Elucidating bacterial regrowth: Effect of disinfection conditions in dark

3 Stefanos Giannakis, Efthymios Darakas, Antoni Escalas-Cañellas, César 4 Pulgarin 5 Laboratory of Environmental Engineering and Planning, Department of Civil Engineering, Aristotle University of 6 Thessaloniki, 54624 Thessaloniki, Greece 7 Laboratory of Control of Environmental Contamination, Institute of Textile Research and Industrial Cooperation of Terrassa 8 (INTEXTER), Universitat Politècnica de Catalunya, Colom 15, 08222 Terrassa, Catalonia, Spain 9 Swiss Federal Institute of Technology, Lausanne, Institute of Chemical Sciences and Engineering, 1015 Lausanne, 10 Switzerland 11 Department of Chemical Engineering & Terrassa School of Engineering, Universitat Politècnica de Catalunya, Colom 1, 12 08222, Terrassa, Catalonia, Spain 13 *Corresponding author: César Pulgarin, Tel: +41216934720; Fax: +41216936161 14 E-mail: [email protected] 15