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Influence of porous media on carbon dioxide hydrate formation and dissociation processes by calorimetry for secondary refrigeration applications.

Number: 0263

Author(s) : CLAIN P., BENMESBAH F. D., FANDINO O., OSSWALD V., FOURNAISON L., DICHARRY C., RUFFINE L., DELAHAYE A.

Summary

Understanding the formation and dissociation mechanisms of gas hydrate in porous media is important for the development of new technologies related to cold storage as they provide significant latent heat and energy density at suitable phase change temperature. In this work, we investigated CO2 hydrate formation and dissociation in two different porous materials: sand and silica gels. A calorimetric approach is applied to study both the CO2 hydrate formation kinetics, particularly the induction time, and the amount of hydrate formed in both porous materials. The present work is focused on assessing the effect of key factors like water saturation, particle size and the morphology of porous media on CO2 hydrate formation and dissociation processes. Interestingly, the results obtained with mesoporous silica gel showed a higher amount of hydrate formed compared to those with sand for similar initial pressure, temperature and water content conditions.

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Pages: 11 p.

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Details

  • Original title: Influence of porous media on carbon dioxide hydrate formation and dissociation processes by calorimetry for secondary refrigeration applications.
  • Record ID : 30031592
  • Languages: English
  • Subject: Technology
  • Source: Proceedings of the 26th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
  • Publication date: 2023/08/21
  • DOI: http://dx.doi.org/10.18462/iir.icr.2023.0263

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