Schütz, J. , Rustige, H. , Jährig, J. , Miehe, U. (2023): DECENTRALISED WASTEWATER TREATMENT AND WATER REUSE FOR REGIONS WITH SEASONAL DROUGHT STRESS.

10th International Symposium On Wetland Pollutant Dynamics and Control (Wetpol 2023). Brügge 11.09.2023

Zusammenfassung

In the frame of the project Ultimate, eight workshops were conducted by the cross-cutting technology group leaders for water recycling, material recovery and energy recovery as well as in cooperation with the “stakeholder engagement” work package. In these workshops, the concepts of the case studies were discussed at an early stage of the project together with experts from other Horizon2020 projects such as NextGen, Smart-Plant, Run4life, Sea4value, Digital-water.city, Fiware4water, Water2Return and Aquaspice. In addition, the partners from our sister projects B-WaterSmart, Water Mining, Rewaise and Wider Uptake had been invited to share their opinion with us and to identify possible synergies for cooperation.

Remy, C. (2023): Treibhausgasbilanz der weitergehenden Abwasserreinigung: neue Ziele schlecht fürs Klima?.

DWA Nord-Ost: Landesverbandstagung 2023, 26.-27.07.2023. Berlin, Deutschland

Zusammenfassung

Steigende Sulfatkonzentrationen in der Spree geben Anlass zur Sorge, dass zusätzliche Verfahrensschritte zur Sulfatentfernung bei der Trinkwasseraufbereitung in Berlin notwendig werden könnten. Im Rahmen des BMWK-Projekts SULEMAN wurde eine detaillierte Studie der damit verbundenen Kosten und Umweltauswirkungen für das Wasserwerk Friedrichshagen in Berlin durchgeführt. Dabei wurde das Ionenaustauschverfahren CARIX mit der Niederdruck-Umkehrosmose bei verschiedener Sulfatbelastung im Rohwasser verglichen.

Schütz, P. , Gutierrez, O. , Busquets, S. , Gunkel, M. , Caradot, N. (2023): The use of a low-cost monitoring dataset for sewer model calibration.

6th IWA International Conference on eco-Technologies for Wastewater Treatment. 26.6 - 29.6 2023. Girona, Spain

Zusammenfassung

Urban wastewater management and the associated modelling has become indispensable today. Reliable calibration is essential for these models, and water level data is used as a standard. However, data collection can be limited due to high sensor costs and harsh conditions in the sewer. A novel solution is collecting data using low-cost temperature sensors, placing one in the stream, the other at the crest of the weir. In the case of dry weather, the sensor measures the air phase, whereas, in the case of Combined Sewer Overflow (CSO), the discharged storm and wastewater is measured. Autocalibration was performed using OSTRICH for a SWMM model in Berlin, with water level and fictional temperature data, and various number of measuring sites. Results showed that calibration using temperature data was as good as using water level data, with promising outcomes achieved by using one measuring site, offering a cost-effective alternative for water utilities.

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