A rapid and internally consistent technique has been developed to measure the volumetric oxygen transfer coefficient, k ~a , i n fermentation systems. The method consists of tracing the dissolved 0 2 concentration of the fermentation broth during a short interruption of the aeration. The O2 concentr
Dynamic measurement of the overall volumetric mass-transfer coefficient in air-sparged systems
β Scribed by C. van Leeuwen
- Publisher
- John Wiley and Sons
- Year
- 1979
- Tongue
- English
- Weight
- 265 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0006-3592
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β¦ Synopsis
Abstract
The determination of the overall volumetric massβtransfer coefficient with the dynamic measurement technique involves modeling, parameter estimation, and experimental design. The combination and extension of previous efforts lead to some suggestions for improvements.
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## Abstract A mass transfer model has been developed to describe the dialysis of solutes in continuous dialyzers. The model is based on recycle systems, and yields a new technique for the calculation of overall massβtransfer coefficients. The permeability of a Cuprophane PTβ150 membrane to NaCl sol
There are many dynamic methods for measuring the volumetric mass transfer coefficient. The "gas out-gas in" method can directly determine the volumetric m a s s transfer coefficient in a bioreactor system and provide estimates of the volumetric microbial oxygen uptake rate and the average oxygen sat