The qualitative features of SVE at high pressures shown in Fig. 15.6 are determined by the equation of state for the gas. To what extent can these features be represented by the two-term virial equation in pressure, Eq. (3.36)?

Figure 15.6

Eq (3.36)

Transcribed Image Text:

10-1 °from SRK EOS, with k = 0 10-2 from SRK EOS, with 42 = 0.088 10-3 10-4 10-5 Ideal solubility + Poynting effect 10-6 P, 100 200 300 P/bar Figure 15.6: Solubility of naphthalene(1) in carbon dioxide(2) at 35°C. Circles are data. Curves are computed from Eqs. (15.28) and (15.30) under various assumptions as labeled.