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Model study of short-term dynamics of secondary treatment reed beds at Saxby (Leicestershire, UK)

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Abstract
Relatively simple black-box models, such as the well-known k-C* model, are commonly applied to design horizontal sub-surface flow constructed treatment wetlands. Important shortcomings of this model are the oversimplification of reality on the one hand, and the inability to predict short-term effluent dynamics on the other. A possible solution for these drawbacks could be the application of dynamic compartmental models. This article reports on the calibration requirements and the simulation results of such a dynamic model. A quantitative sensitivity analysis was used to identify the most sensitive parameters after which model predictions were optimized by adjusting those parameter values. Model fits were acceptable but missed some of the short-term dynamics observed in reality. At this point, it might therefore still be unwise to use the model as a design tool. Further model adjustments and calibration efforts are needed to enhance its reliability.
Keywords
wastewater, dynamic compartmental models, constructed treatment wetlands, NITROGEN, calibration, CONSTRUCTED TREATMENT WETLANDS

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Chicago
Rousseau, Diederik, Paul Griffin, Peter A Vanrolleghem, and Niels De Pauw. 2005. “Model Study of Short-term Dynamics of Secondary Treatment Reed Beds at Saxby (Leicestershire, UK).” Journal of Environmental Science and Health Part A-toxic/hazardous Substances & Environmental Engineering 40 (6-7): 1479–1492.
APA
Rousseau, Diederik, Griffin, P., Vanrolleghem, P. A., & De Pauw, N. (2005). Model study of short-term dynamics of secondary treatment reed beds at Saxby (Leicestershire, UK). JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING, 40(6-7), 1479–1492. Presented at the International conference on Constructed and Riverine Wetlands for Optimal Control of Wastewater at Catchment Scale.
Vancouver
1.
Rousseau D, Griffin P, Vanrolleghem PA, De Pauw N. Model study of short-term dynamics of secondary treatment reed beds at Saxby (Leicestershire, UK). JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING. 2005;40(6-7):1479–92.
MLA
Rousseau, Diederik, Paul Griffin, Peter A Vanrolleghem, et al. “Model Study of Short-term Dynamics of Secondary Treatment Reed Beds at Saxby (Leicestershire, UK).” JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 40.6-7 (2005): 1479–1492. Print.
@article{350169,
  abstract     = {Relatively simple black-box models, such as the well-known k-C* model, are commonly applied to design horizontal sub-surface flow constructed treatment wetlands. Important shortcomings of this model are the oversimplification of reality on the one hand, and the inability to predict short-term effluent dynamics on the other. A possible solution for these drawbacks could be the application of dynamic compartmental models. This article reports on the calibration requirements and the simulation results of such a dynamic model. A quantitative sensitivity analysis was used to identify the most sensitive parameters after which model predictions were optimized by adjusting those parameter values. Model fits were acceptable but missed some of the short-term dynamics observed in reality. At this point, it might therefore still be unwise to use the model as a design tool. Further model adjustments and calibration efforts are needed to enhance its reliability.},
  author       = {Rousseau, Diederik and Griffin, Paul and Vanrolleghem, Peter A and De Pauw, Niels},
  issn         = {1093-4529},
  journal      = {JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES \& ENVIRONMENTAL ENGINEERING},
  language     = {eng},
  location     = {Tartu, Estonia},
  number       = {6-7},
  pages        = {1479--1492},
  title        = {Model study of short-term dynamics of secondary treatment reed beds at Saxby (Leicestershire, UK)},
  url          = {http://dx.doi.org/10.1081/ESE-200055895},
  volume       = {40},
  year         = {2005},
}

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