Cryogenic rectification system for producing nitrogen and ultra

Details Cryogenic rectification system for producing nitrogen and ultra Cryogenic rectification system for producing nitrogen and ultra

1992-03-19

1993-03-23

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 22, F25J 302

Patent

active

051953242

ABSTRACT:
A cryogenic rectification system wherein bottoms from a single column nitrogen production system are used to produce ultra high purity oxygen in a two column purification system, and bottoms from the first purification column are employed to drive the nitrogen column top condenser to generate additional nitrogen column reflux.

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Cryogenic Processes And Equipment, Ayres, eta al. ASME, Dec. 9, 1984, pp. 155-163.

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