Field campaign on sediment transport behaviour in a pressure main from pumping station to wastewater treatment plant in Berlin

Water Science and Technology : a Journal of the International Association on Water Pollution Research
M Gunkel, E Pawlowsky-Reusing

Abstract

As part of the project KURAS, the Berliner Wasserbetriebe realized a field campaign in 2015 in order to increase the process knowledge regarding the behaviour of transported sediment in the pressure main leading from the pumpstation to the wastewater treatment plant. The field campaign was conducted because of a lack of knowledge about the general condition of the pressure main due to its bad accessibility and the suspicion of deposits caused by hydraulic underload. The practical evidence of the sediment transport performance of this part of the sewer system, dependent on different load cases, should present a basis for further analysis, for example regarding flushing measures. A positive side-effect of the investigation was the description of the amount of pollutants caused by different weather conditions in combined sewer systems and the alterations of the sewage composition due to biogenic processes during transport. The concept included the parallel sampling of the inflow at the pumpstation and the outflow at the end of the pressure main during different weather conditions. By calculating the inflow to the pressure main, as well as its outflow at different flow conditions, it was possible to draw conclusions in regard to th...Continue Reading

References

Nov 24, 2006·Water Science and Technology : a Journal of the International Association on Water Pollution Research·J L Bertrand-KrajewskiC Gibello
Nov 22, 2012·Water Science and Technology : a Journal of the International Association on Water Pollution Research·B HelmP Krebs

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