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Figure 5. Effect of the H content (0.2 - 10 mol.%) on the density (left) and Higher Wobbe Index (right) of natural gas
2
rent temperatures is better estimated by means of the Boiling Point of Normal Hydrogen as a Basic Point in Ther-
MBWR EoS, fundamental EoSs developed ad-hoc for mometry. Commun. Kamerlingh Onnes Lab. Univ. Leiden
24
the specific pure component, like the one presented (217A), 1-9.
by Leachman et al. , or the ZJ EoS. The latter ther- 11. Scott, R., Brickwedde, F., Urey, H.C., Wahl, M., 1934. The
20
1
modynamic model has proved to work well also in pre- vapor pressures and derived thermal properties of hydro-
dicting vapor-liquid equilibrium data for the binary system gen and deuterium. The Journal of Chemical Physics 2(8),
hydrogen + methane, which deserves attention conside- 454-464.
ring the numerous recent studies on the hydrogen use in 12. Aston, J., Willihnganz, E., Messerly, G.H., 1935. Heat Ca-
the natural gas distribution system. pacities and Entropies of Organic Compounds. I. A Ther-
modynamic Temperature Scale in Terms of the Copper-
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