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Water & Wastewater

Wastewater treatment aeration basin

Municipal & Industrial

Water & Wastewater

GL-TURBO solutions have been deployed in more than 200 wastewater treatment projects across over 20 countries. Our centrifugal blowers and GPAC precision aeration control system coordinate air supply with changing treatment demand.

GPAC uses process modeling, dissolved oxygen setpoints, blower flow control, and valve coordination to reduce unnecessary aeration. Long-term operation described in our company profile maintains dissolved oxygen within ±0.5 mg/L of setpoints, with control accuracy exceeding 95%.

  • Basin and lagoon aeration
  • Air scouring and filter backwashing
  • Grit chamber aeration
  • SBR, MBR, and activated sludge processes
  • Digester gas boosting
  • Sludge incineration

Explore GPAC precision aeration control

Discuss your application

Precision process control

Control air and dosing
around treatment demand.

GPAC combines feedforward process modeling with plant measurements to coordinate aeration and chemical dosing.

Download GPAC brochure (PDF)

Dynamic DO setpoints

The Activated Sludge Model helps identify the lowest dissolved oxygen setpoint that meets effluent requirements. Operators can also select manual DO setpoints.

Airflow and valve control

Blower flow setpoints and maximum-opening-valve control coordinate branch airflow while reducing pressure losses across the aeration network.

Precision dosing

Phosphorus removal and carbon source dosing modules combine model calculations with plant measurements and effluent feedback to adjust chemical addition.