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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la4022432
|2 doi
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|a eng
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| 100 |
1 |
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|a Webb, Eric B
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Rheological properties of methane hydrate slurries formed from AOT + water + oil microemulsions
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| 264 |
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|c 2013
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 17.03.2014
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|a Date Revised 03.09.2013
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The in situ formation and flow properties of methane hydrates formed from water-in-oil microemulsions composed of water, dodecane, and aerosol OT surfactant (AOT) were studied using a unique high pressure rheometer. AOT microemulsions have high stability (order of months), well-characterized composition, and yield reproducible results compared to hydrate studies in water-in-crude oil emulsions. Viscosity increases on the order of minutes upon hydrate formation, and then decreases on the order of hours. If significant unconverted water remained after the initial formation event, then viscosity increases for a time as methane slowly dissolves and converts additional water to hydrate. In addition to transient formation measurements, yield stresses and flow curves are measured for a set of experimental conditions. Hydrate slurry viscosity and yield stress increase with increasing water volume fraction, increasing initial pressure, decreasing temperature, and decreasing formation shear rate
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|a Journal Article
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|a Koh, Carolyn A
|e verfasserin
|4 aut
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|a Liberatore, Matthew W
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 29(2013), 35 vom: 03. Sept., Seite 10997-1004
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|x 1520-5827
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|g volume:29
|g year:2013
|g number:35
|g day:03
|g month:09
|g pages:10997-1004
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