chemical Engineering, Faculty of Chemical Engineering, Oil and Gas, Shiraz University of Technology, Shiraz, Iran
Professor of Chemical Engineering, Faculty of Chemical Engineering, Oil and Gas, Shiraz University of Technology, Shiraz, Iran
چکیده
Gas hydrates are crystalline solid compounds, composed of water and gas molecules. This compound may formed at appropriate conditions of pressure and temperature. The formation of gas hydrates blocks oil and gas transmission pipelines. Usually, thermodynamic and/or kinetic inhibitors are used to prevent the gas hydrate formation. Amino acids can be considered as a suitable option which can be used as a thermodynamic inhibitor due to their biologically friendly in nature and biodegradability, as well as their relatively low cost. In this study, hydrate formation temperature of carbon dioxide in the presence of amino acids have been investigated with the new correlation for computing the hydrate formation enthalpy in the pressure range of ۱.۴۴ to ۳.۵۱ MPa. The calculated errors are less than the results of conventional van der Waals and Platteeuw hydrate models. This correlation is optimized by a genetic algorithm that can reduce computational time and provide acceptable results.کلیدواژه ها
Gas hydrates, Carbon dioxide, Thermodynamic inhibitors, Amino acids.مقالات مرتبط جدید
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