Person: Bannick, Claus Gerhard
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Claus Gerhard
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Veröffentlichung Occurrence of microplastics in the Danube River - a first screening(2021) Asenova, Mina; Bannick, Claus Gerhard; Bednarz, Marius; Kerndorff, Alexander; Obermaier, Nathan; Ricking, MathiasPlastics, and microplastics in particular, are still part of scientific and regulatory discussions. Their inputs from land ultimately end up in the oceans, where they remain for a long time. River systems represent an important path of entry into the oceans. The Danube is the second largest river in Europe and can therefore be an example for the occurrence of plastic in other large river systems. In JDS4 a comprehensive screening of microplastics was carried out over the entire course of the river. Sampling was performed by means of deploying sedimentation boxes into the river for 14 days; followed by thermo-analytical detection (TED-GC/MS) for determination of the total content of various plastic polymers in the collected suspended particulate matter samples. For the first time, a baseline of pollution by microplastics in the Danube River Basin has been established. In all samples almost, all analyzed polymers were detected and quantified, whereas there is no clear trend along the Danube with increasing or decreasing contents. The contents ranged between 0.05 - 22.24, 0.00 - 0.45, 0.00-1.03 and 0.00 3.32 for PE, PP, SBR and PS [(micro)g/mg] SPM, respectively. Quelle: A shared analysis of the Danube River : joint Danube survey 4 ; scientific report / Editors: Igor Liška [and five others]. - Vienna : International Commission for the Protection of the Danube River, 2021. - 1 Onlineresource (562 pages) : Illustrationen. - E-Book; Dateigröße / Dateiumfang: 44,09 MB. - ISBN 978-3-200-07450-7, Seite 487Veröffentlichung Microplastics in the Danube River Basin: a first comprehensive screening with harmonized analytical approach(2022) Braun, Ulrike; Bannick, Claus Gerhard; Bednarz, Marius; Kerndorf, Alexander; Lukas, Marcus; Obermaier, Nathan; Ricking, MathiasIn this study, carried out within the Joint Danube Survey 4, a comprehensive microplastic screening in the water column within a large European river basin from its source to estuary, including major tributaries, was realized. The objective was to develop principles of a systematic and practicable microplastic monitoring strategy using sedimentation boxes for collection of suspended particulate matter followed by its subsequent analysis using thermal extraction desorption-gas chromatography/mass spectrometry. In total, 18 sampling sites in the Danube River Basin were investigated. The obtained suspended particulate matter samples were subdivided into the fractions of >100 mikrom and <100 mikrom and subsequently analyzed for microplastic mass contents. The results showed that microplastics were detected in all samples, with polyethylene being the predominant polymer with maximum contents of 22.24 mikrog/mg, 3.23 mikrog/mg for polystyrene, 1.03 mikrog/mg for styrene-butadiene-rubber, and 0.45 mikrog/mg for polypropylene. Further, polymers such as different sorts of polyester, polyacrylates, polylactide, and natural rubber were not detected or below the detection limit. Additional investigations on possible interference of polyethylene signals by algae-derived fatty acids were assessed. In the context of targeted monitoring, repeated measurements provide more certainty in the interpretation of the results for the individual sites. Nevertheless, it can be stated that the chosen approach using an integrative sampling and determination of total plastic content proved to be successful. © 2022 The AuthorsVeröffentlichung A simple model approach for the desorption of DDT and related compounds from contaminated sediment to plastic polymers(2021) Bannick, Claus Gerhard; Kerndorff, Alexander; Braun, Ulrike; Obermaier, Nathan; Ricking, MathiasVeröffentlichung