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Cryoconcentration of volatile compounds in water: a study on a model aqueous solution.

Cryoconcentration de composés volatils dans l'eau : étude sur une solution modèle.

Author(s) : LANGLOIS D., MALTERRE M., ETIEVANT P.

Type of article: Article

Summary

The experiment aimed to determine the best conditions to cryoconcentrate, on the laboratory scale, an aqueous model solution simulating a distillate. Three final levels of ice (0.5, 0.7, and 0.9 of the initial weight of the solution), and three different programs for temperature of freezing (a constant temperature of -2.6 deg C, temperature decreasing at a rate of -1 or -5 deg C/h) were tested. At a final level of crystallized water equal to 0.9 of the initial weight of the water, the recovery of all volatile compounds experimental was higher than 75%, corresponding to a final concentration factor of 8.

Details

  • Original title: Cryoconcentration de composés volatils dans l'eau : étude sur une solution modèle.
  • Record ID : 1997-3333
  • Languages: French
  • Source: Sci. Aliments - vol. 17 - n. 1
  • Publication date: 1997
  • Document available for consultation in the library of the IIR headquarters only.

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