Dynamic measurement of the volumetric oxygen transfer coefficient in fermentation systems | Zendy

Bandyopadhyay B. | Zendy; Humphrey A. E. | Zendy; Taguchi H. | Zendy

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Dynamic measurement of the volumetric oxygen transfer coefficient in fermentation systems

Author(s) -

Bandyopadhyay B.,

Humphrey A. E.,

Taguchi H.

Publication year - 1967

Publication title -

biotechnology and bioengineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.136

H-Index - 189

eISSN - 1097-0290

pISSN - 0006-3592

DOI - 10.1002/bit.260090408

Subject(s) - aeration , fermentation , oxygen , tracing , chemistry , mass transfer coefficient , analytical chemistry (journal) , chromatography , mass transfer , biochemistry , organic chemistry , computer science , operating system

A rapid and internally consistent technique has been developed to measure the volumetric oxygen transfer coefficient, k L a , in fermentation systems. The method consists of tracing the dissolved O 2 concentration of the fermentation broth during a short interruption of the aeration. The O 2 concentration trace thus obtained can be analyzed to determine the values of k L a . Additional experiments on prolonged O 2 starvation, carried out to find the limitation of the technique, suggest that O 2 uptake rate will vary if a prolonged (2–10 min.) O 2 starvation occurs.

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