Some of the key technical problems inherent in the design of equipment for the absorption, freezing, vapor-compression process for the production of pure water from salt water were investigated in laboratory studies. These included the comparison of various solvents for water vapor in the freezer-absorber unit, the determination of water mass transfer rates into concentrated salt solution in the refrigerated absorber, and the measurement of mass transfer coefficients for the absorption of water into a solvent stream that flows over horizontal tubes. The results showed that changes of the solvent can have only a small effect on the power required, that the resistance to heat transfer in the absorber has a greater effect than the resistance to mass transfer. Accumulation of air in the absorber vapor can be important.


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    Titel :

    Mass transfer and thermodynamic studies of evaporative freezing of water


    Weitere Titelangaben:

    Untersuchung von Massenuebergang und Thermodynamik bei der Verdampfungskuehlung von Wasser


    Beteiligte:
    Pigford, R.L. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1983


    Format / Umfang :

    37 Seiten


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch




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