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Learning Center

stormwater mud vs pack
When to use the StormTank Module vs. the Pack
The StormTank line provides two options for subsurface storage. Because of this, we often receive questions like: “When should I use the ...
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StormTank Water Quality Credit
One of the most frequent questions we receive when talking to engineers is, “Do your products get water quality credit?” Up until ...
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Fixed vs. Moving Bed Systems
Fixed vs. Moving Bed Systems: Cost
The differences between fixed and moving bed systems are significant, as discussed in the four previous blog articles. Therefore, a comparison ...
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fixed vs moving aerationmixing
Fixed vs. Moving Bed Systems: Aeration and Mixing Efficiency
The aeration design for a biofilm system, such as moving bed or AccuFAS fixed-film systems, is more complex than a standard activated sludge system. ...
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How To Build an Underground Infiltration Basin
Designing an Underground Infiltration Basin
The design of every underground stormwater system is unique, so it’s important to develop a site-specific plan. However, the first step in this ...
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Moving vs. Fixed Biofilm
Fixed vs. Moving Bed Systems: Surface Area and Kinetic Rates
The specific surface area of moving bed media is reported to be roughly 150 ft2/ft3 (500 m2/m3). Brentwood’s fixed bed system, AccuFAS, has a ...
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accufas media retention headloss
Fixed vs. Moving Bed Systems: Media Retention and Headloss
Submerged fixed-film media is utilized within aeration basins to optimize biological treatment and increase capacity. Therefore, proper design and ...
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Basin Geometry
Fixed vs. Moving Bed Systems: Basin Geometry
Aeration basins can have length to width (L:W) ratios varying from 1:1 (square) to over 30:1 (plug flow). The L:W ratio of an aeration basin directly ...
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