WesTech Municipal Water/Wastewater Blog

Municipal Water and Wastewater

Scott Pallwitz, PE, and Darin St. Germain, PE

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4 Types of Operational Control Systems for Gravity Filtration – Pros and Cons

Posted by Scott Pallwitz, PE, and Darin St. Germain, PE on Dec 28, 2016 1:23:53 PM

Thousands of water and wastewater treatment facilities use granular media filters. An operational control system ­– along with media configuration, underdrain system, and backwash process – is an important consideration because it determines how water flow is controlled through the filter.

Four basic types of operational control systems are used in gravity filtration, with some variances from plant to plant. Each has advantages and disadvantages.

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Category: Wastewater Treatment, Water Treatment

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