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Continuity-based interfacing of models for wastewater systems described by Petersen matrices

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Author

  • P A Vanrolleghem
  • Christian Rosén
  • U Zaher
  • J Copp
  • L Benedetti
  • E Ayesa
  • Ulf Jeppsson

Summary, in English

In this paper the Petersen and composition matrices that modellers are now familiar with are used as a basis to construct interfacing models between subsystems considered in wastewater treatment. Starting from continuity considerations and a set of transformation reactions between components used in the two models of the subsystems to be interfaced, a set of linear algebraic equations needs to be solved. The theoretical development is illustrated using a simplified integrated model of an activated sludge system coupled to an anaerobic digester. Continuity-guaranteed interfacing of subsystems will facilitate optimization studies of the within-the-fence process units of a wastewater treatment plant or of the integrated urban wastewater system.

Publishing year

2005

Language

English

Pages

493-500

Publication/Series

Water Science and Technology

Volume

52

Issue

1-2

Document type

Journal article

Publisher

IWA Publishing

Topic

  • Other Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • model interfacing
  • elemental balancing
  • mathematical modelling
  • plant-wide modelling
  • sludge digestion

Status

Published

ISBN/ISSN/Other

  • ISSN: 0273-1223