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Experimental evidence of gas hydrates dissociation kinetics by shifting their equilibrium conditions

Marinakis Dimitrios, Varotsis Nikolaos

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URIhttp://purl.tuc.gr/dl/dias/617DA3D1-887A-4A65-BDD2-084BC30001F2-
Identifierhttps://doi.org/10.1088/1742-6596/1681/1/012020-
Identifierhttps://iopscience.iop.org/article/10.1088/1742-6596/1681/1/012020-
Languageen-
Extent5 pagesen
Extent812.2 kilobytesen
TitleExperimental evidence of gas hydrates dissociation kinetics by shifting their equilibrium conditionsen
CreatorMarinakis Dimitriosen
CreatorΜαρινακης Δημητριοςel
CreatorVarotsis Nikolaosen
CreatorΒαροτσης Νικολαοςel
PublisherIOP Publishingen
DescriptionThe 6th International Conference on Chemical Materials and Process, 2-4 July 2020, Warsaw, Polanden
Content SummaryThe scope of this study is to define the rates under which multi-component gas hydrates contained in the pore space of a mud volcanos' (MV) sediments may decompose in gas and water phase as a result of pressure decrease or temperature increase. Such cases can be encountered during retrieval and handling of pristine samples from the sea floor, or due to an increase of hot mud fluxes from underneath the MV area. Both of the aforementioned shifts of conditions have been studied in the bulk liquid phase of a reactor, while pressure decrease has also been studied in a piston vessel containing artificial sediment at the Centre for Gas Hydrates Research, HW University, Edinburgh. The results indicate that gas hydrate dissociation progresses much faster with pressure decrease than with temperature increase. Moreover, depressurization at temperatures above 15°C causes higher dissociation rates in comparison to that at lower temperatures.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2021-12-22-
Date of Publication2020-
SubjectGas hydratesen
SubjectMud volcanos’ (MV) sedimentsen
SubjectGas and water phaseen
SubjectPressure decreaseen
SubjectTemperature increaseen
Bibliographic CitationD. Marinakis and N. Varotsis, “Experimental evidence of gas hydrates dissociation kinetics by shifting their equilibrium conditions,” J. Phys.: Conf. Ser., vol. 1681, 2020. doi: 10.1088/1742-6596/1681/1/012020en

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