Occurrence of methane hydrate in saturated and unsaturated solutions of sodium chloride and water in dependence of temperature and pressure

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Abstract

Experimental results of the formation of methane hydrate in dependence of temperature and pressure in unsaturated solutions of NaCl in water will be presented in a temperature range from 261.85 to 285.98 K and pressure up to 11.0 MPa. Furthermore the four-phase equilibrium NaCl·2H2Os[BOND] CH4·nH2Os[BOND]L[BOND]G has been calculated from the experimental results. Also the heats of transformation of several other equilibria in the ternary system CH4[BOND]H2O[BOND]NaCl are obtained.

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