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Freeze concentration of liquid droplet fallen on a plate in cold room – experiments for increasing of concentrated liquid.

[In Japanese. / En japonais.]

Author(s) : HIRATA T., KUMANO H., TSUDA S., et al.

Type of article: Article

Summary

Experiments on freeze concentration of liquid droplet fallen on horizontal plate located in a cold room have been performed. Ethylene glycol aqueous solutions of 5wt% and 10wt% have been frozen to examine freeze concentration characteristics. In order to increase concentrated liquid, two devices have been tried, which are to locate a vertical acrylic resin road at the drop area and to make large size of liquid droplet. It is shown that these devices are available to increase the concentrated liquid. It is also shown that the device of making large size of liquid droplet is more desirable than that of acrylic resin rod, because solute contaminant in ice for large size of liquid droplet is less than that of acrylic resin rod. It is found that a device to make ice having a shape of large diameter and circular cross section is preferable to increase the concentrated liquid under a condition of smaller value of distribution coefficient.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 30003424
  • Languages: Japanese
  • Source: Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers - vol. 28 - n. 4
  • Publication date: 2011

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