Kinetics of hydrate dissociation at a pressure of 0.1 MPa
نویسندگان
چکیده
Experimental data on the kinetics of propane hydrate dissociation at 0.1 MPa and different external temperatures were obtained. A two-stage mechanism of hydrate dissociation was observed visually. In the first stage hydrate dissociated into metastable water and gas. During the second stage the metastable water crystallized into ice. The release of metastable water during hydrate dissociation and its subsequent recrystallization exclude the possibility of achieving theoretical equilibrium temperatures during hydrate dissociation at 0.1 MPa ( 14°C for propane hydrates), although temporary temperature decreases (to 1 to 2°C) and transient ice formation were observed. Permafrost, Phillips, Springman & Arenson (eds) © 2003 Swets & Zeitlinger, Lisse, ISBN 90 5809 582 7
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