Production and installation for the production of gaseous nitrog

Details Production and installation for the production of gaseous nitrog Production and installation for the production of gaseous nitrog

1993-06-22

1994-08-02

Bennet, Henry A.

Refrigeration

Processes

Circulating external gas

62 18, 62 21, 62 33, 62 37, 62 40, 62 44, F25J 300, F25J 302

Patent

active

053334639

ABSTRACT:
A column for production of nitrogen by the distillation of air, adapted to produce high purity nitrogen at its head, is associated with an external source of medium purity liquid nitrogen that is fitted with a device for the liquid phase adsorption of carbon monoxide, and with a reservoir for the storage of high purity liquid nitrogen. The column produces medium purity gaseous nitrogen and high purity gaseous nitrogen by direct withdrawals, optionally supplemented by vaporization of liquid nitrogen.

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