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Preservation of carbon dioxide clathrate hydrate at temperatures below the water freezing point under atmospheric pressure / Duo Sun in Industrial & engineering chemistry research, Vol. 50 N° 24 (Décembre 2011) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 50 N° 24 (Décembre 2011) . - pp.13854–13858 Titre : Preservation of carbon dioxide clathrate hydrate at temperatures below the water freezing point under atmospheric pressure Type de document : texte imprimé Auteurs : Duo Sun, Auteur ; Yusuke Shimono, Auteur ; Satoshi Takeya, Auteur Année de publication : 2012 Article en page(s) : pp.13854–13858 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Atmospheric  pressure  Freezing  Clathrate  Carbon  dioxide Résumé : This paper reports the experimental study on the preservation of CO2 hydrate crystal samples at domestic freezer conditions for 3 weeks. These samples were characterized by initial hydrate mass fractions of 0.95 and 0.50, by particle diameters of smaller than 2.8, 2.8–4.0, and 5.6–8.0 mm and greater than 8.0 mm, and also by preservation temperatures at 258 and 253 K. The results revealed that the stability of CO2 hydrate depends on the particle size, the initial hydrate mass fractions in the samples, and the preservation temperatures. Better stability was observed for CO2 hydrate crystal samples of larger particle size and lower initial hydrate fraction and preserved at lower temperature. Visual observations of CO2 hydrate crystal samples showed that dissociation occurs on the surface of the crystal samples. These experimental results indicated the possibility of the development of novel food/drink products containing CO2 hydrate. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=25299851 [article] Preservation of carbon dioxide clathrate hydrate at temperatures below the water freezing point under atmospheric pressure [texte imprimé] / Duo Sun, Auteur ; Yusuke Shimono, Auteur ; Satoshi Takeya, Auteur . - 2012 . - pp.13854–13858. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 50 N° 24 (Décembre 2011) . - pp.13854–13858 Mots-clés : Atmospheric  pressure  Freezing  Clathrate  Carbon  dioxide Résumé : This paper reports the experimental study on the preservation of CO2 hydrate crystal samples at domestic freezer conditions for 3 weeks. These samples were characterized by initial hydrate mass fractions of 0.95 and 0.50, by particle diameters of smaller than 2.8, 2.8–4.0, and 5.6–8.0 mm and greater than 8.0 mm, and also by preservation temperatures at 258 and 253 K. The results revealed that the stability of CO2 hydrate depends on the particle size, the initial hydrate mass fractions in the samples, and the preservation temperatures. Better stability was observed for CO2 hydrate crystal samples of larger particle size and lower initial hydrate fraction and preserved at lower temperature. Visual observations of CO2 hydrate crystal samples showed that dissociation occurs on the surface of the crystal samples. These experimental results indicated the possibility of the development of novel food/drink products containing CO2 hydrate. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=25299851