Abstract

This study presents the experimental investigations on the kinetics of methane hydrate formation from frozen ground solutions (particle size 80-140 microns) of soy lecithin additive with varying concentrations from 0.1 to 1 mass% at 5 MPa and 273.2 K in an unstirred condition. It has been observed that the presence of soy lecithin additive enhances the degree of water-to-hydrate conversion by about twice compared to ground ice. The proposed mechanism of methane hydrate promotion in frozen ground soy lecithin solutions using nuclear magnetic resonance, viscometry and optical microscopy have been discussed in detail.

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