Natural gas hydrates with locally different cage occupancies and hydration numbers in Lake Baikal
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概要
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Knowledge of cage occupancies and hydration numbers (n) of naturally occurring gas hydrate in a localenvironment is important for the improvement in global estimates of hydrate-bound natural gas. We reporton local differences in cage occupancies and hydration number of gas hydrates from Lake Baikal. Naturalgas hydrates of both structures I and II (sI and sII) and ranging in composition from pure CH4 to mixed gashydrate containing up to 15% C2H6 are compared. The average hydration numbers are n = 6.1 for the sICH4 hydrates recovered from the Malenky and Bolshoy mud volcanoes, n = 6.2 for the sI hydrates,containing 3–4% C2H6 recovered from the K-2 mud volcano, and n = 6.9 for the sII hydrate containingabout 15% C2H6 recovered from the K-2 mud volcano. The differences in hydration number are due to thedifferences in the small cage occupancy of CH4 among the samples studied.
- American Geophysical Unionの論文
American Geophysical Union | 論文
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