Process to produce an oxygen-free krypton-xenon concentrate

Details Process to produce an oxygen-free krypton-xenon concentrate Process to produce an oxygen-free krypton-xenon concentrate

1984-08-16

1987-03-03

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

55 66, 62 28, 62 31, 62 34, 423262, F25J 304

Patent

active

046472991

ABSTRACT:
A method to concentrate krypton and xenon in a substantially oxygen-free liquid employing a two-section exchange column, the top section of which is refluxed by a substantially rare gas-free liquid.

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patent: 3751934 (1973-08-01), Frischbier
patent: 3768270 (1973-10-01), Shuftan
patent: 3779028 (1973-12-01), Shuftan et al.
patent: 4384876 (1983-05-01), Mori et al.
patent: 4401448 (1983-08-01), LaClair
patent: 4421536 (1983-12-01), Mori et al.

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