Bester, K., Banzhaf, S., Burkhard, M., Janzen, N., Niederstrasser, B. & Scheytt, T. 2011: Removal of biocides from contaminated waste and runoff waters by means of activated soil filter – potential for decentralised water treatment for runoff and wastewaters, Chemosphere, 85, 1233–1240.
Bester, K. & Schäfer, D. 2009: Activated soil filters (biofilters) for the elimination of xenobiotic compounds (micro-pollutants) from storm- and waste waters, Water Research, 43, 2639-2646.
Bester, K. 2005: Fate of Triclosan and Triclosan-Methyl in sewage treatment plants and surface waters, Arch. Environ. Contam. Toxicol., 49, 9-18.
Bollmann, U.E. Vollertsen, J., Carmeliet, J., Bester, K.: Dynamics of biocide emissions from buildings in a suburban stormwater catchment - first flush and continuous emissions, Water Research, 56, 66-76, 2014.
Bollmann, U.E., Tang, C., Eriksson, E., Jönsson , K., Vollertsen, J., and Bester, K.: Biocides in urban waste water treatment plant influent at dry and wet weather: concentrations, mass flows and possible sources, Water Research, 64-74, 2014.
Bollmann, U.E., Ou, Y., Mayer, P., Trapp, S., Bester. K.: Polyacrylate-water partitioning of biocidal compounds: Enhancing the understanding of biocide partitioning between render and water, Chemosphere, 119, 1021-1026, 2015.
Bollmann, UE., Minelgaite, G., Schlüsener, M., Ternes, T., Vollertsen, J. and Bester K.: Leaching of Terbutryn and Its Photodegradation Products from Artificial Walls under Natural Weather Conditions, Environ. Sci. Technol. 50, 4289−4295, 2016.
Burkhardt, M., Zuleeg, S., VomBank, R., Bester, K., Carmeliet, J., Boller, M. & Wangler T. 2012: Leaching of biocides from façades under natural weather condition, Environmental Science and Technology, 46, 10, 5497-5503.
Chen, X., Escola Casas, M., Nielsen, J.L., Wimmer, R., Bester, K.: Identification of Triclosan-O-Sulfate and other transformation products of Triclosan formed by activated sludge, Science of the Total Environment, 505, 39-46, 2015.
Chen, X., Richard, J., Liu, Y., Dopp, E., Türk, J. and Bester, K.: 2012: Ozonation products of triclosan in advanced wastewater treatment, Water Research, 46, 2247-2256.
Chen, X., Nielsen, J.L., Furgal, K., Liu, Y., Lolas, I.B. & Bester, K. 2011: Elimination of Triclosan and formation of methyl-triclosan in activated sludge under aerobic conditions, Chemosphere, 84, 452-456.
Escolà Casas, M., Chetri, R.K., Ooi, G., Hansen, K.M.S., Litty, K., Christenson, M., Kragelund, C., Andersen, H.R., and Bester, K.: Biodegradation of pharmaceuticals in hospital wastewater by a hybrid biofilm and activated sludge system (Hybas), Science of the Total Environment, 530–531 (2015) 383–392.
Escolà Casas, M., Chetri, R.K., Ooi, G., Hansen, K.M.S., Litty, K., Christenson, M., Kragelund, C., Andersen, H.R., and Bester, K.: Biodegradation of pharmaceuticals in hospital wastewater, by staged Moving Bed Biofilm Reactors (MBBR), Water Research, 83, 293-302, 2015.
Escola Casas, M. and Bester, K.: Can those organic micro-pollutants that are recalcitrant in activated sludge treatment be removed from wastewater by biofilm reactors (slow sand filters)? Science of the Total Environment, 506–507, 315-332, 2015.
Escolà Casas, M., Kretschmann, AC., Andernach, L., Opatz, T. and Bester. K.: Separation, isolation and stereochemical assignment of imazalil enantiomers and their quantitation in an in vitro toxicity test, J. Chromatogr. A, 1452, 116-120, 2016.
Frková Z., Badawi N., Johansen A., Schultz-Jensen N., Bester K., Sørensen S.R., Karlson U.G: Degradation of three benzonitrile herbicides by Aminobacter MSH1 and soil microbial communities: pathways and kinetics, Pesticide Management Science, 70, 3697, 2014.
