Refrigeration – Processes – Circulating external gas
Patent
1990-05-09
1991-04-09
Capossela, Ronald C.
Refrigeration
Processes
Circulating external gas
62 482, 62 93, F25J 300
Patent
active
050061380
ABSTRACT:
A vapor recovery system is disclosed wherein the condensable organic compounds e.g., hydrocarbons or chemicals contained in hydrated air mixture are removed by first dehydrating the vapors by refrigeration then desiccation followed by indirect heat exchange with a refrigerant gas at cryogenic temperatures in a chiller. The clean vapors from the system may be used to pre-cool the air mixture prior to contact in the chiller. Additionally, the clean, dry vapors may be used to regenerate the desiccant within the dehydrator. The rehydrated clean vapors may be dehydrated by returning them to the feed to the system.
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Capossela Ronald C.
Johnson Kenneth H.
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