Peltier freeze concentration process
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United States of America Patent
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May 11, 1982
Grant Date -
N/A
app pub date -
Sep 23, 1980
filing date -
Sep 23, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The treatment of dilute solutions and freeze concentrations thereof by means of steam jet refrigeration pre-cooling of a feed solution sprayed into an absorber-freezer means in which heat is absorbed from the jet refrigeration and from which ice slurry is charged into a melter-worker means discharging product melt and concentrated by-product, and super-cooled by vapor compression refrigeration wherein the refrigerant is simultaneously condensed and chilled by the steam jet refrigeration for pre-cooling the feed solution, steam power therefor being supplied by the Peltier effect in a diffusion still separating water and concentrated refrigerant.
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