Chemistry: physical processes – Physical processes – Crystallization
Patent
1976-06-17
1978-02-07
Tayman, Jr., James H.
Chemistry: physical processes
Physical processes
Crystallization
23263, 23284, 232705W, 423580, 165106, 165111, B01D 5933
Patent
active
040724697
ABSTRACT:
An interconnection arrangement for a dual temperature isotope exchange process of the type having a first stage made up of a cold tower, a hot tower, a humidifier and a dehumidifier with a recycled gas stream passing in countercurrent isotope exchange relationship with a liquid stream in the said towers and a similar second stage, said first stage having heat exchange means between humidifier and dehumidifier formed of humidifier and dehumidifier recycle loops passing through a heat exchanger, the improvement comprising means for feeding a portion of the liquid passing in the dehumidifier recycle loop of the first stage to the top of the humidifier of the second stage, means for feeding the liquid passing through the humidifier of the second stage back to the dehumidifier recycle loop of the first stage, and means for passing a portion of the liquid from the first stage in heat exchange relationship with the liquid in a dehumidifier recycle loop of the second stage.
REFERENCES:
patent: 3142540 (1964-07-01), Sperock
patent: 3386502 (1968-06-01), Rostaing
patent: 3431080 (1969-03-01), Rostaing
Atomic Energy of Canada Limited
Hughes J. R.
Tayman, Jr. James H.
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