Modelling and operation of a turbidity-meter for on-line monitoring of microbial growth in fermenters

The PROIMI-2 prototype turbidity-meter for measuring cell concentrations in stirred tanks, has been designed and constructed using theories based on kinetic laws and the general principles of cell growth. Laboratory assays were carried out with batch cultures of Bacillus amyloliquefaciens, Zymomonas...

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Bibliographic Details
Published in:Process biochemistry (1991) 1995, Vol.30 (8), p.767-772
Main Authors: Castro, Guillermo R., Andribet, Eduardo P., Ducrey, Luis M., Garro, Oscar A., Siñeriz, Faustino
Format: Article
Language:English
Subjects:
Biological and medical sciences
Biotechnology
Fundamental and applied biological sciences. Psychology
Methods. Procedures. Technologies
Others
Various methods and equipments
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Summary:The PROIMI-2 prototype turbidity-meter for measuring cell concentrations in stirred tanks, has been designed and constructed using theories based on kinetic laws and the general principles of cell growth. Laboratory assays were carried out with batch cultures of Bacillus amyloliquefaciens, Zymomonas mobilis and Saccharomyces cerevisae. The signals showed a good correlation with optical density and biomass. In the latter case up to 4·0 g per dm 3 expressed as dry weight could be monitored successfully.
ISSN:1359-5113
1873-3298
DOI:10.1016/0032-9592(95)00002-X