Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Patent
1997-11-28
1999-06-22
Kilner, Christopher B.
Refrigeration
Cryogenic treatment of gas or gas mixture
Separation of gas mixture
62908, 95121, F25J 300
Patent
active
059138939
ABSTRACT:
Process and apparatus for the purification of a cryogenic fluid in liquid, diphase, gaseous or supercritical state, having boiling point Pe, with at least one of its impurities having a boiling point Pe', with Pe'>Pe. The process includes at least one step selected from the group comprised by:
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I.I. Abrikosova et al., "The purity of liquid helium", pp. 137-138, Cryogenics, vol. 11, No. 2, Apr. 1971.
Castellanet Frederic
Fraysse Philippe
Gary Daniel
Lardeau Rene
Kilner Christopher B.
L'Air Liquide Societe Anonyme pour l'Etude et, l'Exploitation de
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