Ionic liquid as low dosage hydrate inhibitor for flow assurance in pipeline

Chun, L.K. and Jaafar, A. (2013) Ionic liquid as low dosage hydrate inhibitor for flow assurance in pipeline. Asian Journal of Scientific Research, 6 (2). pp. 374-380. ISSN 19921454

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Abstract

1-ethyl-3-methylimidazoliutme trafluoroborate (EMIM BF4) was explored in carbon dioxide (CO,) gas mixture for its potential application as gas hydrate inhibitors for CO, hydrate (Type I). Induction time was the parameter obtained using High Pressure Knetics Measurement (HPKM) for a bulk volume of 130 mL. The temperature for all the experiments was kept constant at 275.0 K (2'C) with the pressure varied at 25, 30 and 35 bar. The ionic liquid was tested as a kinetic inhibitor as well as thermodynamic inhibitor. In practice, kinetic inhibitors are typically used at concentrations of 1 wt. or less, thus, the experiment was conducted for three different concentrations of the ionic liquid; 0.1, 0.5 and 1.0 wt. at varylng pressures. EMIM BF4 at a concentration of 10.0 wt. was also tested but at 30 bar only to study the effectiveness of ionic liquid as thermodynamic inhibitors. It was found that the induction time for CO, hydrate formation increases in the presence of more highly concentrated ionic liquid. However, at high concentration of 10.0 wt., EMIM BF4 does not show significant changes in the induction time as CO, hydrate inhibitor. © 2013 Asian Network for Scientific Information.

Item Type: Article
Additional Information: cited By 16
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 15:51
Last Modified: 09 Nov 2023 15:51
URI: https://khub.utp.edu.my/scholars/id/eprint/3628

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