Measurement of the volumetric properties of a nitrogen-methane-ethane mixture at 275, 310, and 345 K at pressures to 60 MPa

Abstract

The volumetric properties of a nitrogen-methane-ethane mixture are determined experimentally by a Burnett apparatus at 275, 310, and 345 K at pressures to 60 MPa. In this paper compression factors are calculated by fitting simultaneously the isothermal pressure series to the Burnett relation and the virial equation. Densities and compression factors at integral pressures are calculated from the experimental data. The composition of the mixture is 12.09 mol % nitrogen, 62.65 mol % methane, and 25.26 mol % ethane.