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首页> 外文会议>NATO Advanced Research Workshop on Enhancing Urban Environment: Environmental Upgrading of Municipal Pollution Control Facilities and Restoration of Urban Waters; 20031106-09; Rome(IT) >COMBINED SEWER OVERFLOWS INTO THE CRATI RIVER (COSENZA, ITALY) AND RETENTION STORAGE SIZING
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COMBINED SEWER OVERFLOWS INTO THE CRATI RIVER (COSENZA, ITALY) AND RETENTION STORAGE SIZING

机译：合并的下水道流入克拉蒂河（意大利科森扎），保留蓄水量

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摘要

The paper aims to contribute to the CSO pollution mitigation by retention storage, taking into account the observations carried out in an experimental catchment in Cosenza, Italy. A few observed events allowed simple simulation of pollutant buildup and wash-off, serving to obtain average wet-weather flow pollutant concentrations. Consequently, for 23 observed events, volumes, masses and pollutant concentrations in overflows were computed. Assuming five different sizes of retention storage, from 50 to 250 m~3 /ha, volumes, masses and concentrations of final overflows into the receiving water body were evaluated. A retention capacity in the order of 100-150 m~3/ha reduced overflows to 1 to 3 events per the time period studied. The values of pollutant masses and concentrations in overflows, in relation to the flow and ambient water quality in the receiving water (river), should serve to choose the correct storage size.
机译：本文旨在通过保留存储为减轻CSO污染做出贡献，同时考虑到在意大利科森扎的一个实验流域进行的观察。观察到的一些事件可以简单模拟污染物的积聚和冲刷，从而获得平均的湿天气流污染物浓度。因此，对于23个观察到的事件，计算了溢流中的体积，质量和污染物浓度。假设有五种不同大小的贮水库，从50到250 m〜3 / ha，评估了最终溢流到接收水体中的体积，质量和浓度。在研究的每个时间段内，大约100-150 m〜3 / ha的保留能力将溢出减少到1-3个事件。与接收水（河流）的流量和周围水质有关的溢流中污染物的质量和浓度的值应有助于选择正确的存储大小。

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