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Simulation and Calibration of the Mathematical Model Asm1 for the Municipal Wastewater Treatment Plant of Cluj-Napoca Using WEST+

Author(s): Daraban Romina-Gabriela; Cristea Vasile-Mircea

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Keywords: WWTP; ASM1; WEST+; Calibration

Abstract: This study aimed to both build the simulator based on the mathematical model ASM1 for the municipal wastewater treatment plant Cluj-Napoca and to calibrate it using the data collected from the municipal wastewater treatment facility. The simulation tool was WEST+ which has been specifically tailored in order to perform dynamic modeling of wastewater treatment processes. Furthermore, several parameters of the anaerobic, anoxic, aerobic reactors and of the secondary clarifier were selected and dynamically calibrated using real data from the Cluj-Napoca wastewater treatment plant (WWTP). The dynamic calibration is based on three objective functions defined to minimize the mean square difference between the model and the facility’s soluble COD concentration (CODs), total nitrogen concentration (Ntotal) and nitrite and nitrate concentration (NO) in the effluent. Moreover, the simulation behavior achieved in the WEST environment software is compared with the ASM1 model simulation results performed in MATLAB and SIMULINK programming tool.

DOI:

Year: 2024

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