Microorganism immobilization

Details Microorganism immobilization Microorganism immobilization

C - Chemistry, Metallurgy

12

C

195/45, 195/9, 1

C12C 11/00 (2006.01) C12M 1/40 (2006.01) C12N 11/02 (2006.01) C12N 11/08 (2006.01) C12N 11/12 (2006.01) C12P 7/06 (2006.01) C12P 17/18 (2006.01) C12P 35/06 (2006.01) C12P 37/00 (2006.01) D06M 16/00 (2006.01)

Patent

CA 1267858

ABSTRACT OF THE DISCLOSURE An improved repetitive batch fermentation process is provided herein. It includes the step of freely suspending and stirring small segments of support cloth, bearing a fixed film of live and reproductive microorganisms immobilized thereon, within a fermenter containing suitable nutrient liquor to carry out a fermentation process, whereby the microorganisms produce a fermented liquor. The support cloth bearing the fixed film of live and reproductive microorganisms immobilized thereon is separated from the fermented liquid and residual nutrient liquor in the fermenter. Fermented liquor and residual nutrient liquor are then withdrawn from the fermenter while the support cloth is retained within the fermenter. Fresh nutrient is added to the fermenter containing the support cloth bearing the fixed film of live and reproductive microorganisms immobilized thereon to carry out another the fermentation process. Steps (a), (b), (c) and (d) may be repeated for any desired number of times. This provides an improved batch fermentation process which minimizes the problems of start-up and which can be readily scaled-up and automated.

494718

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