Frková, Z., Johansen, A., Wollesen de Jonge, L. Olsen, P., Karlson, UG., Bester, K.: Degradation and enantiomeric fractionation of mecoprop in soils previously exposed to phenoxy acid herbicides – new insights for remediation, Sci. Total Environ, 569–570, 1457-1465, 2016.
Furgal, K.M., Meyer, R.L., Bester K.: Removing selected steroid hormones, biocides and pharmaceuticals from water by means of biogenic manganese oxide nanoparticles in situ. At ppt levels, Chemosphere, 136 (2015) 321–326.
Hansen, KMS., Spiliotopoulou, A., Kumar Chhetri, R., Escolà Casas, M., Bester, K., Andersen, HR. : Ozonation for source treatment of pharmaceuticals in hospital wastewater Ozonation for source treatment of ozone lifetime and required ozone dose pharmaceuticals in hospital wastewater, Chemical Engineering Journal, 290, 507-514, 2016.
Istenič, D., Arias, C.A., Vollertsen, J., Nielsen, A.H., Wium-Andersen, T., Hvidtved-Jacobsen, T. & Brix, H. 2012: Improved urban stormwater treatment and pollutant removal pathways in amended wet detention ponds. – J. of Environmental Science and Health, Part A: Toxic/Hazardous Substances and Environmental Engineering 47: 1466-1477. Doi:10.1080/10934529.2012.673306.
Istenič, D., Arias, C.A., Matamoros, V., Vollertsen, J. & Brix, H. 2011: Elimination and accumulation of polycyclic aromatic hydrocarbons (PAHs) in urban stormwater wet detention ponds. – Water Science and Technology 64(4): 818-825. DOI: 10.2166/wst.2011.525.
Janzen, N., Dopp, E., Hesse, J., Richards, J., Türk, J., Bester, K: Fragrances in advanced wastewater treatment with ozone, Chemosphere, 85, 1481–1486, 2011.
Jenssen, P.D., Krogstad, T., Paruch, A.M., Mæhlum, T., Adam, K., Arias, C.A., Heistad, A., Jonsson, L., Hellström, D., Brix, H., Yli-Halla, M., Vråle, L. & Valve, M. 2010: Filter bed systems treating domestic wastewater in the Nordic countries - Performance and reuse of filter media. - Ecological Engineering 36(12): 1651-1659. DOI: 10.1016/j.ecoleng.2010.07.004.
Lolas, I.B., Chen, X., Bester, K., Nielsen, J.L.: Identification of triclosan-degrading bacteria using stable isotope probing, fluorescence in situ hybridization and microautoradiography, Microbiology, 158, 2796-2804, 2012.
Lv, T., Zhang, Y., Escola Casas, M., Carvalho, PN., Arias, C.A., Bester, K., Brix H.: Phytoremediation of imazalil and tebuconazole by four emergent wetland plant species in hydroponic medium, Chemosphere, 2016, 148, 459-466.
Matamoros, V., Nguyen, L.X., Arias, C.A., Nielsen, S., Laugen, M.M. & Brix, H. 2012: Musk fragrances, DEHP and heavy metals in a 20 years old sludge treatment reed bed system. – Water Research 46(12): 3889-3896. DOI: 10.1016/j.watres.2012.04.027.
Matamoros, V., Nguyen, X.L., Arias, C., Salvadó, V. & Brix, H. 2012: Occurrence and behavior of emerging contaminants in surface water and a restored wetland. - Chemosphere 88(9): 1083-1089. DOI: 10.1016/j.chemosphere.2012.04.048.
Matamoros, V., Nguyen, X.L., Arias, C., Salvadó, V. & Brix, H. 2012: Evaluation of aquatic plants for removing polar microcontaminants: A microcosm experiment. – Chemosphere 88(10), 1257-1264. DOI: 10.1016/j.chemosphere.2012.04.004.
Matamoros, V. Aria, C., Brix, H. & Bayona, J.M. 2009: Preliminary screening of small-scale domestic wastewater treatment systems for removal of pharmaceutical and personal care products Water Research, 4 3, 5 5 – 6 2.
