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Vacuum freezing type ice slurry production using ethanol solution. 1. Measurement of vapour-liquid equilibrium data of ethanol solution at 20°C and at the freezing temperature.

Author(s) : ASAOKA T., SAITO A., OKAWA S., et al.

Type of article: Article, IJR article

Summary

In this study, an original method for the production of ice slurry from ethanol solution without using a refrigerator is proposed. This system has advantages compared with similar existing systems using materials other than ethanol solution. In this paper, the vapour-liquid equilibrium data of ethanol solution at 20°C and at the freezing temperature are measured, which is necessary to calculate the COP of this ice slurry producing system. In the experiments, two experimental methods are proposed to measure the saturated pressure and the vapour composition of ethanol solution. Each method has an advantage in their operating temperature range. As a result, the vapour-liquid equilibrium diagrams of ethanol solution at 20°C and at the freezing temperature, and approximations of saturated pressure of various concentrations of ethanol solution for varying liquid temperature, are obtained. See also this Bulletin, reference 2009-0633.

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Pages: 404-410

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Details

  • Original title: Vacuum freezing type ice slurry production using ethanol solution. 1. Measurement of vapour-liquid equilibrium data of ethanol solution at 20°C and at the freezing temperature.
  • Record ID : 2009-0634
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 32 - n. 3
  • Publication date: 2009/05

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