Giessen WWTP Modernization: New Aeration Systems Cut Energy Use
The Giessen Wastewater Treatment Plant, serving the region and city of Gießen, Germany, is currently undergoing modernization. The primary goal is to enhance energy efficiency, with a focus on improving the aeration systems in its eight aeration tanks. Each tank holds 4 million liters of wastewater.
The plant is replacing the aeration systems in stages due to daily wastewater volume constraints. Only one tank can be taken out of operation for modernization each year. The last two tanks are slated for modernization in 2026 and 2027.
The new aeration systems are designed to work seamlessly with the high-efficiency compressed air supply of the new CHP plant/compressor station. This modernization is expected to reduce energy consumption and operating costs, while maintaining high-quality wastewater treatment. Over 800 aerator membranes will be installed per tank during the process.
The modernization of the current aeration tank is on track to be completed by the end of October 2025. This project is a significant step towards conserving resources and optimizing energy efficiency at the Giessen Wastewater Treatment Plant.
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