Cryogenic rectification system for producing high pressure nitro

Details Cryogenic rectification system for producing high pressure nitro Cryogenic rectification system for producing high pressure nitro

1997-03-19

1998-06-16

Capossela, Ronald C.

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62924, F25J 300

Patent

active

057653968

ABSTRACT:
A cryogenic rectification system for processing feed air wherein a defined large flow of high pressure nitrogen shelf vapor is recovered directly from the higher pressure column of a double column, pressurized oxygen liquid is vaporized to produce high pressure oxygen product against a portion of the feed air, and the resulting condensed feed air portion is split in a defined manner and fed into each of the higher and lower pressure columns of the double column.

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patent: 5365741 (1994-11-01), Roberts et al.
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