Stability of the hydrate layer formed on the surface of a CO2 droplet in high-pressure and low-temperature water is studied. The criterion for stability of the hydrate layer is found to be Xcno2/> 0.098, where X~o: is the mole fraction of CO2 in the hydrate layer. Because COz molecules are not bonde
Hydrate formation on the surface of a CO2 droplet in high-pressure, low-temperature water
β Scribed by H. Teng; C.M. Kinoshita; S.M. Masutani
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 475 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0009-2509
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β¦ Synopsis
A comprehensive kinetic model of hydrate formation on the surface of a CO2 droplet in high-pressure, low-temperature water is developed. The model predicts that the hydrate layer formed is very thin and that the formation time is less than two seconds. These predictions are consistent with experimental observations. The mechanism of CO2 hydrate formation also is discussed.
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Kinetic study on the dissolution of COz from the surface of a liquid COz droplet in water was conducted, and a mechanism of the decay of C02 hydrate was proposed. The model was applied to the experimental data which showed that the radius of liquid COP droplets in water reduced linearly with time. I
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