HSA Surface Aerator
Cost-effective, high oxygen transfer efficient aeration
The HSA surface aerator is considered the first floating mechanical aerator for biological wastewater treatment applications. The powerful pumping action of the surface aerator transfers oxygen by breaking up the wastewater into a spray of particles, creating large surface area for atmospheric pressure to drive oxygen into the wastewater, even deep basins upto 5m water depth. At the same time, the oxygen-enriched water is dispersed and mixed, resulting in highly effective aeration for wastewater treatment. An optional design for HSA Surface Aerators, is a combined submersible mixer (HSM) to promote denitrification process.
HAS/HSM at large food processing plant
2 large HSA at a Diary Cattle Farm’s SBR lagoon (4m water depth).
Low aerosol spray. Installation time: 1 day
APPLICATIONS
- Aerated lagoons
- Equalization basins
- Sequencing Batch Reactors (SBR)
- Activated sludge reactor
- Aerobic digestion
KEY FEATURES & BENEFITS
- Low operating costs
- Create cooling effects for high temperature effluent
- Trouble-free performance
- Horizontal spray: low aerosols
- High oxygen transfer efficiency
- Resistant to corrosion and abrasion
- No gearbox, thus low maintenance
- Fast and simple installation
- Stabilization cross: no vortex problems, high floating stability
- Screw centrifugal impeller: low forces on the sludge, no blocking by fibres
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