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Pressure - Temperature phase diagrams of clathrate hydrates of HFC-134a, HFC-152a and HFC-32

Amir H. Mohammadi 1 Dominique Richon 1
1 CEP/Fontainebleau
CEP - Centre Énergétique et Procédés
Abstract : In this communication, we report dissociation pressures for clathrate hydrates of C2H2F4 (1,1,1,2-tetrafluoroethane or HFC-134a or R-134a), C2H4F2 (1,1-difluoroethane or HFC-152a or R-152a) and CH2F2 (difluoromethane or HFC-32 or R-32) in the temperature ranges of (279.4 to 282.9) K, (279.7 to 287.7) K and (278.1 to 291.3) K, respectively. The experimental data were generated using an isochoric pressure-search method. The hydrate dissociation data are compared with the experimental data reported in the literature and a discussion is made on their reliabilities.
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Submitted on : Tuesday, March 29, 2011 - 1:49:25 PM
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  • HAL Id : hal-00580836, version 1

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Amir H. Mohammadi, Dominique Richon. Pressure - Temperature phase diagrams of clathrate hydrates of HFC-134a, HFC-152a and HFC-32. 2010 AIChE Annual Meeting, Nov 2010, Salt Lake City, United States. ⟨hal-00580836⟩

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