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Publikācija: Development and Application of a Flexible Controller in Yeast Fermentations Using pO2 Cascade Control

Publication Type Publication (anonimusly reviewed) in a journal with an international editorial board indexed in other databases
Funding for basic activity Unknown
Defending: ,
Publication language English (en)
Title in original language Development and Application of a Flexible Controller in Yeast Fermentations Using pO2 Cascade Control
Field of research 2. Engineering and technology
Sub-field of research 2.11 Other engineering and technologies
Authors Juris Vanags
Viachaslau Hrynko
Uldis Viesturs
Keywords Bioreactor, fed-batch, fermentation, pO2 cascade control
Abstract The development and application of a flexible process controller in fed-batch yeast fermentations using pO2 cascade control was performed. A new algorithm for fedbatch fermentations using pO2 cascade control was developed, the concept of which could be used as a realizable solution in fermentation systems equipped according to the basic configuration. The algorithm is based on the combined influence of pO2 and pH on the substrate feeding intensity. To test and develop this algorithm, Saccharomyces cerevisiae DY 7221 and Candida tropicalis CK-4 fermentations were carried out. As a result of the use of the combined algorithm, the specific growth rate and productivity grew in both fermentations. In this case, the effect of the use of the algorithm was most pronounced in the C. tropicalis fermentation.
DOI: 10.1002/elsc.200900112
Hyperlink: http://onlinelibrary.wiley.com/doi/10.1002/elsc.200900112/full 
Reference Vanags, J., Hrynko, V., Viesturs, U. Development and Application of a Flexible Controller in Yeast Fermentations Using pO2 Cascade Control. Engineering in Life Sciences, 2010, Vol.10, Iss.4, pp.321-332. ISSN 1618-2863. Available from: doi:10.1002/elsc.200900112
ID 8947