Column configuration and method for argon production

Details Column configuration and method for argon production Column configuration and method for argon production

1997-07-18

1999-01-12

Capossela, Ronald

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62906, 62924, F25J 100

Patent

active

058573577

ABSTRACT:
A system for achieving a low level of nitrogen in a lower pressure column in the feed to the argon column in a cryogenic air separation system by use of two beds of structured packing of about equal height in the lower pressure column, with mixing and redistribution of liquid between them. The packed beds are located between the feed from the argon column top condenser and the point where the argon column feed is withdrawn.

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patent: 4836836 (1989-06-01), Bennett et al.
patent: 5133790 (1992-07-01), Bianchi et al.
patent: 5237823 (1993-08-01), Cheung et al.

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