The Munich city drainage system (MSE) has been operating a sewage sludge incineration plant at the sewage sludge treatment plant in Gut Großlappen since 1997. The digested sludge is dewatered, dried and burned in a fluidized bed. MSE made various considerations to ensure the sewage sludge disposal from both its sewage treatment plants. In addition to a shortage of external disposal capacities, there is an increasing need for maintenance in the existing waste incineration plant, and the co-incineration of sewage sludge in the Munich waste-to-energy plant will be prohibited in the future. For these reasons, MSE plans to build a new incineration plant on an open construction site. The existing system is to be replaced. As part of the preliminary planning, variants with different number and dimensioning of lines were examined and a concept was selected. An essential selection criterion was the guaranteed disposal. The concept is redundant and comprises three dewatering and two drying lines prior to two incineration lines as well as an intermediate bunker for dewatered sludge and a water-steam cycle with electricity generation. At the end of 2019, the design planning for the new plant was completed and it is expected that the tendering procedure shall conclude in 2020. The plant is scheduled to go into operation in 2025.
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