AERATION & MIXING

FEATURES
  • AquaDDM® Mixer
  • Aqua supplied surface or diffused aeration
  • Manual or automatic control of aeration system
  • Simplified layouts

ADVANTAGES
  • Full range aeration control without compromising mixing
  • Greater control of D.O. in mixing limited systems
  • Reduces power requirements
  • Improves sludge settle-ability
  • Greater choice of reactor size and shape
  • Simplifies layout of air distribution system

APPLICATIONS
  • Retrofit in mixing limited aeration systems including: extended aeration, aerobic digestion, equalization, aerated lagoons
  • Anoxic processes
  • Oxidation ditches
  • Variable load, activated sludge systems
  • Diurnal flows, less than design conditions
  • Batch reactor processes
  • Municipal-industrial combination
  • Long residence time processes in cold climates

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OPERATION 

Because mixing energy is separate from aeration energy, the Aqua MixAir® System permits a greater choice of reactor sizes and shapes. The Aqua MixAir® System simplifies the layout of the air distribution system by eliminating the need for tank baffles or full bottom coverage, as with typical diffused air systems. The system is well suited for new construction or for retrofitting in existing aeration basins.

Diffused Air System with AquaDDM® Mixer Typical Improvements:

  • Increased oxygen transfer efficiency
  • Virtual elimination of short circuiting
  • Less HP required to achieve completely mixed reactor
  • Improved biomass contact
  • Improved sludge settle-ability

Surface Aeration with AquaDDM® Mixer Typical Improvements:

• Creates complimentary flow patterns
• Better suspensions of solids
• Improved oxygen distribution
• Minimized energy consumption

 

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