Separation and purification of xenon

Details Separation and purification of xenon Separation and purification of xenon

1970-02-18

1978-03-14

Lechert, Jr., Stephen J.

Gas separation

Means within gas stream for conducting concentrate to collector

55 66, 176 37, 423262, B01D 1900

Patent

active

040789071

ABSTRACT:
Xenon is separated from a mixture of xenon and krypton by extractive distillation using carbon tetrafluoride as the partitioning agent. Krypton is flushed out of the distillation column with CF.sub.4 in the gaseous overhead stream while purified xenon is recovered from the liquid bottoms. The distillation is conducted at about atmospheric pressure or at subatmospheric pressure.

REFERENCES:
patent: 2284662 (1942-06-01), Kahle
patent: 3063217 (1962-11-01), Armond et al.

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