Floating Brush Aerators work where vertical shaft aerators can't. Designed for municipal sewage lagoons, they perform reliably in shallow applications where depth restricts other aerator types.
The DBS Hyperbolic Mixer handles flocculation, suspension, homogenisation, and subsurface aeration in one unit. A practical choice for water and wastewater treatment processes that demand consistent mixing performance.
The BSK® Turbine surface aerator transfers oxygen and drives intensive mixing in biological treatment systems. Built for efficient, consistent performance where aeration load is high.
The Lagoon Master Aerator delivers aeration and mixing in shallow ponds and lagoons. Built for wastewater treatment systems where water depth limits equipment options.
Applications
Real-world examples
In 2014-15 Water Corporation constructed Stage 1A of the East Rockingham WWTP, which included two (2) Oxidation Ditches (ODs). Each OD with approx. dimensions 115m L x 25m W x 6.1m D at (Top Water Level) TWL, was fitted with two (2) pier mounted surface aerators. Initially each OD would treat 3 ML/day increasing to 10 ML/day of screened & degritted sewage. The system was designed so that in subsequent upgrade stages Primary Settling Tanks will be installed upstream of the ODs, that will allow future treatment of up to 20 ML/d per OD. The NSA-series Low Speed Aerator model NSA5-300B (220 kW) supplied by DBS Manufacturing was selected for this project due to its low power usage and demonstrated performance in many similar applications.
East Rockingham, Western Australia
Lagoon Aeration for Municipal STP
A large Victorian Municipal Water Authority was upgrading its wastewater lagoons to cater for additional loads and required an aeration system to improve the wastewater treatment process. Key requirements for the aeration system included: • Shallow draft as the lagoons are only 1.5m deep • Quiet operations due to proximity of local residents (<70DbA) Aeration Demand requirements • BOD (Peak) – 231 kg O2/d, Actual Oxygen Transfer Rate (Peak) – 15 kg O2/hr
Victoria
