Air separation

Details Air separation Air separation

1989-08-30

1990-10-16

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

60 3933, 62 40, F25J 302

Patent

active

049626469

ABSTRACT:
A method and apparatus for cryogenic air separation wherein both fuel gas and electrical power are produced. Respective operating pressures of the lower and higher pressure rectification columns can be set independently of one another, allowing flexibility in selecting the purity of the oxygen product.

REFERENCES:
patent: 3394555 (1968-07-01), LaFleur
patent: 4072023 (1978-02-01), Springmann
patent: 4092662 (1980-03-01), Ogata et al.
patent: 4704147 (1987-11-01), Kleinberg

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