Control of aerobic fermentation processes

Details Control of aerobic fermentation processes Control of aerobic fermentation processes

1975-03-21

1976-10-19

Naff, David M.

Textiles: fiber preparation

1951035R, 195113, 195139, 210 3, 210 15, 426 56, C12B 100, C12K 104

Patent

active

039869326

ABSTRACT:
Aerobic fermentation processes which involve mixing an aqueous microbial food medium with a microbial culture are controlled by continuously withdrawing a sample of the microorganism culture and a sample of a mixture of the aqueous food medium and the microorganism culture, directly and continuously measuring a respiration rate of both samples and proportionating the amount of the microorganism culture admixed with the food medium in response to the respiration rate measured to maintain a ratio of the biochemical oxygen demand of the food medium to that of the microorganism culture at a preselected constant value. This control process is preferably used when decomposing wastes such as sewage by aerobic microbial fermentation.

REFERENCES:
patent: 3684702 (1972-08-01), Hartmann
patent: 3813325 (1974-05-01), Merrell et al.
patent: 3845376 (1974-10-01), Brushwyler et al.

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