Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Patent
1996-08-19
1998-10-13
Kilner, Christopher B.
Refrigeration
Cryogenic treatment of gas or gas mixture
Separation of gas mixture
62928, 62929, F25J 300
Patent
active
058195556
ABSTRACT:
A process with few parts is provided to remove carbon dioxide from a feed stream. The solid forming property of carbon dioxide and the low vapor phase solubility of carbon dioxide at cold temperatures form the basis for the separation process. The cooled feed stream enters a separation vessel where process means are provided to produce and separate carbon dioxide solids. Carbon dioxide is removed from the vessel as a carbon dioxide rich liquid stream. Purified cold vapor is removed from the separation vessel as a product stream.
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