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Modelling of the nitrogen and carbon dioxide solubility in alternative fuels at high pressures using Soave-Redlich-Kwong equation of state

Domenii publicaţii > Chimie + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Teodorescu M., Wichterle I.

Editorial: Proceeding on CD-ROM (ISBN 80-86059-32-4, Full text V3.28) of the 48. Konference chemickeho a procesniho inzenyrstvi,CHISA 2001, 15-18 Octombrie, Srni, Sumava, Czech Republic, p.1-7, 2001.


In this paper the Soave-Redlich-Kwong equation of state with quadratic mixing rule has been tested for correlation of vapour-liquid equilibria (VLE) at high pressures in the binary nitrogen + dimethyl ether, dimethyl ether + methanol, nitrogen + methanol, carbon dioxide + dimethyl ether and carbon dioxide + methanol systems. Using the critical properties of pure components and the parameters kij obtained for each binary pair, this equation of state was examined for prediction of VLE in the ternary nitrogen + dimethyl ether + methanol systems at high pressures. The results of correlation and prediction are presented and discussed.

Cuvinte cheie: Soave-Redlich-Kwong equation of state, quadratic mixing rule, high pressure VLE modelling, dimethyl ether, methanol