Vapour-x2013;liquid equilibrium data for the difluoromethane+1,1,1,2,3,3,3-heptafluoro-propane system at temperatures from 283.20 to 343.38 K and pressures up to 4.5 MPa - Mines Saint-Étienne
Journal Articles International Journal of Refrigeration Year : 2003

Vapour-x2013;liquid equilibrium data for the difluoromethane+1,1,1,2,3,3,3-heptafluoro-propane system at temperatures from 283.20 to 343.38 K and pressures up to 4.5 MPa

Abstract

Isothermal vapour-liquid equilibrium data for the difluoromethane (R32)-1,1,1,2,3,3,3-Heptafluoropropane (R227ea) binary system are presented at 283.20, 303.21, 323.21 and 343.38 Kand pressures up to 4.5 MPa. Theexperimental method, used for this work, is of the static analytic type. It takes advantage of mobile pneumatic capillarysamplers (RolsiTM, Armines' patent) developed in our laboratory. The four P, x, y isothermal data have been representedwith the Soave-Redlich-Kwong (SRK) equation of state and the MHV1 rules involving the NRTL model.

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Chemical and Process Engineering

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https://hal-emse.ccsd.cnrs.fr/emse-00613027

Submitted on : Tuesday, August 2, 2011-10:56:04 AM

Last modification on : Tuesday, September 17, 2024-3:45:25 PM

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emse-00613027 , version 1 (02-08-2011)

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Christophe Coquelet, Duc Nguyen Hong, A. Chareton, A. Baba-Ahmed, Dominique Richon. Vapour-x2013;liquid equilibrium data for the difluoromethane+1,1,1,2,3,3,3-heptafluoro-propane system at temperatures from 283.20 to 343.38 K and pressures up to 4.5 MPa. International Journal of Refrigeration, 2003, 26, pp.559-565. ⟨10.1016/S0140-7007(02)00164-0⟩. ⟨emse-00613027⟩

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