New Observations and Insights into the Morphology and Growth Kinetics of Hydrate Films

• DOI: 10.1038/srep04129
• Publication Date: 2014-02-19T10:59:13Z
• Authors: Sheng-Li Li; Chang-Yu Sun; Bei Liu; Zhi-Yun Li; Guang-Jin Chen; Amadeu K. Sum
• Keywords: Subcooling; Clathrate hydrate; Morphology; Mass fraction

The kinetics of film growth hydrates methane, ethane and methane-ethane mixtures were studied by exposing a single gas bubble to water. morphologies, lateral rates thicknesses the hydrate films measured for various compositions degrees subcooling. A variety textures was revealed. two-dimensional inferred from rate initial thickness film. clear relationship between morphology observed. shape crystals found favour heat or mass transfer further quantitative results on showed that given degree subcooling, double larger than pure methane hydrate, whereas thickest lowest occurred when mole fraction approximately 0.6.