Matamoros, V. Aria, C., Brix, H. & Bayona, J.M. 2007: Removal of Pharmaceuticals and Personal Care Products (PPCPs) from Urban Wastewater in a Pilot Vertical Flow Constructed Wetland and a Sand Filter, Environ. Sci. Technol., 41, 8171–8177.
Ooi, GTH., Escola Casas, M., Andersen, HR., Bester, K. Transformation products of clindamycin in moving bed biofilm reactor (MBBR) Water Research 113, 139-148, 2017.
Styszko, K., Bollmann, U.E., Wangler, T.P., Bester, K.: Desorption of biocides from renders modified with acrylate and silicone, Chemosphere, 95, 188-192, 2014.
Styszko, K., Ulla Bollmann, U.E., Bester, K.: Leaching of biocides from polymer renders under wet/dry cycles – rates and mechanisms, Chemosphere, 138 (2015) 609–615.
Torresi, E., Escola Casas, M., Polesel, F., Plosz, BG., Christensson, M., Bester, K.: Impact of external carbon dose on the removal of micropollutants using methanol and ethanol in post-denitrifying Moving Bed Biofilm Reactors, Water Research 108, 95-105, 2017.
Torresi, E., Fowler, J., Polesel, F., Bester, K., Andersen, H., Smets, BF., Plosz, B., Christensson, M.: Biofilm thickness influences biodiversity in nitrifying MBBRs – Implications on micropollutant removal, Environmental Science and Technology, 50, 9279–9288, 2016.
Trang, N.T.D., Konnerup, D., Schierup, H.-H., Chiem, N.H., Tuan, L.A. & Brix, H. 2010: Kinetics of pollutant removal from domestic wastewater in a tropical horizontal subsurface flow constructed wetland system: Effects of hydraulic loading rate. – Ecological Engineering 36(4), 527-535. DOI: 10.1016/j.ecoleng.2009.11.022.
Uggetti, E., Ferrer, I., Nielsen, S., Arias, C., Brix, H. & Garcia, J. 2012: Characteristics of biosolids from sludge treatment wetlands for agricultural reuse. – Ecological Engineering 40, 210-216. doi:10.1016/j.ecoleng.2011.12.030.
Wangler, T.P., Zuleeg, S., Vonbank, R., Bester, K., Boller, M., Carmeliet, J. & Burkhardt, M. 2012: Laboratory scale studies of biocide leaching from façade coatings, Building and Environment, 54 168-173.
Wium-Andersen, T., Nielsen, A.H., Hvitved-Jacobsen, T., Kristensen, N.K., Brix, H., Arias, C. & Vollertsen, J. 2012: Sorption media for Stormwater treatment – a laboratory evaluation of five low-cost media for their ability to remove metals and phosphorus from artificial stormwater. - Water Environment Research 84 (7): 605-616. doi:10.2175/106143012X13373550426832.
Ulla E. Bollmann, Katarzyna Styszko, Yi Ou, Philipp Mayer, Stefan Trapp, Jes Vollertsen, and Kai Bester: Biocides from façade coatings in urban surface waters: Estimating the leaching of biocides from render by polyacrylate-water partitioning constants?, 2015, SETAC, Barcelona, Spain
Mònica Escolà Casas, Ravi Kumar Chhetri, Gordon Ooi, Kamilla M. S. Hansen, Klaus Litty, Magnus Christensson, Caroline Kragelund, Henrik R. Andersen and Kai Bester: Biodegradation of pharmaceuticals from hospital wastewater in staged Moving Bed Biofilm Reactors (MBBR), 2015, SETAC, Barcelona, Spain
Maria Sundström, Mònica Escolà Casas, Michael Radke, and Kai Bester: Enantioselective analysis of ibuprofen and its biotransformation products in water/sediment systems, 2015, SETAC, Barcelona, Spain
Michal Urbanczyk, Ulla E. Bollmann, Kai Bester: Partitioning of biocides between water and inorganic phases of render, 2015, SETAC, Barcelona, Spain
U.E. Bollmann, C. Tang, E. Eriksson, K. Jönsson, J. Vollertsen, and K. Bester, iocides in urban waste water treatment plant influent: dry and wet weather concentrations, mass loads and possible sources, 2015, Danish Water Forum, Frederiksberg, Denmark.
