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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la403489q
|2 doi
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|a eng
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1 |
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|a Aman, Zachary M
|e verfasserin
|4 aut
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|a Adhesion force between cyclopentane hydrate and mineral surfaces
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|c 2013
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|a Text
|b txt
|2 rdacontent
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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 15.04.2015
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|a Date Revised 17.12.2013
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Clathrate hydrate adhesion forces play a critical role in describing aggregation and deposition behavior in conventional energy production and transportation. This manuscript uses a unique micromechanical force apparatus to measure the adhesion force between cyclopentane hydrate and heterogeneous quartz and calcite substrates. The latter substrates represent models for coproduced sand and scale often present during conventional energy production and transportation. Micromechanical adhesion force data indicate that clathrate hydrate adhesive forces are 5-10× larger for calcite and quartz minerals than stainless steel. Adhesive forces further increased by 3-15× when increasing surface contact time from 10 to 30 s. In some cases, liquid water from within the hydrate shell contacted the mineral surface and rapidly converted to clathrate hydrate. Further measurements on mineral surfaces with physical control of surface roughness showed a nonlinear dependence of water wetting angle on surface roughness. Existing adhesive force theory correctly predicted the dependence of clathrate hydrate adhesive force on calcite wettability, but did not accurately capture the dependence on quartz wettability. This comparison suggests that the substrate surface may not be inert, and may contribute positively to the strength of the capillary bridge formed between hydrate particles and solid surfaces
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|a Journal Article
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|a Leith, William J
|e verfasserin
|4 aut
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1 |
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|a Grasso, Giovanny A
|e verfasserin
|4 aut
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| 700 |
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|a Sloan, E Dendy
|e verfasserin
|4 aut
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| 700 |
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|a Sum, Amadeu K
|e verfasserin
|4 aut
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|a Koh, Carolyn A
|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 1985
|g 29(2013), 50 vom: 17. Dez., Seite 15551-7
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|g volume:29
|g year:2013
|g number:50
|g day:17
|g month:12
|g pages:15551-7
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|u http://dx.doi.org/10.1021/la403489q
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