“Computational Civil Engineering - "Intersections" International Journal

“Computational Civil Engineering 2005”, International SymposiumIaşi, România, May 27, 2005Optimization of Booster Disinfection in Water DistributionSystemsEmanoil Bârsan 1 , Anca Ignat 21 Department of Hydrotechnics Constructions and Sanitary Engineering, Technical University “Gh,Asachi”, B-dul D.Mangeron, nr. 63-65, Iaşi, 700.050, Romania, (E-mail ebarsan@hidro.tuiasi.ro)2 Department of Applied Informatics, University “Al.I.Cuza”, B-dul Carol I. Nr. 11, Iasi, 700506,Romania. (E-mail ignata@uaic.ro)SummaryIn large water distribution networks and with tightening problems the introductionof some re-chlorination stations are a must in order to assure the necessarychlorine for the transported water biostability, with minimum chlorineconsumption.For a given network (configuration, demands etc) it is followed the minimization oftotal chlorine quantity injected in 24 hours for variable demands hour by hour(extended-period to 24 hours).In order to realize the booster disinfection optimization a large number of nodes(but limited at 1/4 from total numbers of nodes )are chosen that may candidate toobtain the disinfection with minimum chlorine consumptions.With a personal program the nodes that assure the minimization of total chlorineinjection in the network are determined.It is presented an example, the findings and conclusions for practicalimplementationKEYWORDS: water supply; distribution network; disinfection; booster stations;optimization.