VAPOR-LIQUID EQUILIBRIA FOR BINARY AND TERNARY SYSTEMS CONTAINING CARBON DIOXIDE

Abstract

Vapor-liquid equilibria containing carbon dioxide: CO₂-CO, CO₂-Ar, CO₂-CH₄ and CO₂-H₂-CO were measured by static method at -50°C to 20°C and up to 200 atm. By using these data and the data available in literature, the extent of usefulness of the Benedict-Webb-Rubin equation (hereafter abbreviated as BWR equation) and the treatment of Leland et al. were studied. The BWR equation correctly predicted the vapor-liquid equilibria of inorganic mixtures except in the critical region, while the treatment of Leland et al. was insufficient.