Refrigeration – Processes – Circulating external gas
Patent
1992-02-13
1993-10-26
Capossela, Ronald C.
Refrigeration
Processes
Circulating external gas
62 24, 62 40, F25J 304
Patent
active
052555224
ABSTRACT:
The present invention relates to an improvement for the production of argon from cyrogenic air separation processes. In particular, the improvement comprises satisfying a portion of the crude argon column condensing duty with refrigeration provided from the vaporization of a portion of the liquid oxygen from the bottom of the low pressure column.
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R. E. Latimer, Distillation of Air, Feb. 1967, pp. 35-59.
Agrawal Rakesh
Yee Terrence F.
Air Products and Chemicals Inc.
Capossela Ronald C.
Marsh William F.
Simmons James C.
Wolff Robert J.
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