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Vol 11, No 1 (2008)
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Oxygen mass transfer studies on batch cultivation of P. aeruginosa in a biocalorimeter | Sivaprakasam | Electronic Journal of Biotechnology
doi: 10.2225/vol11-issue1-fulltext-15
Electronic Journal of Biotechnology, Vol 11, No 1 (2008)

Oxygen mass transfer studies on batch cultivation of P. aeruginosa in a biocalorimeter

Senthilkumar Sivaprakasam, Surianarayanan Mahadevan, Swaminathan Gopalaraman



Abstract

In the present work volumetric mass transfer coefficient (kLa) was investigated during batch cultivations of Pseudomonas aeruginosa on a nutrient media. The effects of process variables (viz. impeller speed, oxygen flow and geometry of impeller) on the volumetric mass transfer coefficient of oxygen, kLa, in a biocalorimeter (Bio-RC1) was investigated and reported in this research work. The experimental data have been analyzed employing MATLAB to obtain the influences of the process parameters on kLa. An attempt was made to correlate volumetric mass transfer coefficient with metabolic heat production rate at optimized process conditions. The correlation reported in this work would be useful to control and scale up of bioprocesses.




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ISSN:  0717-3458

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