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AuthorTariq, Mohammad
AuthorAtilhan, Mert
AuthorKhraisheh, Majeda
AuthorOthman, Enas
AuthorCastier, Marcelo
AuthorGarcía, Gregorio
AuthorAparicio, Santiago
AuthorTohidi, Bahman
Available date2021-03-18T10:15:11Z
Publication Date2016
Publication NameEnergy and Fuels
ResourceScopus
ISSN8870624
URIhttp://dx.doi.org/10.1021/acs.energyfuels.6b00117
URIhttp://hdl.handle.net/10576/17921
AbstractThis work presents the characterization of hydrate-forming conditions of a Qatari natural gas-type mixture, QNG-S1, obtained using two different experimental methods, namely, a benchtop reactor and a gas hydrate autoclave. The obtained experimental results were found to be in agreement with each other. Another mixture in which the QNG-S1 sample was diluted with nitrogen (N2) in a 1:1 ratio was also characterized for hydrate dissociation conditions using a rocking cell apparatus only. The thermodynamic hydrate inhibition effect of a biocompatible ionic liquid, choline chloride (ChCl), was tested for both QNG-S1 and QNG-S1+N2 at two concentrations (1 and 5 wt %) using the rocking cell apparatus. It was found that the ChCl shows a typical classical thermodynamic inhibitor behavior for both tested mixtures QNG-S1 and QNG-S1+N2 by shifting the hydrate equilibrium toward lower temperature and higher pressure. Likewise, the interaction between ChCl and model hydrate cages was analyzed using density functional theory to characterize the ionic liquid inhibition mechanism at the nanoscopic level. 2016 American Chemical Society.
Languageen
PublisherAmerican Chemical Society
SubjectBiocompatibility
Chlorine compounds
Density functional theory
Dissociation
Hydration
Ionic liquids
Liquids
Mixtures
Natural gas
Classical thermodynamics
Experimental methods
Hydrate dissociation conditions
Hydrate equilibria
Hydrate forming conditions
Hydrate inhibition
Inhibition mechanisms
Lower temperatures
Gas hydrates
TitleExperimental and DFT Approach on the Determination of Natural Gas Hydrate Equilibrium with the Use of Excess N2 and Choline Chloride Ionic Liquid as an Inhibitor
TypeArticle
Pagination2821-2832
Issue Number4
Volume Number30
dc.accessType Abstract Only


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