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Clarifiers & aeration tanks in FLOW-3D HYDRO
Sedimentation and aeration comprise two key unit processes in wastewater/water treatment. Sedimentation involves the gravity-driven separation of particles heavier than water, and typically occurs in grit chambers and primary/secondary clarifiers. To design these systems effectively, it is important to accurately capture the physics of some of these unit processes, such as the flow characteristics as well as different settling regimes, such as discrete or hindered settling. Aeration, on the other hand, is a vital part of almost every biological treatment system and is of particular importance in dictating dissolved oxygen concentrations in activated sludge processes.

In this webinar, we will explore FLOW-3D HYDRO’s ability to model sedimentation in clarifiers as well as aeration diffusers in the wastewater treatment process. First, we will review some of the key physics that need to be captured for engineering design, as well as discuss some of the model choices and approaches available in FLOW-3D HYDRO, including the clarifier settling model and Lagrangian mass and gas-particle models. In order to illustrate and validate the use of the model, we will discuss the physics and modeling of a clarifier as well as an aeration diffuser. Finally, we will walk through an example setup in FLOW-3D HYDRO.

Nov 11, 2021 11:00 AM in Mountain Time (US and Canada)

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