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Wastewater Treatment Plants

Tank options:  Steel or Fiberglass Reinforced Plastic (FRP) 

Packaged or Site-Built... Depending on Size



Submerged Fixed-Bed Biofilm Reactor (SFBBR) technology is approved by the Texas Commission on Environmental Quality (TCEQ) and has been widely used in wastewater treatment plants for decades around the world.  

Biological wastewater treatment relies on healthy bacteria and other microorganisms. SFBBR systems utilize a growth media submerged in the treatment basins that provides surface area for the microorganisms to attach and form a biofilm.   

Biofilms are hard to kill.  The difficulties caused by biofilm development in other industries are exactly why they are so beneficial to wastewater treatment.  Biofilm-based treatment systems have the following characteristics:

  • Resilient against biological upsets

  • Tolerant of variable flows and pollutant concentrations

  • Immune to "wash outs" caused by inflow & infiltration

  • Improved process stability of BOD oxidation and Nitrification

  • Decreased solids loading on clarifier

  • No sludge bulking

Activated Sludge


Activated Sludge (AS) technology has been in use for over 100 years, and remains the most common treatment method in much of the world, including the US. Rather than utilizing a solid surface submerged in the treatment basins to create a biofilm, AS systems are in the category of "suspended growth" methods and rely on the proper recirculation of sludge from the clarifier being mixed with the raw wastewater influent as it enters the plant.  These require a higher level of operator sophistication than the SFBBR, but are highly effective systems when properly operated and maintained.  If your specifications call for an AS system, we can construct to your plan's requirements.

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