Cryogenic air separation plant with reduced liquid drain loss

Details Cryogenic air separation plant with reduced liquid drain loss Cryogenic air separation plant with reduced liquid drain loss

2007-10-23

2007-10-23

Doerrler, William C (Department: 3744)

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

C062S653000, C062S924000, C062S643000

Reexamination Certificate

active

10932285

ABSTRACT:
A cryogenic air separation plant and method of operation wherein, after an interruption in operation, liquid from the sump of a lower pressure column and liquid from the sump of a higher pressure column is passed to a condenser, preferably an argon column top condenser, prior to the restarting of the plant.

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