Bioreactor performance: a more scientific approach for practice
Identifieur interne : 001B59 ( Main/Exploration ); précédent : 001B58; suivant : 001B60Bioreactor performance: a more scientific approach for practice
Auteurs : Andreas Lübbert [Allemagne] ; Sten Bay J Rgensen [Danemark]Source :
- Journal of Biotechnology [ 0168-1656 ] ; 2000.
English descriptors
Abstract
In practice, the performance of a biochemical conversion process, i.e. the bioreactor performance, is essentially determined by the benefit/cost ratio. The benefit is generally defined in terms of the amount of the desired product produced and its market price. Cost reduction is the major objective in biochemical engineering. There are two essential engineering approaches to minimizing the cost of creating a particular product in an existing plant. One is to find a control path or operational procedure that optimally uses the dynamics of the process and copes with the many constraints restricting production. The other is to remove or lower the constraints by constructive improvements of the equipment and/or the microorganisms. This paper focuses on the first approach, dealing with optimization of the operational procedure and the measures by which one can ensure that the process adheres to the predetermined path. In practice, feedforward control is the predominant control mode applied. However, as it is frequently inadequate for optimal performance, feedback control may also be employed. Relevant aspects of such performance optimization are discussed.
Url:
DOI: 10.1016/S0168-1656(00)00366-7
Affiliations:
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