Widening the European Green Deal's perspective towards a sustainable Europe(Umweltbundesamt, 2021) Neßhöver, Carsten; Bannick, Claus Gerhard; Beckert, Barbara; Claussen, Ulrich; Doyle, Ulrike; Eckermann, Frauke; Frische, Tobias; Haße, Clemens; Günther, Jens; Hollweg, Beate; Huckestein, Burkhard; Janitzek, Timmo; Kabel, Claudia; Jering, Almut; Keßler, Hermann; Klatt, Anne; Knoche, Guido; Köder, Lea; Koller, Matthias; Krause, Bernd; Kreuser, Margarethe; Lindenthal, Alexandra; Löwe, Christian; Manstein, Christopher; Matthey, Astrid; Meurer, Doris; Mohaupt, Volker; Mutert, Tina; Obermaier, Nathan; Pieper, Silvia; Plickert, Sebastian; Rechenberg, Jörg; Reichart, Almut; Rönnefahrt, Ines; Schulte, Christoph; Schweitzer, Christian; Spengler, Laura; Stolzenberg, Hans-Christian; Suhr, Michael; Töpfer, Christoph; Unnerstall, Herwig; Deutschland. UmweltbundesamtThe European Green Deal, published by the European Commission in 2019, represents a new and ambitious approach to put environment and sustainability at the heart of European policy. Its ambitions are high, yet the planned measures might not be sufficient to actually meet them. The report analyzes the European Green Deal from the perspective of the German Environment Agency and places it in the context of the global challenge of achieving the United Nations' sustainable development goals. In addition to necessary measures in the thematic fields of the European Green Deal, the report also addresses the structural adjustments needed as key levers to achieve the desired goals. The report concludes that the European Green Deal is an important step forward, but that further efforts beyond those described there are still needed in order to achieve a sustainable Europe. Quelle: www.umweltbundesamt.deVeröffentlichung Mikroplastik im Wasserkreislauf(Universitätsverlag der TU Berlin, 2020) Jekel, Martin; Anger, Philipp; Bannick, Claus Gerhard; Barthel, Anne-Kathrin; Grummt, Tamara; Kuckelkorn, Jochen; Obermaier, Nathan; Ruhl, Aki Sebastian; Strobel, Claudia; Technische Universität Berlin. Fachgebiet Wasserreinhaltung; Bundesanstalt für Materialforschung und -prüfungDas interdisziplinäre Forschungsprojekt MiWa widmete sich grundlegenden Fragestellungen zur Analytik und Wirkung von Mikroplastik-Partikeln im Wasserkreislauf. Es wurden Methoden der Umweltprobennahme, der Probenaufbereitung und verschiedene Detektionsverfahren zur Charakterisierung und Quantifizierung von Mikroplastik intensiv untersucht, miteinander verglichen und weiterentwickelt. Öko- und humantoxikologische Untersuchungen dienten dem Zweck, die potenziell von Mikroplastik ausgehende Gefährdung für die aquatische Umwelt und den Menschen zu analysieren und zu bewerten. Eine Harmonisierung und Standardisierung von Methoden der Probennahme, Probenaufbereitung und Mikroplastik-Detektion sind trotz der erheblichen Fortschritte derzeit nur teilweise möglich. Die ökotoxikologischen Studien zeigen zwar die Aufnahme von Mikroplastik-Partikeln durch einige Organismen, jedoch konnte bisher keine schädigende Wirkung nachgewiesen werden. Dabei wurden für eine Auswahl aquatischer Modellspezies sowohl Szenarien direkter als auch indirekter Exposition innerhalb einer Nahrungskette betrachtet. Interaktionen mit menschlichen Modellzellen wurden bislang nur bei Mikroplastik-Partikeln mit Größen weit unterhalb von 1 Ìm (also Nanoplastik) beobachtet. Eine umfassende Bewertung ist bislang nicht möglich. Quelle: https://depositonce.tu-berlin.deVeröffentlichung Development and testing of a fractionated filtration for sampling of microplastics in water(2019) Bannick, Claus Gerhard; Obermaier, Nathan; Ricking, Mathias; Schniegler, Sara; Szewzyk, Regine; Barthel, Anne-KathrinA harmonization of sampling, sample preparation and detection is pivotal in order to obtain comparable data on microplastics (MP) in the environment. This paper develops and proposes a suitable sampling concept for waterbodies that