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A Novel High-Throughput Drip-Flow System to Study Biofilms in Drinking Water Systems

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A Novel High-Throughput Drip-Flow System to Study Biofilms in Drinking Water Systems Downloaded from orbit.dtu.dk on: Oct 05, 2021 A novel high-throughput drip-flow system to study biofilms in drinking water systems Kinnunen, Marta; Palomo, Alejandro; Salimbayeva, Karina ; Dechesne, Arnaud; Albrechtsen, Hans- Jørgen; Smets, Barth F. Published in: Nordic Drinking Water Biofilm Symposium Abstract Book Keynotes, Speakers & Posters Publication date: 2019 Document Version Publisher's PDF, also known as Version of record Link back to DTU Orbit Citation (APA): Kinnunen, M., Palomo, A., Salimbayeva, K., Dechesne, A., Albrechtsen, H-J., & Smets, B. F. (2019). A novel high-throughput drip-flow system to study biofilms in drinking water systems. In Nordic Drinking Water Biofilm Symposium Abstract Book Keynotes, Speakers & Posters (pp. 44-44). General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. Users may download and print one copy of any publication from the public portal for the purpose of private study or research. You may not further distribute the material or use it for any profit-making activity or commercial gain You may freely distribute the URL identifying the publication in the public portal If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Bring ideas to life NDWBS 2019 Final Program & Abstracts NDWBS 2019 Nordic Drinking Water Biofilm Symposium April 25-26, 2019 VIA University College, Horsens, Denmark Nordic Drinking Water Biofilm Symposium Abstract Book Keynotes, Speakers & Posters Editors: Torben Lund Skovhus Inês L. Breda & Catherine J. Paul All rights of this document belong to the NDWBS. This document can be cited if both the names and webpage (https://english.ida.dk/event/nordic-drinking-water-bio-film-symposium-329513/) are mentioned, and only for non-profit purposes. 1 Table of contents Organizers, Partners and Sponsors 3 Welcome message 5 Program 6 Abstracts Keynote speakers 9 Invited speakers 12 Poster presentations 32 Conference attendees 52 2 Symposium organizers Symposium partners 3 Symposium sponsors 4 Welcome message from the Chairs Welcome everyone to the 1st Nordic Drinking Water Biofilm Symposium. We hope you will enjoy the interesting talks, a slightly new and reworked idea for the poster session, and of course the many social and networking opportunities we have worked in to the program. This meeting began as an idea in a far-too-short poster session at another Nordic Drinking Water meeting. The people in attendance, many who are here for this meeting, just didn’t want to stop discussing all the exciting things happening in this part of the world in drinking water biofilm research. We have had to wait, but we will now finally have our chance over two whole days of being together. The aim of this meeting is to bring industry and academia (and everyone in between) into one place to discuss the latest findings on biofilms in drinking water. We have a diverse range of talks and posters because drinking water biofilms are diverse: we will hear about biofilms in household plumbing, distribution systems, in the drinking water treatment plants and maybe even a few other places. The focus has been for those of us living and working with drinking water biofilms in the Nordic countries, but we have been happily surprised to see people coming to this symposium from many other places. We wish you a special welcome and hope you will enjoy your time in this part of the world. We would like to especially thank the many people in the local organizing committee and staff at VIA University College for helping and setting up the symposium. We are also very grateful to our sponsors and exhibitors for contributing to make this an excellent symposium. If you would like to engage in the arrangement of the next NDWBS – please come and discuss this with us during the event. We hope you will all enjoy the symposium and have some great days here in Horsens! Kind regards, Dr Torben Lund Skovhus Dr Catherine Paul VIA University College Lund University DENMARK SWEDEN NDWBS Chairs http://bit.ly/2qwTWmj 5 Program Day 1 – April 25, 2019 8:00 – 10:00 VIA University College, Arrival, registration and Chr. M. Østergaards Vej 4 light welcome breakfast 8700, Horsens, Denmark Auditorium A Networking, setting up posters and getting your name tag 10:00 – 11:00 Welcome by Congress President IWA World Water Congress & Welcome, Introduction Exhibition, Copenhagen 2020 Mr. Anders Bækgaard and the and Keynote Symposium Chairs (15 min) Keynote talk (45 min) Frederik Hammes, Swiss Federal Institute of Aquatic Science and Technology Biofilms in building plumbing: environmental conditions challenge conventional biofilm formation theory 11:00 – 12:00 Loren Ramsay, VIA University College, Denmark Session 1: How to talk Biofilm basics and semantics – promoting seminar success about and study biofilms (3 x 20 minutes; chair Peter Rådström, Lund University, Sweden