Turboxal™, a mixing system used for the oxygenation and the mixing of wastewater biological treatment tanks previously studied, shows a low gas flooding rate. In order to increase the gas flooding rate, two of the three impellers used are replaced by only one new turbine. This new turbine comes from a previous work and has been designed partially by computational fluid dynamics (CFD). The gas flooding rate of the new system, called Turboxal-2™, is increased of about 120% on average compared to the Turboxal™ standard and the mass transfer capacities of the new system are quite similar to those of the previous device.
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Improvement of the Performances of a Gas-Inducing System for Application in Wastewater Treatment
1Laboratoire de Génie Chimique-CNRS, Rodolphe.Sardeing@ensiacet.fr
2Laboratoire de Genie Chimique CNRS, Catherine.Xuereb@ensiacet.fr
3Laboratoire de Génie Chimique-CNRS, martine.poux@ensiacet.fr
Citation Information: International Journal of Chemical Reactor Engineering. Volume 4, Issue 1, Pages –, ISSN (Online) 1542-6580, DOI: 10.2202/1542-6580.1346, August 2006
Publication History:
- Published Online:
- 2006-08-10
Keywords: shrouded turbine; hydrodynamics; mechanical agitation; gas-induction; gas-liquid dispersion
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