Method and apparatus of producing carbon dioxide in high yields

Details Method and apparatus of producing carbon dioxide in high yields Method and apparatus of producing carbon dioxide in high yields

1989-08-21

1990-08-28

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 24, 62 28, F25J 300

Patent

active

049522230

ABSTRACT:
A process for producing substantially pure liquid carbon dioxide from a carbon dioxide feed containing about 35 to about 98% by volume of carbon dioxide wherein a waste stream containing carbon dioxide is separated from contaminants in a pressure swing adsorption apparatus and then recycled to the carbon dioxide feed, and a system for recovering spent carbon dioxide from a refrigeration system using liquid carbon dioxide as a freezing agent.

REFERENCES:
patent: 4595404 (1986-07-01), Ozero et al.
patent: 4687498 (1987-08-01), MacLean et al.
patent: 4759786 (1988-07-01), Atkinson et al.
patent: 4761167 (1988-08-01), Nicholas et al.

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