Abstract
The solubilities of nitrogen in selected n-paraffin hydrocarbons (decane, eicosane, octacosane, hexatriacontane) were measured using a static equilibrium cell over the temperature range from 323.2 to 423.2 K at pressures to 18.0 MPa. The uncertainty in the measured solubilities is estimated to be less than 0.001 in mole fraction. The data were analyzed using the Soave−Redlich−Kwong (SRK) and Peng−Robinson (PR) equations of state. In general, the two equations represent the experimental data well when a single interaction parameter Cij is used for each binary system. The data display a trend of increasing solubility of nitrogen with increased temperature, pressure, and n-paraffin chain length.
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