Development of a risk assessment based technique for design/retrofitting of WWTPs.
Water Sci Technol
; 43(7): 287-94, 2001.
Article
em En
| MEDLINE
| ID: mdl-11385859
ABSTRACT
Up to now, within the design/retrofit of wastewater treatment plants (WWTPs), deterministic models were used to evaluate different scenarios on their merits in terms of effluent compliance. This paper describes an approach in which a Monte Carlo engine is coupled to a deterministic treatment plant model, followed by risk interpretation in the form of concentration-duration-frequency (cdf) curves of norm exceedance. The combination of probabilistic modelling techniques with the currently available deterministic models allows to determine the probability of exceeding the effluent limits of a WWTP. This percentage of exceedance is accompanied by confidence intervals resulting from the inherent uncertainty of influent characteristics and model parameters. The approach is illustrated for a hypothetical case study, consisting of a denitrifying plant model inspired by the benchmark model described by Spanjers et al.
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01-internacional
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1_ASSA2030
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MEDLINE
Assunto principal:
Eliminação de Resíduos Líquidos
Tipo de estudo:
Etiology_studies
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Health_economic_evaluation
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Prognostic_studies
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Risk_factors_studies
Idioma:
En
Revista:
Water Sci Technol
Ano de publicação:
2001
Tipo de documento:
Article