The influence of stormwater treatment on the hydraulic and pollution load - balance for an entire river basin

被引:2
作者
Bode, H
Weyand, M
机构
[1] Ruhrverband, D-45128 Essen, Germany
[2] Ruhrverband, Reg Dept, D-59821 Arnsberg, Germany
关键词
costs; German requirements; hydraulic load; pollution load; stormwater;
D O I
10.2166/wst.2002.0076
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The installation of about 500 stormwater detention facilities (SDFs) led to a significant drop of the pollution originating from stormwater runoff in the river basin of the Ruhr which covers 4,488 km(2). The German technical directives on the design of SDFs are briefly outlined and the specific costs for such plants are given. The average costs for one kilogram COD held back by SDFs in combined systems amount to 3.73euro (calculated without consideration of the subsequent removal in the municipal wastewater treatment plant (WWTP)). The tank volume for stormwater storage can be minimised by application of real-time management systems which allow a dynamic operation of all SDFs in a catchment area.
引用
收藏
页码:167 / 174
页数:8
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