The Calculation of the Critical State for a Binary Mixture with Modified Peng-Robinson Equation of State

摘要

This paper presents how the two temperature-dependent parameters are used in the Peng-Robinson equation to calculate the critical properties of a binary mixture. Comparisions are made between experimental and calculated values by S-R-K、P-R and modified P-R equation of state. The results show the prediction by modified P-R equation of state is greater agreement with experiment values than other methods.