Process and plant for the production of a gas under pressure by

Details Process and plant for the production of a gas under pressure by Process and plant for the production of a gas under pressure by

1996-09-24

1997-11-11

Capossela, Ronald C.

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62654, 62940, F25J 300

Patent

active

056851731

ABSTRACT:
In a process for the production of gas under pressure by cryogenic distillation, the gas is produced by vaporizing (or pseudo-vaporizing) a liquid drawn off from a distillation column. In order to supply additional gas under pressure, a flow of a gas coming from an external source is at least partially liquefied, and the liquid thus formed is added to the liquid drawn off from the column before or after an optional pressurization step.

REFERENCES:
patent: 2908144 (1959-10-01), First et al.
patent: 5036672 (1991-08-01), Rottmann
patent: 5152149 (1992-10-01), Mostello et al.
patent: 5337571 (1994-08-01), Ducrocq et al.
patent: 5566556 (1996-10-01), Ekins et al.

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