Experimental simulation of methane hydrate extraction at high pressure conditions: Influence of the sediment bed

Beitrag in einer Fachzeitschrift


Details zur Publikation

Autorinnen und Autoren: Rodríguez Agudo J, Park J, Luzi G, Williams M, Rauh C, Wierschem A, Delgado A
Zeitschrift: Journal of Physics: Conference Series
Jahr der Veröffentlichung: 2017
Heftnummer: 950
ISSN: 1742-6588


Abstract

Being a clean alternative to other fossil fuels, Methane Hydrate (MH) is
currently considered as one of the most important potential sources for
hydrocarbon fuels [1]. In addition, the high energy density of MH and
its stability at higher temperatures as compared to LNG (Liquefied
Natural Gas) makes MH a potential greener method for energy
transportation. At the same time, the low thermodynamic stability of MH
strongly questions the future exploitation of gas hydrate deposits,
turning its extraction into a possible geohazard [2]. Fluctuations in
pressure, temperature, salinity, degree of saturation or sediment bed
properties may cause methane gas release from the water lattice. We
experimentally study the influence of the sediment bed geometry during
formation-dissociation of MH. For this purpose, MH is synthesized within
regular substrates in a 93 cm3 high pressure vessel. The
regular substrates are triangular and quadratic arrangements of
identical glass spheres with a diameter of 2 and 5 mm, respectively. MH
formation within regular substrate reduces the possibility of
spontaneous nucleation to a unique geometrical configuration. This fact
permits us to characterize the kinetics of MH formation-dissociation as a
function of the sediment bed geometry. Preliminary experimental results
reveal a strong dependence of MH formation on the geometry of the
regular substrate. For instance, under the same pressure and
temperature, the kinetics of MH production is found to change by a
factor 3 solely depending on the substrate symmetry, i.e. triangular or
quadratic.


FAU-Autorinnen und Autoren / FAU-Herausgeberinnen und Herausgeber

Delgado, Antonio Prof. Dr.-Ing.
Lehrstuhl für Strömungsmechanik
Luzi, Giovanni
Department Chemie- und Bioingenieurwesen
Park, Jinyoung
Lehrstuhl für Strömungsmechanik
Rodríguez Agudo, José
Department Chemie- und Bioingenieurwesen
Wierschem, Andreas Prof. Dr.
Professur für Hochdruckthermofluiddynamik und Rheologie
Williams, Marc
Lehrstuhl für Chemische Reaktionstechnik


Einrichtungen weiterer Autorinnen und Autoren

Technische Universität Berlin


Zitierweisen

APA:
Rodríguez Agudo, J., Park, J., Luzi, G., Williams, M., Rauh, C., Wierschem, A., & Delgado, A. (2017). Experimental simulation of methane hydrate extraction at high pressure conditions: Influence of the sediment bed. Journal of Physics: Conference Series, 950. https://dx.doi.org/10.1088/1742-6596/950/4/042043

MLA:
Rodríguez Agudo, José, et al. "Experimental simulation of methane hydrate extraction at high pressure conditions: Influence of the sediment bed." Journal of Physics: Conference Series 950 (2017).

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Zuletzt aktualisiert 2019-26-04 um 09:53