RT info:eu-repo/semantics/article
T1 Thermodynamic characterization of the (CO2 + O2) binary system for the development of models for CCS processes: Accurate experimental (p, ρ, T) data and virial coefficients
A1 Lozano Martín, Daniel
A1 Vega Maza, David
A1 Martín, M. Carmen
A1 Tuma, Dirk
A1 Chamorro Camazón, César Rubén
K1 Termodinámica
K1 Carbon
AB Continuing our study on (CO2 + O2) mixtures, this work reports new experimental (p, ρ, T) data for two oxygen-rich mixtures with mole fractions x(O2) = (0.50 and 0.75) mol·mol−1, in the temperature range T = (250 to 375) K and pressure range p = (0.5 to 20) MPa, using a single-sinker densimeter. Experimental density data were compared to two well established equation-of-state models: EOS-CG and GERG-2008. In the p, T-range investigated, the EOS-CG gave a better reproduction for the equimolar mixture (x(O2) = 0.5), whereas the GERG-2008 performed significantly better for the oxygen-rich mixture (x(O2) = 0.75). The EOS-CG generally overestimates the density, while the GERG-2008 underestimates it. This complete set of new experimental data, together with previous measurements, is used to calculate the virial coefficients B(T, x) and C(T, x), as well as the second interaction virial coefficient B12(T) for the (CO2 + O2) system.
PB Elsevier
SN 0896-8446
YR 2020
FD 2020
LK http://uvadoc.uva.es/handle/10324/43279
UL http://uvadoc.uva.es/handle/10324/43279
LA eng
NO The Journal of Supercritical Fluids Available online 29 October 2020, 105074 In Press, Journal Pre-proof
NO Producción Científica
DS UVaDOC
RD 23-nov-2024