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BioMag® System

See All Ballasted Clarification

Ballasted activated sludge dramatically increases biological treatment capacity and helps meet ENR limits.

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  • Simplicity and reliability, ballasting biological floc with magnetite dramatically increases secondary settling rates 
  • Up to triple the capacity, rapid and reliable settling 
  • Increased capacity and superior solids removal 
Discontinued product
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Ballasted activated sludge dramatically increases biological treatment capacity and helps meet ENR limits.

  • Simplicity and reliability, ballasting biological floc with magnetite dramatically increases secondary settling rates 
  • Up to triple the capacity, rapid and reliable settling 
  • Increased capacity and superior solids removal 
Discontinued product

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Description

The innovative BioMag®​ system​ uses magnetite -- fully inert iron ore particles -- to enhance the clarification process. The system uses the world's fastest proven settling clarification technology for biological floc -- allowing capacity expansion and performance improvement with minimal plant modifications at the lowest cost possible. In fact, it consistently achieves a sludge volume index (SVI) of less than 50!

The BioMag system is primarily used to improve secondary wastewater treatment. It allows operators to control the sludge blanket, achieve high contaminant removal, and manage loads and flows.

Wastewater treatment facilities upgrade with the BioMag system to reduce the cost of complying with stringent new nutrient removal limits. In fact, Washington County, Maryland, recently decided to upgrade three of its facilities with the BioMag system.

Features

Features

  • Easy to incorporate in virtually any type of activated sludge treatment…biological process operation remains unchanged
  • BioMag system equipment is located in sidestream location (WAS stream) without impacting main liquid stream in the WWTP
  • Magnetite is readily available (iron ore commodity), fully inert, non-abrasive (particle size is 10-15 microns), and magnetically retrievable (high recovery rates).
  • BioMag system equipment is easy/simple to operate. The key peice of operating equipment has been successfully applied for dec​ades in other industries.
  • Evoqua has several mobile units that can help in challenging staged constructions, or temporarily alleviate issues related to poor settling sludge
  • Fully automated

Benefits

  • Simplicity and reliability, ballasting biological floc with magnetite dramatically increases secondary settling rates eliminating bottlenecks to process greater loads, flows or both.
  • Up to triple the capacity, rapid and reliable settling enables a 2 – 3x increase in MLSS concentrations without the risk of upset, and an equivalent increase in treatment capacity — all within existing bioreactors and clarifiers.
  • Increased capacity and superior solids removal enable existing activated sludge systems to free up reactor capacity for multi-stage treatment processes, thereby enabling the removal of TN to ≤ 3.0 mg/L and TP to ≤ 0.2 mg/L without tertiary filters.
  • The BioMag System continuously recovers and reuses up to 95% of the injected magnetite offering a cost-effective, sustainable process.

Specs

Aerobic Treatment System Type
  • Activated Sludge, Separation/Clarfication

Documentation

The BioMag® System

Watch a real-time demonstration of the BioMag® system

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