This extremely rugged, coarse-bubble aeration system was especially developed for use in industrial and municipal wastewater treatment plants.
iCBA®-Aeration System
Product Information
With its rugged construction made of stainless steel, the iCBA®-Aeration System is perfect for even the hardest applications in industrial and municipal wastewater treatment plants.
Limitations of conventional membrane aerators, such as high air temperatures or problematic wastewater components, do not restrict the area of application.
Even after many years, the aeration performance is remains constant. The pressure loss of the system remains consistently low.
The aeration system consists of the iCBA® aerator element and the bottom distributor on which the individual iCBA® aerator elements are installed at regular intervals.
| Designation | Value |
| Material Air Distributor | 1.4301 / 1.4571 |
Ground Clearance | 50 – 250 mm |
| Dimensions Air Distributor | 100 x 100 mm |
| Material Aeration Element | 1.4301 or 1.4571 |
| Length Aeration Element | 1.300 mm |
| Air Amount | 10 – 100 Nm3/h |
Stendal, Germany
Plant: WWTP Stendal, Germany
Type of Plant: Industrial Wastewater Treatment Plant
Start-up Year: 2018
Application:
- Aeration for BOD/COD elimination in MBBR tank
Scope of Delivery:
Landerneau, France
Plant: WWTP U.C.L.A.B. Industrie Landerneau, France
Type of Plant: Industrial Wastewater Treatment Plant
Start-up Year: 2016
Application:
- Aeration for BOD/COD elimination in MBBR tank
Lieferumfang:
Plattling, Germany
Plant: WWTP Rheinpapier, Plattling, Germany
Contractor: Stulz-Planaqua GmbH
Type of Plant: Industrial Wastewater Treatment Plant
Start-up Year: 2006
Application:
- Aeration for BOD elimination in packing process
Scope of Delivery:
Hallstavik, Sweden
Plant: WWTP Hallstavik, Sweden
Contractor: ATEK Avvattningsteknik AB
Type of Plant: Industrial Wastewater Treatment Plant
Start-up Year: 2005
Application:
- Sludge aeration with growth bodies
Scope of Delivery:
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Aeration Systems for Modern Wastewater Treatment
Applications of the INVENT iCBA®-Aeration System
Aeration in packed bed processes MBBR
Mass transfer processes in packed bed reactors are influenced less by the size of air bubbles and more by the properties and volume fraction of the carrier media, as well as their specific surface area and wettability. The iCBA®-Aeration System stands out for its durability, maintenance-free operation, and consistent efficiency, making it the ideal solution for MBBR applications.
The iCBA®-Aeration System was specifically developed and optimized to meet the demanding requirements of mixing and aerating in these processes. It offers a maintenance-free and robust alternative that is not subject to the typical limitations of membrane diffusers.
BOD or COD degradation
Reliable oxygen supply for microorganisms during biological pollutant reduction: The iCBA®-Aeration System is a dependable solution for the biological degradation of carbon in aeration tanks. Its wide control range allows for flexible adjustment to load fluctuations.
Nitrification
Nitrification describes the bacterial conversion of ammonia (NH3) or ammonium ions (NH4+) into nitrate (NO3−). This process occurs in two steps: first, ammonia is oxidized to nitrite, followed by the oxidation of nitrite to nitrate.
The iCBA®-Aeration System delivers the required oxygen with high efficiency, thereby minimizing operating costs.
Membrane bioreactor (MBR)
Continuous cleaning of the membrane surface and uniform aeration help limit the thickness of the biofilm layer. This is crucial for the activity of biological microorganisms responsible for breaking down organic substances in the wastewater.
Membrane bioreactors (MBRs) often have elevated biomass concentrations, which significantly reduce the oxygen transfer efficiency in the wastewater, known as the alpha factor.
Thanks to its high efficiency and automatic maintenance capability, the iCBA®-Aeration System is well suited for MBR systems.
Aeration in sludge applications
When aerating sludge, the primary focus is often not on efficiency but on operational reliability. The iCBA®-Aeration System is designed for nearly clog-free performance, making it a dependable choice even at high solids concentrations.
Aeration in very deep basins
In very deep tanks, membrane aerators often face high thermal stress due to the significant heat generated when air is compressed under high hydrostatic pressure. The iCBA®-Aeration System, built entirely from stainless steel, is specifically designed to handle such conditions and is ideally suited for operation at temperatures of up to 160°C.
Aeration in basins with problematic waste water
In industrial wastewater treatment, substances such as fats and oils can degrade the membranes of aeration systems, reducing their elasticity. This results in increased pressure loss, lower efficiency, and a shorter system lifespan. Made entirely of stainless steel, the iCBA®-Aeration System ensures consistently reliable performance, even in wastewater containing aggressive chemicals.
