Apparatus and method for separation of helium and neon

Details Apparatus and method for separation of helium and neon Apparatus and method for separation of helium and neon

1995-07-24

1997-05-06

Capossela, Ronald C.

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62639, 62923, F25J 500

Patent

active

056260350

ABSTRACT:
An apparatus and method for the cryogenic purification of gaseous mixtures is provided. The apparatus comprises a heat-insulated hermetically sealed vessel which contains liquid hydrogen. Immersed within the liquid hydrogen are a number of serially connected cartridges which contain chips of a thermally conductive mixture. A mixture of neon and helium is input into the apparatus. The neon freezes, while the helium passes through the apparatus in a gaseous state. The resulting neon is allowed to thaw into a liquid or gaseous form and is highly pure.

REFERENCES:
patent: 3609984 (1971-10-01), Garwin
patent: 3854913 (1974-12-01), Leyarovski et al.
patent: 3854914 (1974-12-01), Leyarovski et al.
patent: 4755201 (1988-07-01), Eschwey et al.
patent: 5100446 (1992-03-01), Wisz

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