A two-phase computational fluid dynamics model for ozone tank design and troubleshooting in water treatment
作者： C. T. Ta , J. Hague
DOI: 10.1080/01919510490482313
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摘要: ABSTRACT A computational fluid dynamics (CFD) tool was employed to design and study ozone contactors. The emphasis achieve the desired flow distribution. Eulerian-Eulerian multiphase model used with standard k-ϵ turbulent model. water surface slip wall boundary specified as a sink remove bubbles. For single-column contactor side entry, pattern found be crucially dependent on both direction magnitude of entry velocity from inlet pipe. It difficult uniform gas concentration over volume. In multicompartment contactor, countercurrent resulted in mixed condition mixing increased higher rate. cocurrent flow, accelerated by plug achieved. distribution each compartment can significantly different even though overall residence time curves are similar.
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