Trace Compounds in the Environment

A broad range of compounds is introduced into the environment due to the modern human lifestyle, some of which show high biological activity. These organic trace compounds (TOrCs) contain classes of (crude-)oil, pesticides, and
industrial chemicals, as well as household chemicals and pharmaceuticals (painkillers, antibiotics, x-ray contrast media, etc.). Though normally only traces (< μg/L) of these compounds are found in the environment, the high biological activity of the compounds could lead to harmful effects on humans and other organisms.


Hence, the focus of this research group is to develop new methods to detect TOrCs in the environment, as well as detecting the alteration of TOrCs by natural and oxidative processes. The main interest here is the evaluation of water treatment processes and the determination of the condition of the aquatic environment.


An outline of the aims of the working group:
- Broadening of the target screening for the monitoring of TOrCs in (waste-) water treatment
- Elucidate natural and oxidative degradation processes and identify the resulting degradation products
- Develop new methods to determine sorption behavior of TOrCs onto microplastic particles
- Validation of a sample preparation method for the assessment of microplastic in the environment
- Establishing a target method for perfluorinated alkyl substances (PFAS) in water treatment systems.

Latest Publicationen

  • Al-Azzawi, Mohammed S.M.; Kunaschk, Marco; Mraz, Kristina; Freier, Korbinian P.; Knoop, Oliver; Drewes, Jörg E.: Digest, stain and bleach: Three steps to achieving rapid microplastic fluorescence analysis in wastewater samples. Science of The Total Environment 863, 2023, 160947 more…
  • Zhu, Panfeng; Knoop, Oliver; Helmreich, Brigitte: Interaction of heavy metals and biocide/herbicide from stormwater runoff of buildings with dissolved organic matter. Science of The Total Environment 814, 2022, 152599 more…
  • Reichel, Julia; Graßmann, Johanna; Knoop, Oliver; Letzel, Thomas; Drewes, Jörg E.: A Novel Analytical Approach to Assessing Sorption of Trace Organic Compounds into Micro- and Nanoplastic Particles. Biomolecules 12 (7), 2022, 953 more…
  • Reichel, Julia; Graßmann, Johanna; Knoop, Oliver; Letzel, Thomas; Drewes, Jörg E.: A Novel Analytical Approach to Assessing Sorption of Trace Organic Compounds into Micro- and Nanoplastic Particles. Biomolecules 12 (7), 2022, 953 more…
  • Helmreich, B., Schneider, F., Grotehusmann, D., Hüpperling, R., Kaiser, M., Kasting, U., Kirsten, T., Nickel, D., Pfeifer, R., Anselm,J., Borchert, G., Benecke, H., Bürger, M., Kocher, B. Kolks, I., Maurer, W., Müller, M. Roth, J., Tatzber, J.: Diskussion qualitativer Anforderungen für die Versickerung von Niederschlagswasser. Korrespondenz Abwasser Abfall, 2022 more…
  • Karakurt-Fischer, Sema; Rien, Christian; Sanz-Prat, Alicia; Szewzyk, Regine; Hübner, Uwe; Drewes, Jörg E.; Selinka, Hans-Christoph: Fate and Transport of Viruses within a High-Rate Plug-Flow Biofilter Designed for Non-Membrane-Based Indirect Potable Reuse Applications. ACS ES&amp;T Water 1 (5), 2021, 1229-1239 more…
  • Reichel, Julia; Graßmann, Johanna; Knoop, Oliver; Drewes, Jörg E.; Letzel, Thomas: Organic Contaminants and Interactions with Micro- and Nano-Plastics in the Aqueous Environment: Review of Analytical Methods. Molecules 26 (4), 2021, 1164 more…
  • Helmreich, B., Müller, J.: Die öffentliche Kanalisation in Bayern – Zustand und Investitionsbedarf. Mitgliederrundbrief. DWA-Landesverband Bayern (44, 2), 2021, 20-22 more…
  • Knoop, O.; Schwaferts, C.; Al-Azzawi M.S.M.; Kunaschk, M.; Funck, M.; Türk, J.; Meier, F.; Elsner, M.; Ivleva, I.P.; Drewes, J.E.: Analytik von Mikro- und Submikropartikeln aus Wasserproben: Status Quo und Ausblick. Korrespondenz Wasserwirtschaft 14 (3), 2021 more…