considers different plastic specific properties and influencing factors in the environment. Both artificial water including defined MP fractions and the discharge of a wastewater treatment plant were used to verify the derived sampling procedure, sample preparation and the subsequent analysis of MP using thermal extraction-desorption gas chromatography - mass spectrometry (TED-GC-MS). A major finding of this paper is that an application of various particle size classes greatly improves the practical handling of the sampling equipment. Size classes also enable the TED-GC-MS to provide any data on the MP size distribution, a substantial sampling property affecting both the necessary sampling volume and the optimal sampling depth. In the artificial body of water with defined MP fractions, the recovery rates ranged from 80-110%, depending on the different MP types and MP size classes. In the wastewater discharge, we found both polyethylene and polystyrene in different size classes and quantities. © 2018 Elsevier Ltd. All rights reserved.Veröffentlichung Klimaschutz und Abwasserbehandlung(2018) Bannick, Claus Gerhard; Obermaier, Nathan; Purr, Katja; Werlein, Max; Deutschland. Umweltbundesamt. Fachgebiet III.2.6 - Abwassertechnikforschung, AbwasserentsorgungVeröffentlichung Development of a routine screening method for the microplastic mass content in a wastewater treatment plant effluent(2022) Goedecke, Caroline; Eisentraut, Paul; Bannick, Claus Gerhard; Altmann, Korinna; Barthel, Anne-Kathrin; Obermaier, Nathan; Braun, Ulrike; Ricking, MathiasAn investigation of microplastic (MP) occurrence in a municipal wastewater treatment plant (WWTP) effluent with tertiary treatment was carried out. Representative sample volumes of 1 m3 were taken by applying a fractionated filtration method (500, 100, and 50 (micro)m mesh sizes). The detection of MP mass fractions by thermal extraction desorption-gas chromatography/mass spectrometry (TED-GC/MS) was achieved without the previously required additional sample pretreatment for the first time. Different types of quantification methods for the evaluation of TED-GC/MS data were tested, and their accuracy and feasibility have been proven for real samples. Polyethylene, polystyrene, and polypropylene were identified in effluent samples. The polymer mass content varied significantly between 5 and 50 mg m-3. A correlation between the MP load and the quantity of suspended matter in the WWTP effluents, particle size distribution, particle type, and operation day (i.e., weekday, season, and capacity) was not found. It can be concluded that a meaningful assessment of WWTPs requires a comprehensive sampling campaign with varying operation conditions. © 2022 The AuthorsVeröffentlichung Konzeptvorschlag für die Auswahl zu untersuchender Mikroverunreinigungen in kommunalen Abwässern mittels physiko-chemischer Untersuchungsverfahren(2022) Braun, Ulrike; Bannick, Claus Gerhard; Lukas, Marcus; Bachem, Gunnar; Obermaier, Nathan; Ricking, MathiasVeröffentlichung Moving forward: the European Commission's proposal for a Recast Urban Wastewater Treatment Directive(Umweltbundesamt, 2023) Bannick, Claus Gerhard; Flügel, Ines; Braun, Ulrike; Eisenträger, Adolf; Obermaier, Nathan; Osiek, Dirk; Rechenberg, Jörg; Deutschland. UmweltbundesamtThis scientific opinion paper discusses the key topics of the European Commission's Proposal for a Recast Urban Wastewater Treatment Directive. It shows how the proposed changes could affect wastewater treatment in Germany and highlights further refinement needs. In general, the proposal of the revised UWWTD is endorsed. The clear shift from basic wastewater collection and treatment to efficient wastewater management will have a positive influence on various environmental targets. It will also reduce the impact of wastewater treatment on the receiving water bodies as well as the impact of climate change on both, our cities, and the environment. Quelle: www.umweltbundesamt.de