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Data scarcity in modelling and simulation of a large-scale WWTP : stop sign or a challenge
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Borzooei, Sina, Amerlinck, Youri, Abolfathi, Soroush, Panepinto, Deborah, Nopens, Ingmar, Lorenzi, Eugenio, Meucci, Lorenza and Zanetti, Maria Chiara (2019) Data scarcity in modelling and simulation of a large-scale WWTP : stop sign or a challenge. Journal of Water Process Engineering, 28 . pp. 10-20. doi:10.1016/j.jwpe.2018.12.010
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WRAP-data-scarcity-modelling-simulation-large-scale-WWTP-Abolfathi-2019.pdf - Accepted Version Embargoed item. Restricted access to Repository staff only until 2 January 2020. Contact author directly, specifying your specific needs. - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (1699Kb) |
Official URL: https://doi.org/10.1016/j.jwpe.2018.12.010
Abstract
Data scarcity can be considered as the main limitation for a more widespread utilization of mathematical models in the design, optimization and control of biological nutrient removal activated sludge systems (BNRAS). High cost and demanding workload related to experimental data and sufficient sampling campaigns make the data collection process an unpleasant necessity for managing stakeholders in modelling projects. Complicated use of online-sensors leading to frequent erroneous readings and dynamic nature of wastewater treatment processes can intensify the data scarcity problems. This paper investigates the influence of data scarcity on the development and calibration of wastewater treatment plant (WWTP) models. A straightforward methodology is proposed to address the challenges associated with data quality and quantity problems in modelling of a BNRAS in the largest Italian WWTP located in Castiglione, Italy. The plant operational modes, weather condition and sensor performance during the sampling campaigns were the main sources of the data scarcity. Influent, biokinetic, aeration, hydraulic and transport, clarifier, energy consumption and effluent sub-models were calibrated by use of the proposed extensive step-wise calibration process. The Monte Carlo analysis was performed to quantify the uncertainty of the modelling results. The proposed methodology could be implemented in engineering practice to develop and calibrate the WWTP models while it increases the awareness about modelling robustness and its characterized uncertainty to avoid bad modelling practice.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TD Environmental technology. Sanitary engineering | ||||||||
| Divisions: | Faculty of Science > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Sewage -- Purification -- Mathematical models | ||||||||
| Journal or Publication Title: | Journal of Water Process Engineering | ||||||||
| Publisher: | Elsevier | ||||||||
| ISSN: | 2214-7144 | ||||||||
| Official Date: | April 2019 | ||||||||
| Dates: |
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| Date of first compliant deposit: | 4 May 2019 | ||||||||
| Volume: | 28 | ||||||||
| Page Range: | pp. 10-20 | ||||||||
| DOI: | 10.1016/j.jwpe.2018.12.010 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Publisher Statement: | © 2019, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/. | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
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