A method to calculate the composition of clathrate hydrate of CO 2 -CH 4 , at equilibrium and during crystallization

National audience In recent decades, scientists have made an amazing discovery: methane hydrates in the ocean floor. These solid compounds could represent an energy reserve. Today it is estimated that they contain equivalent carbon under the form of methane in a huge quantity, twice as much as all d...

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Bibliographic Details
Main Authors: Le Quang, Duyen, Herri, Jean-Michel, Ouabbas, Yamina
Other Authors: Centre Sciences des Processus Industriels et Naturels (SPIN-ENSMSE), École des Mines de Saint-Étienne (Mines Saint-Étienne MSE), Institut Mines-Télécom Paris (IMT)-Institut Mines-Télécom Paris (IMT), Département PROcédés Poudres, Interfaces, Cristallisation et Ecoulements (PROPICE-ENSMSE), Institut Mines-Télécom Paris (IMT)-Institut Mines-Télécom Paris (IMT)-SPIN, Laboratoire Georges Friedel (LGF-ENSMSE), Institut Mines-Télécom Paris (IMT)-Institut Mines-Télécom Paris (IMT)-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), Jean-François Joly
Format: Conference Object
Language:English
Published: HAL CCSD 2013
Subjects:
methane hydrate
dissociation
sediment core
heat and mass transfer
[SPI.GPROC]Engineering Sciences [physics]/Chemical and Process Engineering
Methane hydrate
Online Access:https://hal.archives-ouvertes.fr/hal-00930234
https://hal.archives-ouvertes.fr/hal-00930234/document
https://hal.archives-ouvertes.fr/hal-00930234/file/DLQ-SFGP-99.pdf
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Summary:National audience In recent decades, scientists have made an amazing discovery: methane hydrates in the ocean floor. These solid compounds could represent an energy reserve. Today it is estimated that they contain equivalent carbon under the form of methane in a huge quantity, twice as much as all deposits of natural gas, oil and coal. In the near future, we need evaluating the possibility to produce this new source of energy, particularly in replacement of oil and coal. The main question concerns the technology to be used because the methane hydrates are distributed in sediment, and they participate to their consolidation. In this paper we present a method to study the thermodynamic of CO 2 -CH 4 clathrate hydrates, which is the prior step before testing and modeling the replacement of methane hydrate by CO 2 hydrate after injection of CO 2 gas.

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