Kai Bester, Xijuan Chen, Haitham el-taliawy: Triclosan emissions and transformations through wastewater treatment plants, 2015, Norman workshop on Environmental Monitoring of Biocides In Europe, Berlin, Germany
Z. Frková, A. Johansen, U. G. Karlson, K. Bester: Enantiomeric fractioning, degradation and metabolite formation of Mecoprop in subsoils with a phenoxy acid contamination history, 2015, AquaconSoil, Copenhagen, Denmark
Monica Esola Casa, Tue Kjærgaard Nielsen, Lars Hestbjerg Hansen, Gordon Ooi, Kai Bester: Microbiological and chemical approaches to degradation of mecoprop in a Moving-Bed Biofilm-Reactor, 2015, AquaconSoil, Copenhagen, Denmark
U.E. Bollmann, J. Vollertsen, K. Bester: Assessment on urban soil pollution by biocides from building materials, 2015, AquaconSoil, Copenhagen, Denmark
Margit M. Fernqvist, Ulrich B. Gosewinkel and Kai Bester: Degradation of 3- and 4-ring azaarenes by bacterial isolates from soil, 2014, SETAC, Basel, Switzerland
K. Furgal, R. L. Meyer and K. Bester: Removal of estrone with biogenic manganese oxide nanoparticles, 2014, SETAC, Basel, Switzerland
Z. Frková, A. Johansen, U. Bay Gosewinkel, K. Bester: Enantioselective degradation of mecoprop in subsoil previously exposed to phenoxy-herbicides, 2014, SETAC, Basel, Switzerland
M. Escolà Casas, K. Bester: Degradation of recalcitrant micro-pollutants in designed soil biofilters, 2014, SETAC, Basel, Switzerland
Ulla E. Bollmann, Camilla Tang, Eva Eriksson, Karin Jönsson, and Kai Bester: Biocides in combined sewer systems: dry and wet weather occurrence and sources, 2014, SETAC, Basel, Switzerland
Ulla E. Bollmann, Kai Bester: HPLC-MS/MS with Post-Column pH- Modification, 2014, LC-MS in der Umweltanalytik, Leibzig, Germany
Henrik R. Andersen, Magnus Christensen, Christina Sund, Caroline Kragelund Richter, Eva Bonefeld-Jørgensen, Kai Bester: Staged MBBR optimised for pharmaceutical biodegradation and ozonation of hospital wastewater, 2014, IWA World Water Congress and exchibition, Lisbon, Portugal
M. Escolà Casas, K. Bester: Designed Biofilm Reactors: a way to remove recalcitrant organic micro-pollutants from wastewater? IWA conference on Leading-Edge Technology, 2014, Abu Dhabi, United Arab Emirates
K. Furgal, K. Bester and R. L. Meyer: Biogenic metal oxide nanoparticles in advanced water treatment - Influence of organic matter, IWA conference on Leading-Edge Technology, 2014, Abu Dhabi, United Arab Emirates
U.E. Bollmann, AU, J. Vollertsen, AAU, and K. Bester: Dynamics of biocide emissions from buildings in a suburban stormwater, Danish Water Forum, 30/1/2014, Frederiksberg, Denmark
Mònica Escolà Casas and Kai Bester: Can biofilm reactors (biofilters) remove recalcitrant organic micro-pollutants from wastewater effluents by metabolisation, Danish Water Forum, 30/1/2014, Frederiksberg, Denmark
K. M. Furgal, R.L. Meyer, K. Bester:Micro-pollutants removal from wastewater effluents with biogenic manganese oxide nanoparticles, Danish Water Forum, 30/1/2014, Frederiksberg, Denmark
Z. Frková, A. Johansen, K. Bester, U. Bay Gosewinkel: Can bioaugmentation be an efficient technology to remediate a phenoxy herbicide hot spot? 2014, Dansk Mikrobiologi, Nyborg Strand, Denmark
C. Kragelund, K. Litty, Ravi Chhetri, Sabine Lindholst, Line Søderberg Degn, Kai Bester, C. Sund, H-U. Rasmussen, M. Christensson and H.R. Andersen: Energy efficient treatment of hospital wastewater using staged MBBR, 2014, Dansk Mikrobiologi, Nyborg Strand, Denmark
