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Data Collection to Support a Simplified Bacterial Regrowth Model for Distribution Systems
| 题名： | Data Collection to Support a Simplified Bacterial Regrowth Model for Distribution Systems |
| 作者： | DiGiano, F. A.; Zhang, W.; Francisco, D. E.; Wood, M. |
| 关键词： | Bacteria; Water distribution; Distribution systems; Models; Water pipes; Microorganisms; Water treatment plants; Disinfectants; Chlorination; Water quality; Water sampling; Effectiveness; Tracer studies; Organic carbon; Data collection; Calibration; Analytical methods; Drinking water; Coliform |
| 摘要： | The main objectives of this research were to: (1) collect field measurements of bacterial regrowth over a 12-month study (September 1998-August 1999) in the Durham and Raleigh distribution systems to add to the data base from our previous 17-month study of the same systems and (2) initiate development of a deterministic model of bacterial regrowth that will eventually be linked with components that account for uncertainty in parameter estimates to yield a more realistic model. Heterotrophic plate count (HPC) by the R2A agar method, total coliforms, biodegradable dissolved organic carbon (BDOC), chlorine residual (in Durham), combined chlorine (in Raleigh), disinfectant demand, disinfectant decay rates, total organic carbon (TOC) and temperature were measured monthly in the finished water and 10 stations in each distribution system. A tracer study was conducted in Durham to measure mean water residence time. |
| 总页数： | 106p |
| 报告类型： | 科技报告 |
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