Abstract
The carbon dioxide gas hydrate formation kinetics at the onset of turbidity is experimentally and theoretically investigated. It is shown that the time-dependent heterogeneous nucleation and growth kinetics are simultaneously governing the hydrate formation process at the onset of turbidity. A new approach is also presented for determination of gas hydrate-liquid interfacial tension. The CO2 hydrate-liquid interfacial tension according to the suggested heterogeneous nucleation mechanism is found to be about 12.7 mJ/m2. The overall average absolute deviation between predicted and measured CO2 molar consumption is about 0.61%, indicating the excellent accuracy of the proposed model for studying the hydrate-based CO2 capture and sequestration processes over wide ranges of pressures and temperatures.
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ZareNezhad, B., Mottahedin, M. & Varaminian, F. Experimental and theoretical investigations on the carbon dioxide gas hydrate formation kinetics at the onset of turbidity regarding CO2 capture and sequestration processes. Korean J. Chem. Eng. 30, 2248–2253 (2013). https://doi.org/10.1007/s11814-013-0164-y
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DOI: https://doi.org/10.1007/s11814-013-0164-y