Method and apparatus for cooling an aqueous liquid
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United States of America Patent
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Nov 14, 2000
Grant Date -
N/A
app pub date -
Jul 7, 1999
filing date -
Jul 13, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of cooling an aqueous liquid, which method comprises the steps of: a) placing said aqueous liquid in a vessel; b) reducing the pressure in said vessel to cause said aqueous liquid to boil; c) condensing at least some of the liquid in the vapour created as said aqueous liquid boils by heat exchange with a liquid cryogen; and d) using vapour from said liquid cryogen to at least assist in step (b).
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