Journal ArticleDOI
Modeling phase equilibria of semiclathrate hydrates of CH4, CO2 and N2 in aqueous solution of tetra-n-butyl ammonium bromide
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In this paper, the authors proposed a thermodynamic model for gas hydrate system as proposed by Chen and Guo has been extended for semiclathrate hydrates of gases in aqueous solution of TBAB.About:
This article is published in Journal of Natural Gas Chemistry.The article was published on 2012-07-01. It has received 62 citations till now. The article focuses on the topics: Hydrate & Clathrate hydrate.read more
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Kinetics of methane hydrate formation in an aqueous solution of thermodynamic promoters (THF and TBAB) with and without kinetic promoter (SDS)
TL;DR: In this article, experiments were conducted at an initial pressure conditions of 75 MPa and 27615 K for pure water, SDS, TBAB, (Tetra-n-butyl ammonium bromide, tetrahydrofuran, THF) and kinetic promoters (sodium dodecyl sulphate SDS) for methane hydrate system suitable for natural gas storage and transportation.
Journal ArticleDOI
Guest-induced symmetry lowering of an ionic clathrate material for carbon capture
Sanehiro Muromachi,Kostantin A. Udachin,Kyuchul Shin,Saman Alavi,Saman Alavi,Igor L. Moudrakovski,Ryo Ohmura,John A. Ripmeester +7 more
TL;DR: A new lattice structure of the ionic clathrate hydrate of tetra-n-butylammonium bromide induced by guest CO2 molecules is reported, which is found to provide high CO2 storage capacity.
Journal ArticleDOI
Phase equilibrium of semiclathrate hydrates of methane in aqueous solutions of tetra-n-butyl ammonium bromide (TBAB) and TBAB-NaCl
TL;DR: In this paper, the phase equilibria of semiclathrate hydrates of methane (CH 4 ) in tetra-n-butyl ammonium bromide (TBAB) were analyzed.
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Modeling the Dissociation Conditions of Carbon Dioxide + TBAB, TBAC, TBAF, and TBPB Semiclathrate Hydrates
Ayako Fukumoto,Patrice Paricaud,Didier Dalmazzone,Wassila Bouchafaa,Thi Thu-Suong Ho,Walter Fürst +5 more
TL;DR: In this paper, the van der Waals and Platteeuw theory is combined with the model to calculate the dissociation conditions of carbon dioxide semiclathrate hydrates.
Journal ArticleDOI
Experimental and Modeling Study on Phase Equilibria of Semiclathrate Hydrates of Tetra-n-butyl Ammonium Bromide + CH4, CO2, N2, or Gas Mixtures
Zhixin Liao,Xuqiang Guo,Yanyan Zhao,Yiwei Wang,Qiang Sun,Aixian Liu,Chang-Yu Sun,Guang-Jin Chen +7 more
TL;DR: In this article, the authors investigated the thermodynamic modeling of phase equilibria of semiclathrate hydrates in TBAB aqueous solution and used the Patel-Teja equation of state (PT EoS) to calculate the fugacity of the gas phase.
References
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Journal ArticleDOI
Generalized model for predicting phase behavior of clathrate hydrate
TL;DR: In this paper, an improved and generalized model was developed to predict the dissociation pressures of hydrate-forming gases and the complicated phase behavior of multicomponent hydrate systems based on the van der Waals-Platteeuw theory with the Kihara spherical-core potential function.
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Equilibrium Conditions for Semiclathrate Hydrates Formed in the CH4 + N2 + O2 + Tetra-n-butyl Ammonium Bromide Systems
TL;DR: In this article, phase equilibrium conditions for tetra-n-butyl ammonium bromide (TBAB) semiclathrate hydrates formed with the gas mixture (29.95 % CH4 + 60.0 % N2 + 10.05 % O2 in mole fraction) were measured.
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Accurate prediction of clathrate hydrate phase equilibria below 300 K from a simple model
TL;DR: In this paper, a simple thermodynamic model with only two adjustable parameters has been developed which can accurately correlate hydrate-liquid water-vapor (H-LW-V) phase equilibrium for single-guest gas hydrates at temperatures below 300 K.
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Predicting Hydrate Forming Pressure of Pure Alkanes in the Presence of Inhibitors
TL;DR: In this article, the authors developed a simple-to-use correlation for accurate prediction of hydrate-forming pressures of pure alkanes in the presence of different hydrate inhibitors, where the obtained results illustrate good agreement with the reported experimental data.
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Influence of fluoroalkanes on the phase behaviour of methane gas hydrate systems
TL;DR: In this article, the influence of tetrafluoromethane and fluoroform on the phase behavior of methane gas hydrates has been investigated, and the phase boundary hydrate-liquid water-vapour (H-L w-V) was determined experimentally for vapour phase compositions varying from 0 to 1.