Abstract

Equilibrium conditions of xenon hydrates in the presence of aqueous solutions of alcohols, glycols, and glycerol were experimentally measured in a pressure range up to 1 MPa using an isochoric method. Adding the chemicals to water lowered the equilibrium temperature of xenon hydrate, indicating that the chemicals acts as the hydrate inhibitors. On a mass basis, the inhibiting effect on xenon hydrate formation decreased in the following order: methanol > ethanol > ethylene glycol > glycerol ≈ diethylene glycol > triethylene glycol. The order is the same as those for other hydrates of ethane, propane, and carbon dioxide.

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