Acta Phys. -Chim. Sin. ›› 1994, Vol. 10 ›› Issue (06): 501-507.doi: 10.3866/PKU.WHXB19940605

• ARTICLE • Previous Articles     Next Articles

Solubilities of Methane in Mixed Solvents of Water and t-butye Alcohol

Pan Jing-Jun, Han Bu-Xing, Yan Hai-Ke, Li Zhi-Fen, Liu Rui-Lin   

  1. Institute of Chemistry, Academia Sincia, Beijing 100080| Institute of Physical Chemistry, Peking University, Beijing 100871
  • Received:1993-02-01 Revised:1993-04-16 Published:1994-06-15
  • Contact: Yan Hai-Ke

Abstract:

Solubilities of methane in binary mixtures of water and t-butyl alcohol (TBA) have been measured in the temperature range from 303.15 K to 333.15 K and at pressures up to 6 MPa. The mole fraction of t-butyl alcohol(x_(TBA)) in the mixed solvents varied from 0.0 to 1.0. The dependence of the solubilities on temperature and the composition of the mixed solvents can be explained by clathrate structure in the mixed solvents. The Henry s Law constans, the partial mole volumes of methane in the solvents, and the standard thermodynamic functions (ΔG°, ΔH°, ΔS°) have been calculated and discussed.

Key words: Methane, Water, t-butyl alcohol, Gas solubility, Thermodynamic properties