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Conclusions The gas solubility of the CH4+ CO2 mixture in pure water, and electrolyte solutions containing NaCl and Na2SO4 was measured in the temperature range of 280–292 K. Within the experimental accuracy, the experimentally measured gas solubility obeys the Henry’s law in the form of the Krichevsky-Kasarnovsky equation near (but above) hydrate formation temperature. The ternary solubility...
Conclusions A simple universal model of formation of clathrate crystal nuclei in solution is suggested. The model is applicable equally to all clathrate materials: gas hydrates, cage zeolites (clathrasils) and clathrate compounds of semiconductor elements. The basic feature of the model is joining of polyhedral cage precursors, formed around guest molecules, by means of direct, or intermediated by...
Conclusions We have presented a summary of measurements on the physical properties of sediments relevant to methane hydrate recovery. The data includes not only geotechnical determinations, but also the CMT data that gives porosity values and pathways through the sediment material. The results show that CMT techniques can be used to study sediment properties on a micrometer-size scale. Since the technique...
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