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Development of a chemical-free water treatment system through integrating fibre filters, ultrasound and UV-C

Congress: 2008
Author(s): Claire Hellio, Eric May, Karen Lebret, Marie Thabart, Richard Armstrong, Romain Manibal, Florian Kretschmer, Attilio Toscano, Giuseppe Cirelli, Caroline Lems, Tjasa Griessler Bulc, Andre van den Bogaert
Claire Hellio (1), Eric May (1), Karen Lebret (1), Marie Thabart (1), Richard Armstrong (1), Romain Manibal (1), Florian Kretschmer (2), Attilio Toscano (3), Giuseppe Cirelli (3), Caroline Lems (4), Tjasa Griessler Bulc (5), Andre van den Bogaert (6), Hel (1) School of Biological Sciences, King Henry Building, University of Portsmouth, Portsmouth PO1 2DY, UK. claire.hellio@port.ac.uk (2) Institute of Sanitary Engineering and Water Pollution Control, BOKU, Austria. (3) University of Catania, Department of Agricultural Engineering, Hydraulics division, Italy. (4) LG- Sound, Gerrit van der Veenstr 75, 2321 CD Leiden, The Netherlands. (5) LIMNOS, Podlimbarskega 31, 1000 Ljubljana, Slovenia. (6) DREMA, Daltonstraat 16 P.O. box. 8113,3301 CC Dordrecht, The Netherlands, (7) TB-HAUER, Brückenstrasse 6, 2100 Korneuburg, Austria,
AbstractThe CHEM-FREE project proposes development of a process control instrument to integrate and optimise three well known physical water treatment devices: fibre filter, ultrasound and UV-C. This is a Cooperative Research Project in the EU 6th Framework Programme's Horizontal Research Activities involving 4 SMEs: LG Sound (The Netherlands), TB Hauer (Austria), Drema (The Netherlands) & Limnos (Slovenia) and 3 Universities: University of Natural Resources and Applied Life Sciences Vienna (BOKU), Institute of Sanitary Engineering and Water Pollution Control (Austria), University of Portsmouth, School of Biological Sciences (UK) and University of Catania, Department of Agricultural Engineering, Hydraulics division (Italy). Both lab-scale and pilot-scale research and validation are performed to combine, arrange and steer efficiency of physical and biological processes. The resulting integrated technology must combine the economic and ecological advantages of all the individual devices to achieve targeted application in specific water qualities without the use of chemicals. Lab-scale experiments regarding removal of algae result in a better understanding of the principal removal mechanisms to decrease the contamination for the applications using a) the individual devices and b) their combinations to determine the optimal operational parameters. Our main results will be presented. The optimal integration and control of fibre filters, ultrasound devices, and UV-C sets will result in chemical-free water treatment enabling ecologically prevention of algae, prevention of biofilm growth on walls, in pipelines, on fittings and in containers and completely new solutions for sensitive water treatment systems where chemicals are an unsatisfying solution like drinking water production from surface waters, groundwater recharge, etc.
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