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Data evaluation of full-scale wastewater treatment plants by mass balance |
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| Authors: | Puig S van Loosdrecht M C M Colprim J Meijer S C F |
| Affiliation: | a Department of Biotechnology, Delft University of Technology, Julianalaan 67, 2628 BC Delft, The Netherlands b Laboratory of Chemical and Environmental Engineering (LEQUIA), Institute of the Environment, University of Girona, Campus Montilivi, Facultat de Ciències, E-17071 Girona, Catalonia, Spain c ASM design, Alexander Numankade 205, 3572KX Utrecht, The Netherlands |
| Abstract: | Measured data of wastewater treatment plants (WWTPs) often contains errors. These errors can prohibit the use of WWTP data for process evaluation, process design, benchmarking or modelling purposes. In this paper a practical stepwise methodology is presented to check WWTP data using mass balances. The presented results show that poor WWTP data quality leads to large errors when calculating key operational conditions such as the solids retention time (SRT), oxygen consumption (OC) and the different internal conversions rates. By improving WWTP data quality using mass balance calculations useful new information becomes available for process evaluation, WWTPs design and benchmarking. |
| Keywords: | Activated sludge Benchmarking Error detection Mass balances Modelling Wastewater treatment plants (WWTPs) |
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