Constructed wetlands (CWs) have proved to be a highly effective measure to reduce the ecological impact of combined sewer overflows (CSOs) on receiving waters. Due to the stochastic nature of the loading regime and the multitude of environmental influences, assessment of the performance of such plants requires detailed mathematical modelling. A multi-component reactive transport module (CW2D) was applied to simulate the flow, transport and degradation processes occurring in a CW for CSO treatment. CW2D was originally developed to simulate the treatment of municipal wastewater in subsurface flow CWs. Loading and operational conditions in CSO treatment differ fundamentally from the conditions occurring for wastewater treatment. Despite these differences, first results from the simulation of lab-scale experiments show, that the model is generally applicable to this type of plant. Modelling of adsorption, degradation processes, and influent fractionation, however, require further research.
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May 01 2005
Simulation of a subsurface vertical flow constructed wetland for CSO treatment Available to Purchase
U. Dittmer;
*Institute of Environmental Engineering, Technical University of Kaiserslautern, Paul-Ehrlich-Strasse, 14-316, D-67663 Kaiserslautern, Germany (E-mail: [email protected])
E-mail: [email protected]
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D. Meyer;
D. Meyer
*Institute of Environmental Engineering, Technical University of Kaiserslautern, Paul-Ehrlich-Strasse, 14-316, D-67663 Kaiserslautern, Germany (E-mail: [email protected])
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G. Langergraber
G. Langergraber
**Institute of Sanitary Engineering and Water Pollution Control, BOKU - University of Natural Resources and Applied Life Sciences, Vienna, Muthgasse 18, A-1190 Vienna, Austria (E-mail: [email protected])
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Water Sci Technol (2005) 51 (9): 225–232.
Citation
U. Dittmer, D. Meyer, G. Langergraber; Simulation of a subsurface vertical flow constructed wetland for CSO treatment. Water Sci Technol 1 May 2005; 51 (9): 225–232. doi: https://doi.org/10.2166/wst.2005.0324
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