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WWTP dynamic disturbance modelling - an essential module for long-term benchmarking development

Författare:
Publiceringsår: 2006
Språk: Engelska
Sidor: 225-234
Publikation/Tidskrift/Serie: Water Science & Technology
Volym: 53
Nummer: 4-5
Dokumenttyp: Artikel
Förlag: IWA Publishing Ltd

Sammanfattning

Intensive use of the benchmark simulation model No. 1 (BSM1), a protocol for objective comparison of the effectiveness of control strategies in biological nitrogen removal activated sludge plants, has also revealed a number of limitations. Preliminary definitions of the long-term benchmark simulation model No. 1 (BSM1_LT) and the benchmark simulation model No. 2 (BSM2) have been made to extend BSM1 for evaluation of process monitoring methods and plant-wide control strategies, respectively. Influent-related disturbances for BSM1_LT/BSM2 are to be generated with a model, and this paper provides a general overview of the modelling methods used. Typical influent dynamic phenomena generated with the BSM1_LT/BSM2 influent disturbance model, including diurnal, weekend, seasonal and holiday effects, as well as rainfall, are illustrated with simulation results. As a result of the work described in this paper, a proposed influent model/file has been released to the benchmark developers for evaluation purposes. Pending this evaluation, a final BSM1_LT/BSM2 influent disturbance model definition is foreseen. Preliminary simulations with dynamic influent data generated by the influent disturbance model indicate that default BSM1 activated sludge plant control strategies will need extensions for BSM1_LT/BSM2 to efficiently handle 1 year of influent dynamics.

Disputation

Nyckelord

  • Technology and Engineering
  • BSM2
  • modelling
  • disturbances
  • activated sludge
  • BSM1_LT
  • BSM1
  • benchmark

Övriga

Published
Yes
  • ISSN: 0273-1223

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