Purification of carbon dioxide for use in brewing

Details Purification of carbon dioxide for use in brewing Purification of carbon dioxide for use in brewing

1986-03-05

1987-10-13

Makay, Albert J.

Refrigeration

Processes

Fractionally solidifying a constituent and separating the same

62 17, 62 40, 62 41, 99277, F25J 100

Patent

active

046996427

ABSTRACT:
A process is disclosed for producing substantially pure liquid carbon dioxide, and subsequently re-evaporating the substantially pure liquid carbon dioxide to produce substantially pure gaseous carbon dioxide from impure carbon dioxide gas which is produced during the fermentation step of a brewing process or has been used as an overgas in a brewing plant, the substantially pure gaseous carbon dioxide being for use in carbonating the brewed product or as an overgas in the brewing plant. The process comprises the steps of:

REFERENCES:
patent: 3240025 (1966-03-01), Malick et al.
patent: 3448587 (1969-06-01), Goard et al.
patent: 4112829 (1976-09-01), Painsard et al.

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