Refrigeration – Processes – Circulating external gas
Patent
1990-06-01
1991-06-25
Capossela, Ronald C.
Refrigeration
Processes
Circulating external gas
62 28, 62 42, F25J 302
Patent
active
050264087
ABSTRACT:
A cryogenic nitrogen rejection unit with improved methane recovery wherein higher quality nitrogen reflux is generated by successive vapor partial condensations and the nitrogen is introduced into a separation column preferably in a cascade fashion.
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Maloney James J.
Saunders John B.
Capossela Ronald C.
Ktorides Stanley
Union Carbide Industrial Gases Technology Corporation
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