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Browsing by Author "Kuhs W."

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Diffusion Model for Gas Replacement in an Isostructural CH<inf>4</inf>-CO<inf>2</inf> Hydrate System

Salamatin A.; Falenty A.; Kuhs W. (2017)

© 2017 American Chemical Society. Guest exchange in clathrates is a complex activated phenomenon of the guest-host cage interaction on the molecular-scale level. To model this process, we develop a mathematical description ...
Experimental studies on the formation of porous gas hydrates

Genov G.; Kuhs W.; Staykova D.; Goreshnik E.; Salamatin A. (2004)

Gas hydrates grown at gas-ice interfaces were examined by electron microscopy and found to have a sub-micrometer porous structure. In situ observations of the formation of porous CH4- and CO2-hydrates from deuterated ice ...
Formation of methane hydrate from polydisperse ice powders

Kuhs W.; Staykova D.; Salamatin A. (2006)

Neutron diffraction runs and gas-consumption experiments based on pressure-volume-temperature measurements are conducted to study the kinetics of methane hydrate formation from hydrogenated and deuterated ice powder samples ...
Formation of porous gas hydrates from ice powders: Diffraction experiments and multistage model

Staykova D.; Kuhs W.; Salamatin A.; Hansen T. (2003)

Gas hydrates grown at gas-ice interfaces were examined by electron microscopy and found to have a submicron porous structure. In situ observations of the formation of porous CH4- and CO2-gas hydrates from deuterated ice ...
Gas replacement in clathrate hydrates during CO2 injection - Kinetics and micro-structural mechanism

Falenty A.; Murshed M.; Salamatin A.; Kuhs W. (2013)

The replacement process in of pure sI methane clathrate powders exposed to CO2 have been quantitatively followed by means of neutron diffraction at conditions relevant to sedimentary matrixes of continental margins. The ...
Guest Migration Revealed in CO<inf>2</inf> Clathrate Hydrates

Salamatin A.; Falenty A.; Hansen T.; Kuhs W. (2015)

© 2015 American Chemical Society. The shrinking-core model of the formation of gas hydrates from ice spheres with well-defined geometry gives experimental access to the gas permeation in bulk hydrates which is relevant to ...
Kinetics of CO2 hydrate formation from water frost at low temperatures: Experimental results and theoretical model

Falenty A.; Genov G.; Hansen T.; Kuhs W.; Salamatin A. (2011)

The gas hydrate growth from frostlike powders composed of micrometer-sized ice particles does not start with hydrate shell formation, because the initial hydrate film thickness established in earlier work exceeds the ice ...
Kinetics of CO2-hydrate formation from ice powders: Data summary and modeling extended to low temperatures

Falenty A.; Salamatin A.; Kuhs W. (2013)

The shrinking-core model of the formation of gas hydrates from ice spheres with a well-defined geometry gives experimental access to the gas permeation in bulk hydrates. Here we report on results obtained for CO2 clathration ...

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Browsing by Author "Kuhs W."

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