Compositions – Vaporization – or expansion – refrigeration or heat or energy... – With low-volatile solvent or absorbent
Patent
1996-04-01
1998-03-03
Skane, Christine
Compositions
Vaporization, or expansion, refrigeration or heat or energy...
With low-volatile solvent or absorbent
252 67, 62112, C09K 504, C09K 500
Patent
active
057230587
ABSTRACT:
Absorption heat pump system and process for heating, refrigeration, air conditioning and heat transforming, employing an aqueous buffer solution of a lithium salt therein; an aqueous buffer solution of a lithium salt perfectly neutral in pH useful as a coolant, achieving a very high C.O.P. at a temperature lift much higher than usual, without danger of crystallization, even at high generator temperature (up to 330.degree. C.) and evaporator temperature as low as minus 10.degree. C., while in most cases the absorber and condenser can be economically cooled by (ambient) air.
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Chemical Abstracts, vol. 101, No. 138244, "Heats of Dissolution of Lithium Tetrafluoroborate in Water . . . ", Vesekina et al, 1984.
Hainsworth, "Refrigerants and Absorbents", Part I, Refrigerating Engineering, vol. 48, No. 2, pp. 97-100, Aug. 1944.
Hainsworth, "Refrigerants and Absorbents", Part II, Refrigerating Engineering, pp. 201-205, Sep. 1944.
Aker et al, "An evaluation of alcohol-salt mixtures as absorption refrigeration solutions", ASHRAE Journal, May 1965, pp. 90-91.
Aker et al, "An evaluation of alcohol-salt mixtures as absorption refrigeration solutions", ASHRAE Semiannual Meeting, Jan. 1965.
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