Dual temperature deuterium extraction process

Details Dual temperature deuterium extraction process Dual temperature deuterium extraction process

1974-12-18

1977-04-05

Thomas, Earl C.

Chemistry: physical processes

Physical processes

Crystallization

423580, 423563, C01D 1100, C01B 502

Patent

active

040159442

ABSTRACT:
A dual temperature isotope exchange process of the type having a first stage comprising a hot and a cold tower with liquid and gas passing in countercurrent exchange relation therein, the gas being recycled from the top of the cold tower to the bottom of the hot tower via a humidifier section through which a liquid stream also passes, a dehumidifier between hot and cold towers through which both gas and liquid streams pass, the improvement comprising the feeding of the inlet feed liquid at a raised temperature to the top of the humidifier section that is, to a point between the liquid outlet of the hot tower and the liquid input to the humidifier and the recycling of a portion of the liquid leaving the hot tower to the top of the cold tower preferably via a cooling device.

REFERENCES:
patent: 2895803 (1959-07-01), Spevack
patent: 3860698 (1975-01-01), Spevack

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