Torben Skovhus) Pre-PCR processing: a concept to generate PCR- and MPS-compatible samples Tarja Pitkänen, National Institute for Health and Welfare, Finland Tracing active microbes in water systems 12:00 – 13:00 LUNCH 13:00-14:00 Anke Stüken Norwegian Institute of Public Health, Oslo, Norway Session 2: Water quality Microbial community composition of shower-hose biofilms treated and biofilm dynamics with or without copper-silver-ionization (3 x 20 minutes; chair Catherine Paul) Wim Hijnen, Evides, Rotterdam, Netherlands Effects of easily and slowly biodegradable organic compounds on planktonic and benthic (biofilm) microbial activity during different phases of drinking water systems Caroline Schleich Vatten och Miljö I Väst (VIVAB) Varberg, Sweden Applying flow cytometry as a monitoring tool for biofilm in a full- scale drinking water distribution system following installation of a hybrid ultrafiltration process 14:00 -14:30 FIKA/refreshment break 6 14:30 – 15:30 Submitted abstracts with Q&A of the presenting author for Poster introductions introduction. 15:30 – 17:00 Poster Reception 17:15 Group departs from conference location to walk to conference dinner 18:00 - Reception, dinner and socializing at FÆNGSLET (The Prison) Conference dinner and networking Day 2 – April 26, 2019 8:00- 9:00 Arrival and coffee 9:00 – 10:00 Recap from yesterday by the the Symposium Chairs (15 minutes) Good morning and Keynote Keynote talk (45 minutes) Isabel Douterelo The University of Sheffield, United Kingdom Understanding biofilms to inform management of drinking water distribution systems 10:00 – 11:00 Kristian Hansen, Aarhus Water, Denmark Session 4: Biofilms in the Biofilms in newly established water pipes. Planned operations, do we distribution system always fail? (3 x 20 minutes; chair: Catherine Paul) Torben Lund Skovhus, VIA University College, Denmark The role of biofilms during commissioning of new drinking water PE pipes in Aarhus, Denmark Michael Besmer, onCyt, Switzerland. Monitoring Interactions Between Biofilms and Bulk Water with Fully Automated Online Flow Cytometry 11:00 – 11:20 Mini FIKA/refreshment break 11:20 – 12:40 Ines Breda, Skanderborg Forsyning, Denmark Session 5: Biofilms in Manganese removal processes in drinking water biofilters – from filters virgin to matured filters (4 x 20 minutes; chair: Torben Skovhus) Jane Fowler, Danish Technical University, Denmark Extended functionality of microbial communities in rapid sand filters – inference from community and metagenomic analysis Sandy Chan, Sydvatten AB, Malmö, Sweden The biofilm community in full-scale slow sand filters and how they can impact the effluent water microbiome Sanin Musovic, Danish Technological Institute, Denmark Engineering Biofilms in drinking water sand filters: Can we manipulate biofilm in sand filters toward a desirable feature? 7 12:40 – 13:00 Wrap up and final comments from organizers; group photo 13:00 – 13:45 LUNCH Social/technical Field trip: “From groundwater to beer” A bus will take us to networking field trip Truelsbjerg Waterworks for a tour and we will after that go to a local micro-brewery for sampling and tasting. There will be a drop off in 14:00 – approx. 19:00 Aarhus Central station at approx. 18.00 and we will be back in Horsens at 19:00. The trip is included in the delegate fee. Students can attend if seats permit, as we have limited seats for the trip. 8 Abstracts: Keynote speakers 9 Biofilms in building plumbing: environmental conditions challenge conventional biofilm formation theory Frederik Hammes, Lisa Neu, Laura Cossu, Dominic Caviezel, Franziska Böni Eawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland Complex microbial biofilms assemble in drinking water plumbing systems and consequently affect the microbial quality of the water. Here, biofilm assembly is predominantly governed by the ecological processes of dispersal and selection. We propose that the varying environmental conditions in different sections of the built environment is a key driver of selection during biofilm assembly, resulting in spatially heterogenous biofilms. The main selective factors in this context include flow rate, stagnation times, water temperature, and available organic and inorganic nutrients. While these selective factors are especially important on a large scale, we propose that prevailing conditions on a small scale could allow us to better understand and subsequently manipulate biofilm formation. This presentation will revisit some of the basic concepts of biofilm formation and development, focussing on drinking water biofilms that assemble on synthetic polymeric materials. We assess the role of continuous carbon migration from the material, relative to aperiodic inorganic nutrient supply from the water as a result of stagnation and flushing. Furthermore, the influence on biofilm thickness, microbial community composition and the presence of opportunistic pathogens will be discussed. Finally, some mitigating strategies for managing microbial communities in plumbing systems will be considered.
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