IIR document
Study on the growth process of HCFC141b hydrate in isobaric system by a macroscopic kinetic model.
Author(s) : KARAMODDIN M., VARAMINIAN F.
Type of article: Article, IJR article
Summary
In this work, the kinetics of HCFC141b hydrate formation was studied experimentally; and a kinetic model based on chemical affinity was described to predict the hydrate growth process in the stirred batch reactor at a constant volume. The experiments were conducted with both pure water and brine solution of NaCl to study the water desalination by hydrate formation. The effect of salt inhibition on formation kinetics was investigated in saline concentrations of 0%, 1% and 4% weight of NaCl. Based on the experimental results, the formation rate is further at lower initial temperatures and lower concentrations of salt due to more driving force. The parameters of macroscopic model, Ar and tK, were optimized for each experiment, subsequently the kinetic curves of HCFC141b hydrate were predicted by chemical affinity model under isobaric conditions. The acceptable agreement was generally found between the experimental and predicted data with correlation coefficient more than 0.9.
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Details
- Original title: Study on the growth process of HCFC141b hydrate in isobaric system by a macroscopic kinetic model.
- Record ID : 30011724
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 44
- Publication date: 2014/08
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Indexing
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Themes:
Thermodynamic measurements;
HCFCs - Keywords: Gas; R141b; Thermodynamic property; Microscopy; Hydrate; Growth
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