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Nozzle Aerator
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HST Systemtechnik GmbH & Co. KG
Baden-Wurttemberg, Germany
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The Jet Aerator is an advanced solution for supplying oxygen to aeration tanks. Unlike conventional membrane aerators, this system eliminates membrane resistance, resulting in significant energy savings.Additional design advantages include permanent forced emptying, which prevents water accumulation, and a backwashing function that allows nozzle carriers to be cleaned during operation (e.g., with acetic acid). This feature ensures long-term reliability by preventing calcification and clogging.
By arranging jet aerators and fluid nozzle carriers in staggered positions, the system ensures efficient circulation and inoculation of wastewater in aeration tanks. The fluid nozzle carriers are specifically designed (Di ≥ 1 mm, project-specific) for uniform mixing of the tank volume while minimizing energy consumption. These carriers also feature permanent drainage and can be backwashed through integrated hose connections.

Applications of Nozzle Aerator
  1. Municipal wastewater treatment plants
  2. Industrial wastewater treatment plants
  3. Process water treatment systems

Benefits of Nozzle Aerator
  1. Optimal operation with high oxygen transfer performance
  2. Lowest operating and maintenance costs compared to membrane systems
  3. Low clogging risk due to permanent drainage and self-cleaning design
  4. Continuous cleaning option by backwashing, even during operation

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