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p-T-x Measurements for 1,1,1,2-Tetrafluoroethane (R134a) + N,N –dimethylacetamide (DMA), and N-methyl-2-pyrrolidone (NMP)

Abstract : The present study concerns p-T-x phase equilibria measurements involving two working fluid pairs (Refrigerant + Organic solvent) , namely 1,1,1,2-tetrafluoroethane (R134a) + N,N – dimethylacetamide (DMA) and , 1,1,1,2-tetrafluoroethane + N-methyl-2-pyrrolidone (NMP), using the static-analytic method at temperatures varying between 303 and 353 K. The experimentally measured data were successfully correlated using the Peng – Robinson equation of state (PR-EoS) in combination with Huron-Vidal mixing rule, and the non-random two liquid activity coefficient model (NRTL), contrarily to the predictive Soave-Redlich-Kwong (PSRK) group contribution equation of state which failed to reproduce accurately enough such data.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01305709
Contributor : Marie-Claude Watroba <>
Submitted on : Thursday, April 21, 2016 - 4:03:36 PM
Last modification on : Thursday, September 24, 2020 - 4:36:08 PM
Long-term archiving on: : Friday, July 22, 2016 - 1:01:38 PM

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Raouf Zehioua, Christophe Coquelet, Abdeslam-Hassen Meniai. p-T-x Measurements for 1,1,1,2-Tetrafluoroethane (R134a) + N,N –dimethylacetamide (DMA), and N-methyl-2-pyrrolidone (NMP). Journal of Chemical and Engineering Data, American Chemical Society, 2016, 61 (2), pp.912-919. ⟨10.1021/acs.jced.5b00747⟩. ⟨hal-01305709⟩

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