The Waste-to-Energy plant in Mainz has completed upgrades to meet stricter emission rules well ahead of the legal deadline.
Key Takeaways
- Mainz’s Waste-to-Energy plant completed upgrades by end of 2025, ahead of Germany’s February 2024 emissions ordinance deadline.
- A new environmental management system continuously monitors and improves key processes.
- Incoming waste is now screened for radioactive materials before processing.
- Stricter limits now apply to nitrogen oxides, sulphur oxides, acids, mercury, heavy metals, dioxins and furans.
- A new energy management system has cut resource consumption. has cut resource consumption.
A new environmental ordinance (17. BImSchV) issued by the German federal government in February 2024 sets stricter rules for pollutant emissions and monitoring at Waste-to-Energy plants. The Waste-to-Energy plant in Mainz completed the required technical conversions by the end of 2025, ahead of the statutory deadline for compliance.
Stricter Monitoring, Fewer Pollutants
A new environmental management system is central to the changes: a fixed system that continuously monitors all environmentally relevant processes and improves them step by step. Incoming waste must now also be checked for radioactive materials before it is processed, a new requirement under the ordinance.
At the same time, the plant now complies with considerably stricter limits for substances that can be released during combustion, including nitrogen oxides and sulphur oxides, certain acids, mercury, other heavy metals, and dioxins and furans. This was made possible through investment in modern measurement, control and cleaning technology. New measurement methods reliably record these values even while the plant is starting up, a particularly sensitive phase of operation.
More Efficient Use of Energy
The plant also meets the new requirements for efficient use of energy. A new energy management system has optimised operations so that fewer resources are consumed.
The technical adjustments further reduce emissions and prepare the plant for future environmental requirements.
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