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Study on hydrate formation and gas selectivity in the presence of a kinetic hydrate inhibitor | ||
| Journal of Chemical and Petroleum Engineering | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 20 اردیبهشت 1405 اصل مقاله (940.45 K) | ||
| نوع مقاله: Special Issue: Gas Hydrates | ||
| شناسه دیجیتال (DOI): 10.22059/jchpe.2026.375687.1513 | ||
| نویسندگان | ||
| Zahra Taheri Rizi* 1؛ Mahboobeh Mohammad-Taheri1؛ Mohammad Ali Aminolroayaei1؛ Bahram Ghanbari2؛ Zoha Vatani3 | ||
| 1Chemical Polymeric and Petrochemical Technology Development Research Division, Research Institute of Petroleum Industry, Tehran, Iran | ||
| 2Department of Chemistry, Sharif University of Technology, Tehran, Iran | ||
| 3Petroleum Refining Technology Development Division, Research Institute of Petroleum Industry, Tehran, Iran | ||
| چکیده | ||
| This study investigated the effects of three process parameters—stirrer speed, salinity, and cooling rate—on the performance of a Kinetic Hydrate Inhibitor (KHI) in inhibiting sour gas hydrate formation and influencing the gas selectivity of hydrogen sulfide and carbon dioxide during this process. The findings demonstrated that (1) the performance of the (KHI) improved significantly in the saline compared to the deionized water system, (2) Increasing the stirrer speed negatively impacted the performance of the KHI, which ultimately reduced the limiting effect of mass transfer between the two phases of gas and water, (3) Lowering the cooling rate decreased KHI performance by shortening nucleation and increasing hydrate growth. Moreover, It was observed that the H2S and CO2 (acid gases) percentages concentrated in the gas phase after hydrate formation with KHI compared to its absence. This suggests that while KHI did not prevent hydrate formation, the risk of corrosion may increase due to the higher quantities of acid gases. | ||
| کلیدواژهها | ||
| Sour gas hydrate formation؛ Gas selectivity؛ Kinetic hydrate inhibitor؛ Cooling rate؛ Stirrer speed؛ Salinity | ||
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آمار تعداد مشاهده مقاله: 84 تعداد دریافت فایل اصل مقاله: 61 |
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