Gas separation process

Details Gas separation process Gas separation process

1978-12-04

1983-11-29

Yudkoff, Norman

Refrigeration

Processes

Circulating external gas

62 22, F25J 306

Patent

active

044179090

ABSTRACT:
Method and apparatus for separating gases having different partial pressures at a given temperature includes introducing a multi-component gas mixture into a chamber, reducing the temperature therein to solidify and liquefy all components. At least one component remains liquid which is evaporated, thereby separating such component from the solidified components which may then be liquefied and recovered. The process is especially useful in recovering radioactive krypton and xenon from the off gas streams of nuclear processes such as nuclear fuel reprocessing.

REFERENCES:
patent: 2503939 (1950-04-01), De Baufre
patent: 2698523 (1955-01-01), Hnilicka
patent: 3109726 (1963-11-01), Karwat
patent: 3501923 (1970-03-01), Lehmer

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