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Kinetic inhibitor of hydrate crystallization
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UNSPECIFIED (2004) Kinetic inhibitor of hydrate crystallization. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 126 (5). pp. 1569-1576. doi:10.1021/ja035243g ISSN 0002-7863.
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Official URL: http://dx.doi.org/10.1021/ja035243g
Abstract
We present the results of a combined theoretical/experimental study into a new class of kinetic inhibitor of gas hydrate formation. The inhibitors are based on quaternary ammonium zwitterions, and were identified from a computational screen. Molecular dynamics simulations were used to characterize the effect of the inhibitor on the interface between a type II hydrate and natural gas. These simulations show that the inhibitor is bifunctional, with the hydrophobic end being compatible with the water structure present at the hydrate interface, while the negatively charged functional group promotes a long ranged water structure that is inconsistent with the hydrate phase; the sulfonate-induced structure was found to propagate strongly over several solvation shells. The compound was subsequently synthesized and used in an experimental study of both THF and ethane hydrate formation, and was shown to have an activity that was comparable with an existing commercial kinetic inhibitor: PVP.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Journal or Publication Title: | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | ||||
Publisher: | AMER CHEMICAL SOC | ||||
ISSN: | 0002-7863 | ||||
Official Date: | 11 February 2004 | ||||
Dates: |
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Volume: | 126 | ||||
Number: | 5 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 1569-1576 | ||||
DOI: | 10.1021/ja035243g | ||||
Publication Status: | Published |
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