Air separation process with single distillation column with segr

Details Air separation process with single distillation column with segr Air separation process with single distillation column with segr

1986-01-10

1987-04-07

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 39, 62 42, F25J 300

Patent

active

046558098

ABSTRACT:
The present invention is directed to an air separation system for the recovery of pressurized, substantially pure oxygen gas. The system uses a single pressure distillation column and utilizes the nitrogen product stream to provide power for feed air compression, segregated heat pump fluid compression, and electric generation. The system utilizes a segregated heat pump cycle which provides heat exchange for both column reboil and reflux.

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patent: 3394555 (1968-07-01), LaFleur
patent: 3731495 (1973-05-01), Coveney
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patent: 4400188 (1983-08-01), Patel et al.
patent: 4444577 (1984-04-01), Perez
patent: 4543115 (1985-09-01), Agrawal et al.
patent: 4555256 (1985-11-01), Skolaude
patent: 4566887 (1986-01-01), Openshaw

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