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EFFECTS OF FLOW RATE AND PIPE DIAMETER ON WALL CHLORINE DECAY RATES | ||
| AL-TAQANI | ||
| Article 1, Volume 25, Issue 1, 2012, Pages 0-0 | ||
| Authors | ||
| Risala A. Mohammed; Kifah M. Khudiar | ||
| Abstract | ||
| Wall chlorine decay occurs when chlorine react with the wall material itself and with adhering biofilms. The wall decay constant is mostly a function of pipe characteristics: material, inner coating, age, diameter and presence of attached biomass, therefore wall decay constant (K) is more difficult to determine because it depends on a number of variables. In this study, the continuous flow experiments were performed to determine wall chlorine decay rate and its dependency on water flow rates and pipe diameter. The results show that wall chlorine decay rate can be expressed using first order model and the important parameter which effect on wall decay constant is pipe's material, as flow velocity increases, wall chlorine decay rate increases and as pipe diameter increase, chlorine decay rates decrease. | ||
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