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| Content Provider | Springer Nature Link |
|---|---|
| Author | Brzezińska, Agnieszka Zawilski, Marek Sakson, Grażyna |
| Copyright Year | 2016 |
| Abstract | Cities equipped with combined sewer systems discharge during wet weather a lot of pollutants into receiving waters by combined storm overflows (CSOs). According to the Polish legislation, CSOs should be activated no more than ten times per year, but in Lodz, most of the 18 existing CSOs operate much more frequently. To assess the pollutant load emitted by one of the existing CSOs, the sensors for measuring the concentration of total suspended solids (SOLITAX sc) and dissolved chemical oxygen demand (UVAS plus) installed in the overflow chamber as well as two flowmeters placed in the outflow sewer were used. In order to check the data from sensors, laboratory tests of combined wastewater quality were conducted simultaneously. For the analysis of the total pollutant load emitted from the overflow, the raw data was denoised using the Savitzky-Golay method. Comparing the load calculated from the analytical results to online smoothed measurements, negligible differences were found, which confirms the usefulness of applying the sensors in the combined sewer system. Online monitoring of the quantity and quality of wastewater emitted by the combined sewer overflows to water receivers, provides a considerable amount of data very useful for combined sewerage upgrading based on computer modelling, and allows for a significant reduction of laboratory analysis. |
| Starting Page | 1 |
| Ending Page | 10 |
| Page Count | 10 |
| File Format | |
| ISSN | 01676369 |
| Journal | Environmental Monitoring and Assessment |
| Volume Number | 188 |
| Issue Number | 9 |
| e-ISSN | 15732959 |
| Language | English |
| Publisher | Springer International Publishing |
| Publisher Date | 2016-08-03 |
| Publisher Place | Cham |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Combined sewer overflow Online sensor measurement SOLITAX sc UVAS plus Data smoothing Monitoring/Environmental Analysis Environmental Management Ecotoxicology Atmospheric Protection/Air Quality Control/Air Pollution Ecology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pollution Medicine Management, Monitoring, Policy and Law |
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