Specific features of the growth, composition, and content of natural gas hydrates synthesized in inverted oil emulsions

A study of specific features of the growth, composition, and content of natural gas hydrates formed in a water-in-oil emulsion demonstrated that the process in which hydrates are formed in a water-oil emulsion occurs in stages and depends on the saturation of hydrate growth zones with the hydrate-fo...

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Published inRussian journal of applied chemistry Vol. 90; no. 8; pp. 1258 - 1263
Main Authors Koryakina, V. V., Ivanova, I. K., Semenov, M. E., Rozhin, I. I., Fedorova, A. F., Shits, E. Yu
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.08.2017
Springer Nature B.V
Subjects
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Distilled water
Emulsions
Gas hydrates
Industrial Chemistry/Chemical Engineering
Natural gas
Various Technological Processes
Water drops
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Summary:A study of specific features of the growth, composition, and content of natural gas hydrates formed in a water-in-oil emulsion demonstrated that the process in which hydrates are formed in a water-oil emulsion occurs in stages and depends on the saturation of hydrate growth zones with the hydrate-forming gas via diffusion of natural-gas components across the oil phase. Hydrates enriched in methane are formed in water-oil emulsions, compared with the hydrates grown from distilled water, which is accounted for by the difference in solubility between natural-gas components in oil and water, and also by the presence of a surfactant layer on the surface of emulsified water drops. With increasing fraction of water in an emulsion, the content of hydrates decreases, and the mass of a hydrate being formed is independent of the composition of the water-oil emulsion.
ISSN:1070-4272
1608-3296
DOI:10.1134/S1070427217080110