Method for introducing oxygen into a propagation zone of ferment

Details Method for introducing oxygen into a propagation zone of ferment Method for introducing oxygen into a propagation zone of ferment

1997-02-04

1998-11-17

Lankford, Jr., Leon B.

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

4352891, C12N 100, C12N 102, C12M 136

Patent

active

058375228

ABSTRACT:
A method for introducing oxygen into a propagation zone of a fermentation process is provided. A propagation zone comprising a liquid ferment and microorganisms is provided. A portion of the liquid ferment is removed from the propagation zone and a molecular oxygen source is introduced into the removed liquid ferment to form a mixture comprising an oxygenated liquid ferment and non-dissolved gases. The oxygenated liquid ferment and the non-dissolved gases are separated and the non-dissolved gases are vented. The oxygenated liquid ferment is introduced to the propagation zone to be used by the microorganisms for reproduction and growth. In an additional step, carbon dioxide gas is recovered from the propagation zone.

REFERENCES:
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patent: 4019962 (1977-04-01), Allen et al.
patent: 4169010 (1979-09-01), Marwil
patent: 4456622 (1984-06-01), Maselli et al.
patent: 4670397 (1987-06-01), Wegner et al.
patent: 4952503 (1990-08-01), Granstedt

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