Aqueous absorbent for absorption cycle heat pump

Details Aqueous absorbent for absorption cycle heat pump Aqueous absorbent for absorption cycle heat pump

1982-09-29

1984-06-19

King, Lloyd L.

Refrigeration

Processes

Evaporation induced by sorption

252 71, F25B 1500

Patent

active

044547242

ABSTRACT:
The invention comprises solution compositions suitable for absorbing and desorbing useful quantities of water vapor at high boiling point elevations, and, hence, which are useful in conjunction with H.sub.2 O as the absorbent pair in absorption cycle heat pumps. The nonaqueous component of the solution is comprised of at least 35 mole percent LiNO.sub.3 and at least 35 mole percent alkali nitrite. The absorbent is particularly useful in high temperature absorption cycles, i.e., with maximum temperatures in the range of 130.degree. C. to 260.degree. C. or even higher.

REFERENCES:
patent: 4311024 (1982-01-01), Itoh et al.
Russian Journal of Inorganic Chemistry, (Eng. Translation), vol. 8, No. 12, Dec. 1963, pp. 1436-1441.

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