Efficient cleaning of aeration elements through targeted acid dosing
Fine-bubble aeration elements are central to the oxygen input in the aeration tank. With increasing operating time, deposits such as lime, iron or manganese compounds form, which hinder the air flow and increase the differential pressure. This increases energy consumption and impairs the oxygen supply.
These deposits can be reliably removed through the targeted, controlled dosing of acid into the supply air pipe. The aerator performance is restored - without dismantling and without long system downtimes.
Challenges in aeration
- Deposits increase the back pressure, fans and blowers have to work harder - energy requirements and operating costs increase.
- Dirty aerators impair the oxygen input - biological processes become unstable and nitrification can be impaired.
- Manual cleaning is time-consuming - removal, high-pressure rinsing or chemical immersion baths cost time, labour and money.
- Incorrect dosing reduces the cleaning effect and can damage materials and system components.
The solution from sera
- Targeted dosing:Precise addition of formic or acetic acid to remove limescale deposits and restore aerator performance.
- Mobile system: Compact dosing unit on a robust platform trolley - can be used flexibly between basins and aeration lines, ideal for systems with several streets or aeration fields.
- Integrated safety: Drip tray with 90 litre volume and optional chemical vapour lock to protect personnel and the environment.
- High-quality components: Stainless steel metering valve (1.4571) and durable design for reliable continuous operation.
- Quick to use: Complete system with suction lance, hose and dosing valve - ready for immediate use for efficient cleaning processes.
The precise dosing technology from sera enables energy-efficient cleaning of the aeration elements, lowers energy consumption thanks to reduced differential pressure, minimises maintenance work and downtimes, extends the service life of the aerators and ensures a permanently stable oxygen supply in the aeration tank.
