Process and apparatus for carrying out a fermentation operation

Details Process and apparatus for carrying out a fermentation operation Process and apparatus for carrying out a fermentation operation

1977-05-16

1979-05-29

Jones, Raymond N.

Textiles: fiber preparation

195116, 210 75, 210 76, C12B 100, C12K 110

Patent

active

041566300

ABSTRACT:
In a fermentation employing microorganisms or enzymes the nutrient medium is mixed in the fermenter with a filter aid and the inoculum. After completion of the fermentation the fermentation broth is passed into a filter where it is directed through filtration elements whereby a filter cake is caused to deposit on the filtration means, which filter cake is composed of or includes the filter aid and all or a substantial part of the microorganisms or enzymes. The fermentation filtrate is then discharged while the passage of fermentation broth from the fermentor to the cake filter is suspended. A centrifugal motion is then imposed on the filter elements whereby the filter cake is loosened from the filter elements followed by recycling of the detached filter cake into the fermentor for reuse of the microorganisms or enzymes after resuming the fermentation.

REFERENCES:
patent: 2967107 (1961-01-01), Geiger et al.
patent: 3969190 (1976-07-01), Hise et al.

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