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Effects of Micellization on Growth Kinetics of Methane Hydrate
Gaurav Bhattacharjee,
Published in American Chemical Society
2017
Volume: 56
   
Issue: 13
Pages: 3687 - 3698
Abstract
Surfactants are specific functional materials that form various types of self-assemblies and affect local water ordering alongside solution properties. Such surface active agents are used extensively in gas hydrate based applications as kinetic hydrate promoters. To understand the effect of surfactant micelles on hydrate formation kinetics, a novel surfactant system capable of producing micelles at hydrate forming temperature was developed. The presence of surfactant micelles in this new system (a combination of anionic surfactant SDS and zwitterionic surfactant CAPB) was determined through DLS measurements. Pure methane and a coal bed methane mixture were individually used to assess the efficacy of the surfactant mixture for hydrate formation. This study conclusively proves for the first time that the presence of surfactant micelles enhances hydrate formation kinetics. The findings reported here can contribute significantly toward improving the utility of surfactants in gas hydrate based technological applications such as gas separation and methane storage. (Chemical Equation Presented). © 2017 American Chemical Society.
About the journal
JournalData powered by TypesetIndustrial and Engineering Chemistry Research
PublisherData powered by TypesetAmerican Chemical Society
ISSN08885885
Open AccessNo
Concepts (20)
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    Anionic surfactants
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    COAL BED METHANE
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    Coal deposits
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    Functional materials
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    Growth kinetics
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    Hydration
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    Kinetics
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    Methane
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    Micelles
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    Mixtures
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    Surface active agents
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    Chemical equations
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    FORMING TEMPERATURE
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    Solution property
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    Surfactant micelles
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    SURFACTANT MIXTURE
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    Surfactant system
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    Technological applications
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    ZWITTERIONIC SURFACTANTS
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    Gas hydrates