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Mixing characterization in batch reactors using the radiotracer technique

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Abstract

The infusion rate of a slug of tracer into an anchor agitated 100-liter batch mixer was characterized by a decay rate constant. This constant was then used to define a dimensionless mixing-rate number which was related to the stirrer Reynolds number. This correlationship allows the calculation of time or rotational speed needed to achieve any desired degree of uniformity of the mixture.99mTc was used as radiotracer and the mixing process was followed by a scintillation Nal(Tl) counter situated on the reactor wall near the injection point.

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Authors and Affiliations

  1. Instituto Superior de Ciencias y Tecnología Nucleares, Ave. Salvador Allende y Luaces, Quinta de los Molinos, A.P. 6163, C. Habana, Cuba

    J. Domínguez, A. M. Abreu, R. McCalla, J. Borroto, M. Ortueta & E. Pérez

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  1. J. Domínguez
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  2. A. M. Abreu
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  3. R. McCalla
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  4. J. Borroto
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  5. M. Ortueta
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  6. E. Pérez
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Domínguez, J., Abreu, A.M., McCalla, R. et al. Mixing characterization in batch reactors using the radiotracer technique. J Radioanal Nucl Chem 241, 337–340 (1999). https://doi.org/10.1007/BF02347471

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  • DOI: https://doi.org/10.1007/BF02347471

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