Advanced methods for bioreactor characterization.
Bioreactors are characterized by the transport capacities they provide to optimally supply the microorganisms during production process. The transport is performed by flows induced in their cultivation media. In order to understand the extremely complex mixing, mass and heat transfer phenomena encountered, and to perceive their influences on bioreactor performance, sophisticated measuring techniques are required. This review compiles the developments currently in progress to surmount today's shortage of reliable measuring techniques. Measuring techniques are distinguished which can be used on different scales and their application spectra are illustrated by recently obtained results. Several new measuring techniques, which can be employed to resolve the flow structures, are discussed in detail. Only those techniques are considered which can be used to advantage during real cultivations in industrial-scale reactors.
Institut für Technische Chemie, Universität Hannover, Germany.
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Lübbert
D001709:Biotechnology / Q000295:instrumentation / Q000379:methods*