ShareSummary
CO2 hydrates are obtained by the combination of water and CO2 (gas) under suitable temperature and pressure conditions. CO2 hydrate slurry is one of the recently developed secondary refrigerants in order to phase out CFCs and HCFCs. CO2 hydrate slurry is suitable for cooling applications, because its melting point is adjustable by changing the production conditions and can be applied to the positive temperature range (2 to 7°C), which are temperatures required in air-conditioning systems. Pure CO2 hydrate has a dissociation enthalpy of 500 kJ/kg of water and is 1.5 times higher than that of ice crystal formation. CO2 hydrate slurry also displays excellent pumpability due to its low viscosity even at very high energy density. This paper reports a study carried out to characterise this type of phase change coolant.
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Format PDF
Pages: 6 p. (E), 8 p. (I)
Available
Public price
20 €
Member price*
15 €
* Best rate depending on membership category (see the detailed benefits of individual and corporate memberships).
Details
- Original title: CO2 idrato slurry./ CO2 hydrate slurry.
- Record ID : 2010-0120
- Languages: English
- Source: Latest technologies in refrigeration and air conditioning: energy issues and climate change, new refrigerants, new European regulations, new plants, the cold chain. XIII European Conference: June 12-13, 2009, Milan.
- Publication date: 2009/06/12
Links
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Indexing
- Themes: Indirect refrigeration systems
- Keywords: Thermal property; Ice slurry; Comparison; Physical property; Hydrate; Secondary refrigerant; CO2
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Paraffin phase change slurries.
- Author(s) : GSCHWANDER S., SCHOSSIG P.
- Date : 2006/09/13
- Languages : English
- Source: 7th Conference on Phase-Change Materials and Slurries
- Formats : PDF
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Properties and other aspects of aqueous solutio...
- Author(s) : MELINDER Å.
- Date : 2009/06/03
- Languages : English
- Source: 8th Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning
- Formats : PDF
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The current trends in research and development ...
- Author(s) : INABA H.
- Date : 2003/04/23
- Languages : English
- Source: PCM 2003. Proceedings of the phase change material and slurry scientific conference and business forum.
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Characterization of CO2 hydrate formation.
- Author(s) : JERBI S., DELAHAYE A., FOURNAISON L., et al.
- Date : 2009/06/03
- Languages : English
- Source: 8th Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning
- Formats : PDF
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THF-CO2 hydrates applied to refrigeration proce...
- Author(s) : MARTINEZ M. C., MARINHAS S., DELAHAYE A., et al.
- Date : 2006/09/13
- Languages : English
- Source: 7th Conference on Phase-Change Materials and Slurries
- Formats : PDF
View record