  • Funck, Matin; Al-Azzawi, Mohammed M.S.; Yildirim, Aylin; Knoop, Oliver; Schmidt, Torsten C.; Drewes, Jörg E.; Tuerk, Jochen: Release of microplastic particles to the aquatic environment via wastewater treatment plants: The impact of sand filters as tertiary treatment. Chemical Engineering Journal, 2021, 130933 more…
  • Knoop, O.; Drewes, J.E.: Neue Anforderungen an die Trinkwasseraufbereitung durch perfluorierte Verbindungen (PFAS)? In: Berichte aus der Siedlungswasserwirtschaft. , 2021 more…
  • Helmreich, B.; Müller, J.: Neue Ergebnisse zum Zustand der Kanalisation in Bayern. DWA-Landesverbandstagung Bayern, Wasserwirtschaft im Blickpunkt – Daseinsvorsorge in Zeiten des Wandels, Weiden. 5.-6. October 2021, online, 2021 more…
  • Schwaller, C., Drewes, J.E., Ahmadi, J., Scheyer, N., Heller, H., Gerdes, H., Gebhardt, J., Kirchner, S., Baumann, L., Müller, M., Zumkeller, F., Kebinger, B: Nutzwasser – Water reclamation for agricultural and urban reuse. Blue Planet Berlin Water Dialogues. 25. November 2021 (online), 2021 more…
  • Wahman, Rofida; Graßmann, Johanna; Sauvêtre, Andrés; Schröder, Peter; Letzel, Thomas: Lemna minor studies under various storage periods using extended-polarity extraction and metabolite non-target screening analysis. Journal of Pharmaceutical and Biomedical Analysis 188, 2020, 113362 more…
  • Heim, Carolin; Rajab, Mohamad; Greco, Giorgia; Grosse, Sylvia; Drewes, Jörg E.; Letzel, Thomas; Helmreich, Brigitte: Fate of Diclofenac and Its Transformation and Inorganic By-Products in Different Water Matrices during Electrochemical Advanced Oxidation Process Using a Boron-Doped Diamond Electrode. Water 12 (6), 2020, 1686 more…
  • Reichel, Julia; Graßmann, Johanna; Letzel, Thomas; Drewes, Jörg E.: Systematic Development of a Simultaneous Determination of Plastic Particle Identity and Adsorbed Organic Compounds by Thermodesorption–Pyrolysis GC/MS (TD-Pyr-GC/MS). Molecules 25 (21), 2020, 4985 more…
  • Al-Azzawi, Mohammed S. M.; Kefer, Simone; Weißer, Jana; Reichel, Julia; Schwaller, Christoph; Glas, Karl; Knoop, Oliver; Drewes, Jörg E.: Validation of Sample Preparation Methods for Microplastic Analysis in Wastewater Matrices—Reproducibility and Standardization. Water 12 (9), 2020, 2445 more…
  • Karakurt-Fischer, Sema; Sanz-Prat, Alicia; Greskowiak, Janek; Ergh, Martin; Gerdes, Heiko; Massmann, Gudrun; Ederer, Jürgen; Regnery, Julia; Hübner, Uwe; Drewes, Jörg E.: Developing a novel biofiltration treatment system by coupling high-rate infiltration trench technology with a plug-flow porous-media bioreactor. Science of The Total Environment 722, 2020, 137890 more…
  • Karakurt-Fischer, Sema; Bein, Emil; Drewes, Jörg E.; Hübner, Uwe: Characterizing a novel in-situ oxygen delivery device for establishing controlled redox zonation within a high infiltration rate sequential biofilter. Water Research 182, 2020, 116039 more…
  • Al-Azzawi, Mohammed S. M.; Kefer, Simone; Weißer, Jana; Reichel, Julia; Schwaller, Christoph; Glas, Karl; Knoop, Oliver; Drewes, Jörg E.: Validation of Sample Preparation Methods for Microplastic Analysis in Wastewater Matrices—Reproducibility and Standardization. Water 12 (9), 2020, 2445 more…
  • Letzel, Thomas: Massenspektrometrisches Non-Target Screening - Open Access Strategien in Ausbildung, Auswertung und digitaler Datennutzung. chrom+food FORUM, 2019 more…
  • Heim, C., Rajab, M., Helmreich, B., Drewes, J.E., Letzel, T.: Desinfektionsverfahren mit Diamantelektroden. Brauwelt, 2019 more…
  • Letzel, Thomas: Analytics+ - Eine Open-access-E-Learning-Plattform für die instrumentelle Analytik. Mitteilungsblatt, 2019 more…
  • Rofida Wahman, Johanna Grassmann, Peter Schröder, and Thomas Letzel: Plant Metabolomic Workflows Using Reversed-Phase LC and HILIC with ESI-TOF-MS. LCGC North America 37 (3), 2019, 8-15 more…
