Gas hydrates are crystalline, icelike solids formed from water contacted
with certain light
hydrocarbons and other low-molecular-weight, nonpolar substances under
high pressure and low
temperature. In this study, methane−propane mixture hydrates
were made at various conditions.
The reaction rates were experimentally measured at each condition.
Structure II-type hydrates
were formed up to 7580 kPa at around 280 °K from methane containing
3% and 5% propane.
The reaction rates for forming hydrates were proportional to the
pressure difference between
the system pressure and the dissociation pressure. The kinetic
model was developed.
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