A kinetic study of methane hydrate formation in the presence of ionic liquids and poly(N-vinylcaprolactam)
Publish place: Gas Processing، Vol: 9، Issue: 1
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_GPJU-9-1_004
تاریخ نمایه سازی: 23 مرداد 1400
Abstract:
Gas hydrates are ice-like crystalline compounds that are commonly formed in pipelines. Gas hydrate formation blockspipelines and damages equipment. One of the efficient prevention and control methods is using dual-functional inhibitors. Recently ionic liquids have been introduced as dual-functional hydrate inhibitors. Methane hydrate formation kinetics were investigated in the presence of ionic liquids and PVCap.Besides, induction time was calculated in presence of various concentrations of different ionic liquids. For this purpose, the van der Waals-Platteeuw theory, the Peng-Robinson equation of state, and the NRTL activity model were used to describe the chemical potential of the hydrate phase, to elaborate on methane fugacity in the vapor phase, and to predictwater activity in theliquid phase respectively. The results were compared with experimental data and a good agreement between correlated and experimental data was observed.
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Authors
Maryam Ghaderi Ardakani
Department of Chemical, Oil and Gas Engineering, Shiraz University of Technology, Shiraz, Iran
Jafar Javanmardi
Department of Chemical, Oil and Gas Engineering, Shiraz University of Technology, Shiraz, Iran
Payam Parvasi
Department of Chemical, Oil and Gas Engineering, Shiraz University of Technology, Shiraz, Iran
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