Utilization of mass-energy balance regularities in the analysis of continuous-culture data

Material and energy balances for continuous‐culture processes are described based on the facts that the heat of reaction per electron transferred to oxygen for a wide variety of organic molecules, the number of available electrons per carbon atom in biomass, and the weight fraction carbon in biomass...

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Bibliographic Details
Published in:Biotechnology and bioengineering 1979-04, Vol.21 (4), p.575-591
Main Authors: Erickson, L. E., Minkevich, I. G., Eroshin, V. K.
Format: Article
Language:English
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Summary:Material and energy balances for continuous‐culture processes are described based on the facts that the heat of reaction per electron transferred to oxygen for a wide variety of organic molecules, the number of available electrons per carbon atom in biomass, and the weight fraction carbon in biomass are relatively constant. Energy requirements for growth and maintenance are investigated and related to the biomass energetic yield. The consistency of experimental data is examined using material and energy balances and the regularities identified above. When extracellular products are absent, the consistency of yield models containing separate terms for growth and maintenance may be investigated using organic substrate consumption, biomass production, oxygen consumption (or heat evolution), and carbon dioxide evolution rate data for a series of dilution rates. The consistency of continuous‐culture data in the published literature is examined.
ISSN:0006-3592
1097-0290
DOI:10.1002/bit.260210405