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Digitale Medien

An experimental study of crystallization and crystal growth of methane hydrates from melting ice (1990)

Hwang, M. J. ; Wright, D. A. ; Kapur, A. ; [weitere]

Springer

Journal of inclusion phenomena and macrocyclic chemistry 8 (1990), S. 103-116

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Details

ISSN: 1573-1111

Schlagwort(e): Clathrates ; gas hydrates ; kinetics ; crystal growth

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract An experiment with well defined gas-water interfacial surface area was developed to study the crystallization and crystal growth of methane hydrates. Measurable formation rates were observed only when melting ice was involved. No hydrates nucleated from liquid water or from non-melting ice. It is concluded that melting ice, which like hydrate water is hydrogen-bonded, provides a template for hydrate nucleation as well as providing a heat sink for absorbing the heat of formation during hydrate growth. The experiment was conducted in the absence of mixing so that hydrate crystals grew under quiescent conditions.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01131291

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