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| Content Provider | Springer Nature Link |
|---|---|
| Author | Takeso, Satoshi Odera, Masayuki Toda, Kiyoshi Yoshida, Masari Yamagiwa, Kazuaki Ohkawa, Akira |
| Copyright Year | 2005 |
| Abstract | This study examined a stirred-tank fermenter (STF) containing low-viscosity foaming liquids with an agitation impeller and foam-breaking impeller mounted on the same shaft. Results showed that the performance of the foam-breaking impeller can be improved by changing a conventional six-blade turbine impeller into a rod impeller as the agitation impeller. The volumetric oxygen-transfer coefficient, k L a, in the mechanical foam-control method (MFM) using a six-blade vaned disk as the foam-breaking impeller in the STF with the rod impeller was approximately five times greater than that of the chemical foam-control method (CFM) adding an anti-foaming agent in the STF with the six-blade turbine impeller. Application of the present method to the cultivation of Saccharomyces cerevisiae K-7 demonstrated that the cultivation time up to the maximum cell concentration was remarkably shorter than that achieved using a conventional CFM. |
| Starting Page | 235 |
| Ending Page | 242 |
| Page Count | 8 |
| File Format | |
| ISSN | 16157591 |
| Journal | Bioprocess Engineering |
| Volume Number | 28 |
| Issue Number | 4 |
| e-ISSN | 16157605 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2005-10-06 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Foam-breaking performance Oxygen-transfer performance Rod impeller Stirred-tank fermenter |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Bioengineering Biotechnology |
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