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Scale-up Criteria of Square Tank Surface Aerator by Achanta Ramakrishna Rao; Bimlesh Kumar is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Scale-up Criteria of Square Tank Surface Aerator about?

## Abstract Oxygen transfer rate and the corresponding power requirement to operate the rotor are vital for design and scale‐up of surface aerators. Present study develops simulation or scale‐up criterion correlating the oxygen transfer coefficient and power number along with a parameter governing theoretical power per unit volume (__X__, which is defined as equal to __F__^4/3^__R__^1/3^, where __F__ and __R__ are impellers' Froude and Reynolds number, respectively). Based on such scale‐up criteria, design considerations are developed to save energy requirements while designing square tank surface aerators. It has been demonstrated that energy can be saved substantially if the aeration tanks are run at relatively higher input powers. It is also demonstrated that smaller sized tanks are more energy conservative and economical when compared to big sized tanks, while aerating the same volume of water, and at the same time by maintaining a constant input power in all the tanks irrespective of their size. An example illustrating how energy can be reduced while designing different sized aerators is given. The results presented have a wide application in biotechnology and bioengineering a

Who reads Scale-up Criteria of Square Tank Surface Aerator?

Author

Achanta Ramakrishna Rao; Bimlesh Kumar

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Wiley - V C H Verlag GmbbH & Co.; Wiley (ISSN 0006-3592)

Published

2006

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)