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Two different beakers with water
(decorative): Two beakers of different sizes filled with water, light enters from the side

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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Source of the high-resolution mass spectrometer (Orbitrap Exploris 120)
Analysis
Halogenated disinfection by-products (haDes)

Involving the collaboration of affected water suppliers, analytical and technical conditions are being created to investigate the fate and toxicological relevance of disinfection by-products.

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European beech leaf (Image: Wikipedia)
Analysis
Long term trends for Trifluoracetic acid in terrestrial environmental samples

Emissions of TFA and its precursors have been increasing for years - we also see this trend in plant samples from the German Environmental Specimen Bank.

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The Hasselbach was one of the few unpolluted water bodies in this study
Analysis
Persistent and mobile micropollutants in surface waters of lower saxony

Comprehensive monitoring data for many so-called PMT/vPvM-substances is still scarce. A large-scale surface water monitoring program in Lower Saxony now sheds light on the situation and reveals potential risks.

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Typical salt contents in process waters compared with contents in drinking waters
Abgeschlossen-2024
Recycling of saline waters (RIKovery)

The project consortium pursued the vision of reuse industrial water flows as completely as possible in order to relieve natural water resources. The task of TZW was the development of an online process monitoring for organic trace substances in…

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Schematic structure of the KOLa System (continuous ozonation with slow sand filtration) (left); Effect-related investigation of spiked drinking water from Karlsruhe according to different enrichment methods (right) (Image: TZW und ZV Landeswasserversorgung /L. Betz)
Analysis
Effect-directed analysis and NTS for the evaluation of drinking water production processes

The WBA-NTS-ProTrink project was intended to further develop the approach developed in a previous project of using effect-ditected analysis in combination with chemical analyses to assess organic micropollutants.

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Ca2+ Signalosom (Image: Manfred Frey /STZ Mannheim)
Abgeschlossen-2023
Further development of test methods for endocrine active substances

The aim of the project was to establish a fluorescence-based in vitro assay test system to map rapid non-genomic signaling cascades affected by environmentally relevant endocrine active substances.

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Word clouds on REACH and PMT substances (Image: Michael Neumann/UBA)
Analysis
Substances relevant for drinking water

The German Environment Agency and DVGW-Technologiezentrum Wasser (German Water Centre) have been highly active in determining the drinking water relevance of anthropogenic chemicals based on their intrinsic substance properties or from the data…

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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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Raindrops on coated exterior railings
Analysis
Methods and criteria to assess the eco-toxicity of construction products

Statements on the environmental compatibility of exterior construction products were made via eco-toxicological test systems. TZW conducted supplementary screening analysis for organic compounds in eluates.

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Analysis
Bisphenol A and nonylphenol study

Due to a lack of data, it has not yet been possible to assess whether the introduction of parameter values for BPA and NP will pose a challenge to the drinking water supply in Germany. The goal of this DVGW-funded research project (W 201833) was to…

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Bank filtration as a near-natural treatment process simplifies the use of raw water of otherwise low quality (river water) (Image: Tomáš Malčo Malík/Pexels)
Analysis
Master plan on bank filtration for supplying drinking water in Vietnam (AquaViet)

TZW's work focused on the development and demonstration of a concept for the disinfection of bank filtrate under difficult conditions at two locations on the Cãu River and Red River in the greater Hanoi area. New methods for disinfection were used on…

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Sensor system WATERTRACE in a container at the waste water treatment plant Mannheim
Analysis
Online detection of organic trace substances in the effluent of sewage treatment plants (OnSpur)

The online sensor WATERTRACE was adapted to the matrix of treated wastewater and used to control the process of organic trace substances elimination in the fourth treatment stage. The TZW supported the partners with technical advice and ran…

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