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Biological Stability of Drinking Water Through Treatment Processes and Distribution Systems; Final rept
| 题名： | Biological Stability of Drinking Water Through Treatment Processes and Distribution Systems; Final rept |
| 作者： | Diyamandoglu, V.; Zima, S. V.; Faber, W. W.; Jolis, D. |
| 关键词： | Water treatment; Drinking water; Water quality; Simulation; Parameters; Measurements; Ozonation; Energy |
| 摘要： | The objective of this study were: (1) evaluation of the biostability of drinking water in the distribution system of New York City using the attached growth rate estimate (AGRE) method; (2) evaluation of the effects of selected water treatment processes on the biostability of water using the AGRE method; (3) correlation of biostability with water quality parameters in the water ozonated under various experimental conditions; and (4) simulation of the effects of treatment levels and contact time on the biostability of the Croton water supply using a closed-loop model distribution system. Biostability and drinking water quality parameters such as total organic carbon (TOC), ammonia, nitrite, nitrate, chlorine residual, phosphorous, turbidity, and others were measured biweekly at 10 locations in the New York City water distribution system for a 12-month period. The water treatment process experiments were carried out at the 3-MGD Jerome Park water treatment demonstration plant. The focus was on ozonation and combined application of ozonation/diatomaceous earth filtration (DEF). All process experiments were carried out on prechlorinated Croton water. The simulated distribution system experiments were carried out in a 1000-ft closed loop recirculating system made of PVC pipe and equipped with PVC or cast iron coupons. Croton water at various treatment levels was used as a water source. |
| 总页数： | 106p |
| 报告类型： | 科技报告 |
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