Computational fluid dynamic modeling and pilot testing for dissolved air flotation optimization

该项目将帮助Corix Water Systems改进其溶解气浮(DAF)水处理工艺。研究小组已经开发了DAF系统的计算流体动力学(CFD)模型，但需要验证。Corix正在建造一个中试规模的DAF系统，以测试提高性能的方法。通过NSERC CRD项目，将进行扩大的中试测试计划，以生成验证CFD建模结果所需的数据。有了经过验证的CFD模型，Corix和University团队将能够探索比其他情况下更广泛的DAF系统配置，包括更改DAF隔离区尺寸、空气分数和收集系统的位置，目标是将最大加载速度从目前的10 m/hr提高到30-40 m/hr的数量级，这是与领先的国际DAF供应商竞争所必需的。

This project will help Corix Water Systems to improve their dissolved air flotation (DAF) water treatment process. A computational fluid dynamics (CFD) model of a DAF system has been developed by the research team, but needs validation. Corix is building a pilot-scale DAF system to test methods to improve performance. Through this NSERC CRD project, an expanded pilot-scale testing program will be conducted to generate data specifically needed to validate the CFD modeling results. With a validated CFD model, Corix and the University team will then be able to explore a much wider range of DAF system configurations than would be otherwise possible, including changes to the DAF separation zone dimensions, air fraction, and position of the collection system, with the goal of improving the maximum loading rate from the current 10 m/hr to a loading rate in the order of 30-40 m/hr, which is required to compete with leading international DAF vendors.