EFFECT OF MICROBIAL ADSORPTION AT THE GAS/LIQUID INTERFACE ON OXYGEN ENHANCEMENT FACTORS |
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| Authors: | Dorothy Lozowski Jim Langa Graham F Andrews Pieter Stroeve |
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| Affiliation: |
a Department of Chemical Engineering, State University of New York at Buffalo, Amherst, New York
b Department of Biophysical Sciences, State University of New York at Buffalo, Buffalo, New York |
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| Abstract: | The adsorption of micro-organisms at the gas/liquid interface causes both an increase in the oxygen respiration rate and a decrease in the oxygen diffusion coefficient near the interface. An increase in the oxygen consumption rate increases the oxygen mass transfer rate into the bacterial broth but a decreased oxygen diffusion coefficient reduces the mass transfer rate. These two factors must be taken into account when enhancement factors are calculated. |
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