Premium
Vapor‐liquid equilibrium measurements for the propane‐ethanol system at elevated pressures
Author(s) -
GomezNieto Mateo,
Thodos George
Publication year - 1978
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690240415
Subject(s) - propane , isothermal process , thermodynamics , dew point , chemistry , bubble point , binary system , vapor–liquid equilibrium , bubble , critical point (mathematics) , analytical chemistry (journal) , ethanol , binary number , chromatography , mechanics , organic chemistry , mathematical analysis , physics , arithmetic , mathematics
Vapor‐liquid equilibrium measurements have been carried out for the propane‐ethanol system at 325°, 350°, 375°, 400°, and 425°K. The pressures corresponding to these temperatures ranged from 569.5 kPa (82.6 lb/in. 2 abs) to 5 618.5 kPa (814.9 lb/in. 2 abs). Altogether, nineteen experimental determinations were made; one of these determinations at 425°K approached the critical state, and this measurement assisted in establishing the entire critical temperature and critical pressure profiles for this binary system. The information associated with these measurements enabled the construction of isothermal bubble point‐dew point relationships up to 500°K. These results made possible the establishment of isothermal relationships of K values vs. pressure for the components of the propane‐ethanol system. Calculated K values for this system using the BWR method and the SRK method were found to be in fair agreement with corresponding experimental values.