Refrigeration – Liquid contacting discrete commodity
Patent
1990-03-28
1990-11-13
Capossela, Ronald C.
Refrigeration
Liquid contacting discrete commodity
62 17, 62 64, F25D 1702
Patent
active
049693387
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: 4237695 (1980-12-01), Oberpiller et al.
patent: 4249915 (1981-02-01), Sircar et al.
Kirshnamurthy Ramachandran
Maclean Donald L.
Capossela Ronald C.
Nemetz Carol A.
Pearlman Robert I.
The BOC Group Inc.
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