| Title |
Pollutants Settling Characteristics of Combined Sewer Overflows in Urban area |
| Authors |
신응배(Eung Bai Shin), 윤현식(Hyun Sik Yoon) |
| Abstract |
Combined sewer overflows (CSOs) have been considered as a major cause of water quality deterioration of water-courses in the vicinity of the heavily urbanized areas. It is important to know exact properties of pollutants contained in CSOs to address water quality impacts that are caused by CSOs inputs to the receiving waters. Recently, research has shown that a settling process is an efficient treatment for the removal of pollutants from CSOs. Therefore, the settling velocity of the pollutants in the CSOs to be treated has an important influence on performance and should be considered in developing design details. Results of settling velocity distributions for diverse pollutant sources (including CSOs, street-runoff, dry-weather flow) are presented with COD_(Cr), SS, TKN, T-P. The observed results in settling characteristics for pollutant sources showed widely different and exponential decay curve was well fitted to settling velocity profiles produced during the test. |