  • Müller, Johann; Levai, Silvia; Titzschkau, Leonardo; Popović, Nikolina; Carevic, Dragan; Drewes, Jörg E.; Hübner, Uwe: Role of reduced empty bed contact times and pre-treatment by coagulation with Fe(III) salts on the removal of trace organic compounds during sequential biofiltration. Science of The Total Environment 685, 2019, 220-228 more…
  • Müller, Johann; Jewell, Kevin S.; Schulz, Manoj; Hermes, Nina; Ternes, Thomas A.; Drewes, Jörg E.; Hübner, Uwe: Capturing the oxic transformation of iopromide – A useful tool for an improved characterization of predominant redox conditions and the removal of trace organic compounds in biofiltration systems? Water Research 152, 2019, 274-284 more…
  • Müller, Johann; Drewes, Jörg E.; Hübner, Uwe: Investigating synergies in sequential biofiltration-based hybrid systems for the enhanced removal of trace organic chemicals from wastewater treatment plant effluents. Environmental Science: Water Research & Technology 5 (8), 2019, 1423-1435 more…
  • Karakurt, Sema; Schmid, Ludwig; Hübner, Uwe; Drewes, Jörg E.: Dynamics of Wastewater Effluent Contributions in Streams and Impacts on Drinking Water Supply via Riverbank Filtration in Germany—A National Reconnaissance. Environmental Science & Technology 53 (11), 2019, 6154-6161 more…
  • Hübner, U.; Hellauer, K.; Müller, J.; Karakurt, S.; Drewes, J.E.: New water treatment concepts to take advantage of functionally-modified microbial communities for enhanced biotransformation of trace organic chemicals. TransCon 2019, 2019 more…
  • Karakurt, S.; Schmidt, L.; Hübner, U.; Drewes, J.E.: The status of de factor potable water reuse – A national reconnaissance of Germany. 12th IWA International Conference on Water Reclamation and Reuse, 2019 more…
  • Karakurt, S.; Sanz-Prat, A.; Ergh, M.; Rien, C.; Selinka, H.C.; Hübner, U.; Drewes, J.E.: Coupling high-rate infiltration trench technology with a plug-flow bioreactor (SMARTplus) for indirect potable reuse via groundwater recharge. 12th IWA International Conference on Water Reclamation and Reuse, 2019 more…
  • Hübner, U.; Hellauer, K.; Müller, J.; Drewes, J.E.: Development of novel treatment concepts based on sequential biofiltration for indirect potable reuse. 12th IWA International Conference on Water Reclamation and Reuse, 2019 more…
  • Drewes. J.E., Zhiteneva, V., Karakurt, S., Schwaller, C., Hübner, U.: Risk Management in Water Reuse – International Perspectives and Approaches for Germany. Re-Water Braunschweig, 2019 more…
  • Drewes, J.E.; Hellauer, K.; Karakurt, S.; Zhiteneva, V.; Müller, J.; Hübner, U.: Next-generation Managed Aquifer Recharge for Enhanced Trace Organjc Chemical and Pathogen Removal. 16th IWA Leading Edge Technology Conference, 2019 more…
  • Knoop, O.; Lutze, H.V.; Schmidt T.C.: Remaining Effects After the Ozonation of Tamoxifen. Wasser2019, 2019 more…
  • Knoop, O.; Sprafke, A.; Hofmann, M.; Drewes, J.E.: Ozonation of Fluoroquinolone Antibiotics – Transformation Pathways and Genotoxic Effects. 8th Late Summer Workshop: “Chemical and Biological Transformation Processes and Analytical Tools for their Investigation”, 2019 more…
  • Hübner, U.; Müller, J.; Drewes, J.E.: Biologische Verfahrensansätze zur Nachbehandlung auf Kläranlagen. 47. Abwassertechnisches Seminar: Weitergehende Abwasserbehandlung – Anforderungen, Finanzierung und Umsetzung, 2019 more…
  • Drewes, J.E.; Hellauer, K.; Karakurt, S.; Zhiteneva, V.; Müller, J.; Hübner, U.: Next-generation Managed Aquifer Recharge for Enhanced Trace Organjc Chemical and Pathogen Removal. 10th International Symposium on Managed Aquifer Recharge (ISMAR), 2019 more…
  • Knoop, O.: Effektorientierte Analytik – Kombination von RP-HILIC-MS/MS mit genotoxikologischem Monitoring. Anakon 2019, 2019 more…
  • Miklos, D.B.; Wang, W.-L.; Linden, K.G.; Drewes, J.E.; Hübner, U.: Comparison of UV-AOPs (UV/H2O2, UV/PDS and UV/Chlorine) for TOrC removal from municipal wastewater effluent and optical surrogate model evaluation. Chemical Engineering Journal 362, 2019, 537-547 more…