A. Simon, J. Richard, H. Bielak, A. Boergers, C.vom Eyser, K. Bester, J. Tuerk, E. Dopp: Identification and toxicity evaluation of oxidation by-products of Ciprofloxacin and Triclosan in waste water samples before and after oxidative treatment, Disinfection By products, 2014, Muehlheim, Germany
Thomas Wagner, Ulla E. Bollmann, Kai Bester, Steffen Birk: Thomas Wagner, Ulla E. Bollmann, Kai Bester, Steffen Birk: Different hydraulic residence times in a complex karst aquifer deduced from organic micro-pollutants – the Lurbach system example, European Geosciences Union General Assembly 2013, Vienna, Austria
Styszko K., Bollmann U., Wangler T., Bester K.: Desorption of biocides from renders modified with acrylate and silicone, Euroanalysis XVII, Warzaw, Poland, August 2013
Xijuan Chen, Jeppe Lund Nielsen, Reinhard Wimmer, Thomas Ternes, Michael Schluesener, Kai Bester: Degradation of Triclosan and formation of metabolites in aerobic activated sludge, Micropol and Ecohazard, Zurich, 2013
Jessica Richard, Andrea Börgers, Claudia vom Eyser, Xijuan Chen, Kai Bester, Elke Dopp, Jochen Tuerk: Chemical and biological evaluation of transformation products during advanced oxidation processes, Micropol and Ecohazard, Zurich, 2013
Karolina Furgal, Rikke L. Meyer and Kai Bester: Degradation of pharmaceuticals in wastewater effluents with biogenic metal oxide nanoparticles, Micropol and Ecohazard, Zurich, 2013
Z. Frkova, N. Badawi, N. Schultz-Jensen, K. Bester, S. Sørensen, U. Karlson: Degradation pathways of three benzonitrile herbicides – ioxynil, bromoxynil and dichlobenil – in pure bacterial cultures versus agricultural soil, SETAC, Glasgow, 2013
Yumna Sadef, Tjalfe G. Poulsen, Kai Bester: Homogeneity aspects in analysing micro-pollutants in sludge composting degradation, SETAC, Glasgow, 2013
Ulla E. Bollmann, Thomas Wagner, Steffen Birk, Kai Bester: Source identification of pesticide and biocide contamination in a Karst aquifer, SETAC, Glasgow, 2013
Ulla E. Bollmann, Katarzyna Styszko, Kai Bester: Biocides emissions from renders: Comparison of desorption equilibria and leaching from walls, SETAC, Glasgow, 2013
K. Bester and K. Vorkamp: A two dimensional separation for the enantioselective determination of hexabromocyclododecane (HBCD) from environmental samples, EUCHEMS Prague, 26-31 August 2012
Xijuan Chen, Jochen Tuerk, Elke Dopp, Kai Bester: Ozonation products of Triclosan formed in advanced waste water treatment, EUCHEMS Prague, 26-31 August 2012
Ulla E. Bollmann, Jan Carmeliet, Jes Vollertsen, Timothy Wangler, Kai Bester: Biocides from façade coatings in storm water in a residential catchment area, SETAC, 2012, Berlin
Ulla E. Bollmann, Michael Burkhardt, Janos Bode, Jes Vollertsen and Kai Bester: Biocide emissions into urban waters – a comparison between two suburban catchments, Micropol and Ecohazard, Zurich, 2013
Ulla E. Bollmann, Jan Carmeliet, Jes Vollertsen, Timothy Wangler, Kai Bester: Dynamics of biocide and biocide metabolite concentrations in storm water in a residential catchment area, EUCHEMS Prague, 26-31 August 2012
Xijuan Chen, Jeppe Lund Nielsen, Kai Bester: Aerobic degradation of Triclosan in activated sludge -methylation and other processes, EUCHEMS Prague, 26-31 August 2012
Jochen Tuerk, Claudia vom Eyser, Andrea Boergers, Jessica Richard, Elke Dopp, Marco Wolff, Niklas Janzen, Kai Bester,: Chemical and toxicological evaluation of by-products during oxidative tratment of waste water treatment plant effluents, IOA3-IUVA- ozone and UV leading edge technologies, May 23-27, 2011 Paris