Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jct.2013.02.003
Title: Hydrate phase equilibrium of ternary gas mixtures containing carbon dioxide, hydrogen and propane
Authors: Babu, P.
Yang, T.
Veluswamy, H.P.
Kumar, R.
Linga, P. 
Keywords: Carbon dioxide capture
Gas hydrates
Global warming
Phase equilibrium
Pre-combustion
Thermodynamics
Issue Date: 2013
Citation: Babu, P., Yang, T., Veluswamy, H.P., Kumar, R., Linga, P. (2013). Hydrate phase equilibrium of ternary gas mixtures containing carbon dioxide, hydrogen and propane. Journal of Chemical Thermodynamics 61 : 58-63. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jct.2013.02.003
Abstract: Hydrate phase equilibrium of the ternary guest mixtures containing carbon dioxide, hydrogen and propane at two different compositions were determined. Addition of mole composition of 2.5% propane to the fuel gas (CO2 (40%)/H2 (60%)) mixture reduces the hydrate formation conditions by 66% at the temperature of 278.4 K. A Clausius-Clapeyron plot for the experimental results was plotted and from the slope, the enthalpy of hydrate dissociation was calculated. The enthalpy of dissociation of the mixed hydrate formed from a ternary gas mixture containing mole composition 38.1% CO 2, 59.4% H2 and 2.5% C3H8 was found to be 110 kJ · mol-1 and hence it was concluded that the mixed hydrate formed structure II (sII) hydrates. Whereas for the ternary gas mixture containing mole composition 80.0% CO2, 18.8% H2, and 1.2% C3H8, the enthalpy of dissociation of the mixed hydrate was found to be 78 kJ · mol-1 and hence we believe the mixed hydrate formed structure I (sI) hydrate. © 2013 Published by Elsevier B.V. All rights reserved.
Source Title: Journal of Chemical Thermodynamics
URI: http://scholarbank.nus.edu.sg/handle/10635/89140
ISSN: 00219614
DOI: 10.1016/j.jct.2013.02.003
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