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Projects

Our database contains all of TZW’s ongoing research projects and completed projects up to 2010. By filtering by category or time you can find the specific topic you’re looking for.

Our database contains all of TZW’s ongoing research projects and completed projects up to 2010. By filtering by category or time you can find the specific topic you’re looking for.

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PFAS in water. Picture: zimmytws
Technology
​​PFAS removal from membrane concentrates​ (PFAS-Konz)

The R&D project PFAS-Konz is investigating innovative processes such as foam fractionation and precipitation with PerfluorAd for PFAS removal from membrane concentrates.

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Jartest for flocculants
Technology
Alternatives to flocculants and flocculation processes (LitFAlter)

As part of the literature study funded by the DVGW, information on alternatives to flocculation and flocculants was collected and a survey was carried out among the affected water suppliers about their experiences in testing the alternatives.

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Online measurement technology in drinking water treatment
Abgeschlossen-2024
Online technology for operational monitoring of drinking water treatment (TRINKcontrol)

Efficient monitoring of drinking water treatment processes using online measurement technology is becoming increasingly important, partly due to new regulations. The aim of the DVGW research project TRINKcontrol was to investigate innovative…

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Location of the pilot plant at Estenfeld
Technology
Application of hollow fiber nanofiltration for sulphate removal

Hollow fiber membranes successfully removed sulphate from a very hard groundwater during the operation of a pilot plant without the need of antiscalants.

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(Image: Stephan Wasiliewski)
Abgeschlossen-2024
New water resources and innovative wastewater treatment (Newa-Lima)

The technology of managed aquifer recharge (MAR), which has been proven in Germany, was introduced in Peru as a nature-based solution. Its potential for the cost-effective supply of high-quality industrial and drinking water in densely populated…

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Inspection of the Villiersdorp sewage treatment plant, South Africa
Resource protection
Climate Resilience, Sanitation and Water Safety (KreATiw)

In the KreATiw project, experiences from South Africa are used to successfully adapt existing risk management approaches for drinking water supply and wastewater disposal to climate change. In South Africa, water scarcity is already a severe problem,…

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International-2024
Zero Pollution of Persistent, Mobile substances (ZeroPM)

Persistent, mobile (PM) substances are being recognized as serious threats to the safety of water resources. In many cases, drinking water supplies have to be purified using expensive technologies because of contamination by PM substances. The most…

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Cross-section through a test reactor with LED rings radiating inward. Source: Xylem Services GmbH.
Abgeschlossen-2023
Development of a DIN standard for UV-LED-based water disinfection (DINoLED)

UV LEDs (UV light emitting diodes) are already widely used in small devices for point-of-use disinfection. Due to the specific properties of UV LEDs they offer enormous potential for the public water supply. However, this type of application is…

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Experimental setup inside the pilot plan (Image: DBI)
Abgeschlossen-2023
Field test to determine the benefit of used filter material from groundwater filtration as sorbent for treating biogenic gases (Fabio)

The field tests on large-scale biogas and sewage gas plants with a mobile pilot plant with two fixed-bed adsorbers for the removal of hydrogen sulfide from raw biogas as part of the “Fabio” project showed that filter material from filter systems for…

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Abgeschlossen-2024
Innovative UV-LED applications for sustainable water management (InLEDapp)

The growing need for innovative solutions in sustainable water use affects public water supply, agriculture, and industry alike. The InLEDapp project investigated how novel UV-LED technology can contribute to chemical-free and energy-efficient water…

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Graphical abstract
Technology
Deacidification through calcium carbonate dosing in combination with ultrafiltration

Aim of the project was the evaluation of a new process combination for the deacidification of a soft spring water by dosing powdered calcium carbonate and particle removal by UF. The results showed that this process is a promising alternative to…

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Treatment line of a reverse osmosis system in a waterworks
Abgeschlossen-2023
Concentrates from drinking water treatment (KonTriSol)

How should concentrates from NF/UO processes be handled in future? Is treatment of the concentrates reasonable? How can a discharge into a water body be evaluated? Ten project partners focused on these and other questions within the research project…

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