Aqua-Aerobic Systems, Inc. (a subsidiary of the METAWATER Group)

- Phased Activated Sludge System



The AquaPASS system is a time-managed activated sludge technology that integrates select unit processes into a single biological treatment system.

Optimize treatment of the AquaPASS system with the IntelliPro® Monitoring and Control System

  • Monitoring, trending and data analysis
  • Energy savings process control
  • On-line troubleshooting assistance
  • BioAlert™ process notification system

  • Aqua MixAir® system provides flexible control of aeration and mixing
  • Time-based anoxic intervals promoting exceptional nitrate reduction
  • Superior process environment suitable for cold weather climates
  • Ideal for a wide range of design flows
  • Flexible tank design and equipment options

  • Flow-through operation with multi-stage performance
  • Concentrated return activated sludge (RAS) provides optimized process environments
  • Membrane ready for future expansions
  • Load proportioned power savings mode
  • Simple and flexible system operation

  • Municipal and industrial wastewaters
  • Enhanced biological nutrient removal (EBNR)
  • Total nitrogen < 3 mg/l
  • Total phosphorus < 0.6 mg/l
  • Water reuse and reclamation
  • New plant construction
  • Retrofit existing activated sludge systems
  • Convert oxidation ditches

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