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  1. Home
  2. Indian Institute of Technology Madras
  3. Publication6
  4. Effects of Micellization on Growth Kinetics of Methane Hydrate
 
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Effects of Micellization on Growth Kinetics of Methane Hydrate

Date Issued
05-04-2017
Author(s)
Bhattacharjee, Gaurav
Kushwaha, Omkar Singh
Kumar, Asheesh
Khan, Muzammil Yusuf
Patel, Jay Narayan
Rajnish Kumar 
Indian Institute of Technology, Madras
DOI
10.1021/acs.iecr.7b00328
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).
Volume
56
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