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Interest of in situ turbidimetry for the characterization of methane hydrate crystallization: Application to the study of kinetic inhibitors

Abstract : In this paper we describe a new experimental set-up which makes possible the in situ determination of the particle size distribution of methane hydrate during its formation in a pressurized reactor. It has been installed on two research sites: one at the Institut Français du Pétrole (IFP) and the other at the Ecole des Mines de Saint-Etienne (EMSE). Thanks to this apparatus, new data can be obtained, in particular concerning the granular aspects of the crystallization processes and the reproducibility of the results. Particularly, we propose a new experimental procedure which allows us two important improvements: • a better reproducibility of the induction time, • the possibility of doing a large number of experiments in a day (around fifteen). Using this protocol, the effect of some kinetic inhibitors of the crystallization processes are shown: increase of the induction time and/or decrease of the quantity of hydrate formed.
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https://hal-emse.ccsd.cnrs.fr/emse-00497096
Contributor : Andrée-Aimée Toucas <>
Submitted on : Friday, July 2, 2010 - 2:05:14 PM
Last modification on : Wednesday, June 24, 2020 - 4:18:32 PM

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Jean-Michel Herri, Frédéric Gruy, Jean-Stéphane Pic, Michel Cournil, Béatrice Cingotti, et al.. Interest of in situ turbidimetry for the characterization of methane hydrate crystallization: Application to the study of kinetic inhibitors. Chemical Engineering Science, Elsevier, 1999, 54 (12), pp.1849-1858. ⟨10.1016/S0009-2509(98)00433-3⟩. ⟨emse-00497096⟩

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