Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Patent
1997-01-21
1998-04-14
Capossela, Ronald C.
Refrigeration
Cryogenic treatment of gas or gas mixture
Separation of gas mixture
62 502, 62908, 95106, 96126, F25J 100
Patent
active
057379416
ABSTRACT:
Method and apparatus for removing trace levels of impurities from gases stored cryogenically in a storage vessel in liquid form by passing a vaporized portion of liquified gas from the storage vessel through a bed of adsorbent while using the liquified gas to cool the adsorbent. Vaporized gas resulting from cooling of the adsorbent with the stored liquified gas can be combined with the vapor withdrawn from the storage vessel prior to being passed through the bed of adsorbent. Liquified gas can be withdrawn from the storage vessel, vaporized and the vaporized gas combined with the vaporized gas from the storage vessel prior to being passed through the bed of adsorbent.
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Hsiung Thomas Hsiao-Ling
Machado Jose Rui Souto
Schwarz Alexander
Air Products and Chemicals Inc.
Capossela Ronald C.
Chase Geoffrey L.
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