Understanding biology. Controlling aeration with precision.
ALPHAMETER® Process Control and Monitoring
Product Information
Conventional aeration control systems are typically based on dissolved oxygen as an indirect single parameter. While helpful, this only provides a limited insight into what is actually happening in the biological process.
The INVENT ALPHAMETER® 2.0 goes significantly further: it combines measurements from both the liquid and gas phases and converts them into critical real-time process information. The system is based on the continuous determination of α OTE, OUR and the α-value as a new foundation for monitoring and controlling biological aeration processes.
With ALPHAMETER® 2.0, biological activity becomes indirectly visible and usable for process control. In addition, nitrous oxide emissions (N²O) can be measured and documented. This transforms traditional, indirect aeration control into a more direct, precise, and modern process control approach.
| Designation | Value |
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| Materials Hood | GfK |
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| Communication | Profibus, Profinet, Modbus |
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Applications of the INVENT ALPHAMETER® process control and monitoring
Control of air consumption
To ensure efficient aeration, it’s important to accurately know the oxygen demand in the aeration tanks. Traditional methods rely on measuring the dissolved oxygen concentration, which essentially reflects the excess oxygen supplied. The ALPHAMETER® 2.0, however, measures the actual oxygen consumption by the biology in real time and uses this data to control the air supply. This reduces the amount of excess oxygen needed for measurement and enables quicker, more efficient responses to changes in load.
Detection of operational disturbances
In wastewater treatment plant operations, early detection of operational disturbances is crucial. For example, if disruptions such as the discharge of toxic substances are identified promptly, countermeasures can be taken to prevent a complete system failure. The ALPHAMETER® 2.0 enables real-time detection of such disturbances by directly measuring biological activity. Additionally, it continuously monitors the efficiency of the aeration system, allowing maintenance tasks, such as cleaning the aeration equipment, to be carried out proactively.
Fit for KARL
The ALPHAMETER® 2.0 combines process intelligence, energy optimization, and emissions transparency in one system – fully aligned with the new KARL requirements.
In our video we introduce our INVENT aeration systems:
Products for biological wastewater treatment – developed by the best team
Discover INVENT’s proven systems, designed to deliver highly efficient aeration, reliable mixing, and stable biological processes in wastewater treatment plants around the world.
The video highlights:
- iTURBO®-Blower: Energy-efficient high-speed turbo blowers for maximum oxygen transfer efficiency
- HYPERCLASSIC®-Mixing and Aeration System: A globally proven system for uniform mixing and aeration in activated sludge tanks
- Intelligent control solutions: Optimized process control for maximum operational efficiency
- THINK Fluid Dynamix®: Advanced hydraulic and process simulation for reliable plant performance
The video not only presents the technology, but also explains why these solutions were developed: to achieve optimum treatment performance, reduce energy consumption, and ensure reliable long-term operation, even under demanding conditions.
